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Pot CoresOpen or Close

As pot cores are one of the oldest core designs. They are available in a wide range of worldwide standardized sizes - according to IEC 62317-2. Originally produced for ﬁlter inductors. pot cores are becoming increasingly popular in power applications. With the introduction of EMC legislation, electromagnetic screening has become a prime concern in core selection. The pot core's shape almost completely encloses the windings and whilst this can be a hindrance for access purpose, it provides excellent screening.

Dimensional Details

Part No.

Core

A
mm

B
mm

C
mm

D
mm

E
mm

F
mm

Effective Parameters
∑l/A mm^-1	le mm	Ae mm²	Ve mm³

Approx
Weight/
Set
gms/
Set

29-290-

PC 7×4

7.35_-0.25

5.8^+0.20

3_-0.1

1.4^+0.05

2.8^+0.2

4.2_-0.1

1.43

0.5

29-350-

PC 9×5

9.3_0.3

7.5^+0.25

3.9_-0.2

2^+0.1

3.6^+0.3

5.4_-0.2

1.25

12.2

9.8

120

0.8

29-400-

PC 11×7

11.3_-0.4

9^+0.4

4.7 _-0.2

2_+0.1

4.4_+0.3

6.6_-0.2

15.9

252

1.7

29-450-

PC 14×8

14.3_-0.5

11.6^+0.4

6_-0.2

3^+0.1

5.6^+0.4

8.5_-0.3

0.8

500

3.2

29-500-

PC 18×11

18.4_-0.8

14.9^+0.5

7.6_-0.3

3^+0.1

7.2^+0.4

10.7_-0.3

0.6

25.9

1120

29-550-

PC 22×13

22_-0.8

17.9^+0.6

9.4_-0.3

4.4^+0.2

9.2^+0.4

13.6_-0.4

0.5

31.5

2000

29-600-

PC 26×16

26_-1

21.2^+0.8

11.5_-0.4

5.4^+0.2

11^+0.4

16.3_-0.4

0.4

37.5

3520

29-620-

PC 30×19

30.5_-1

25^+0.8

13.5_-0.4

5.4^+0.2

13^+0.4

19_-0.4

0.33

136

6120

29-6500-

PC 36×22

36_-1

29.9^+0.8

16.2_-0.4

5.4^+0.2

14.6^+0.4

22^-0.6

0.26

202

10600

29-674-

PC 42×29

42.4_-0.7

36.6^+0.6_-0.1

17.7_-0.6

5.4^+0.2

20.3^+0.6

29.4^+0.2_-0.2

0.259

68.6

265

18200

104

29-675-

PC 47×28

47_-1.3

39^+1.1

20_-0.6

5.5^+0.2

19^+0.6

28_-0.6

0.232

72.5

312

22600

120

29-680-

PC 59×36

59.3_-1.8

49^+1.3

25.5_-0.8

5.5^+0.2

23.6^+0.8

35.6_-0.7

0.181

485

42600

229

29-690-

PC 80×60

78^+2.0

33.5_-1

9^+0.5

43.8⁺¹

60_-1

0.164

154.6

945

145700

783

29-200-

PM 50×39

50_-1.7

39^+1.3

20_-0.6

54^+0.2

26.4^+0.8

39_-0.4

0.227

370

31000

29-2010-

PM 62×4962_-2

65_-2

48.8^+1.5

25.5_-0.8

5.4^+0.2

33.4^+0.8

49_-0.4

0.191

109

570

62000

280

29-2020-

PM 74×59

74_-2.5

57.5^+1.8

29.5_-1

54^+0.3

40.7^+0.8

59_-0.6

0.162

128

790

101000

460

Part No.	Core	F58	P11	F5	F5A	F44	F47	F48	F9	F9C	F10	F39	F16	F44A
29-290-	PC 7×4	-	-	-	-	900/R	-	-	-	-	-	-	-	-
29-350	PC 9×5	560/R	1300/R	-	-	1160/R	-	1400/R	2500/R	2700/R	4000/R	5000Y	-	-
29-400-	PC 11×7	780/R	1600/R	-	1880/R	1580/R	1455/R	1600/R	3500/R	3800/R	-	-	-	-
29-450-	PC 14×8	970/R	2300/R	-	2500/R	2090/R	1875/R	2100/R	4600/R	-	-	9800/Y	130_±25%	2800/R
29-500-	PC 18×11	1300/R	2900/R	2800/R	3075/R	2600/R	2500/R	-	5600/R	6000/R	6450/R	12600Y	-	3600/R
29-550-	PC 22×13	1710/R	3800/R	-	4650/R	3500/R	-	-	6860/R	-	8600/R	16000Y	-	4400/R
29-600-	PC 26×16	-	5200/R	-	6000/R	4650/R	-	-	9000/R	-	12000/R	20000Y	-	5500/R
29-620-	PC 30×19	-	6300/R	6412/R	7500/R	6000/R	-	-	10500/R	-	14500/R	-	-	6400/R
29-6500-	PC 36×22	-	8400/R	-	-	7600/R	-	-	15200/R	-	-	21000Y	-	-
29-674-	PC 42×29	-	9500/R	-	10500/R	-	-	-	16600_±25%	-	-	-	-	-
29-675-	PC 47×28	-	-	10460/R	-	-	-	-	17500/R	-	-	-	-	-
29-680-	PC 59×36	-	12500/R	-	13850/R	-	-	-	-	-	-	-	6500/R	-
29-690-	PC 80×60	-	-	-	-	-	-	-	-	-	-	-	-	-
29-200-	PM 50×39	-	-	7400/R	-	-	-	-	-	-	-	-	-	-
29-2010-	PM 62×49	-	-	9200/R	-	-	-	9200/R	-	-	-	-	-	-
29-2020-	PM 74×59	-	-	10000/R	-	-	-	10000/R	-	-	-	-	-	-

R-+30%, -20%
Y-+40%, -30% All Values mentioned above are for an ungapped pair of cores
Gapped values can be provided on request
Adjusters to suit all the above cores are available on request
All above cores are also available with Solid Center Spigot.
All above cores are available in other materials on request.

4 Slot Pot CoresOpen or Close

MMG India offer a wide range of 4 Slot Pot cores based on the old 'VlNKOR' series. The cores are supplied gapped to an effective permeability range and are adjustable for tuned ﬁlters up to 5MHz. The larger cross-sectional area offered by the 4 Slot range allows for a higher power setting than the conventional 2 Slot version. Also with the advantage of 2 more slots they can be used in applications where 1/2 and 1/4 turns are required. A full range of bobbins and mounting assemblies are also available.

Dimensional Details

Part No.

Core

A
mm

B
mm

C
mm

D
mm

E
mm

F
mm

Effective Parameters
le mm	Ae mm²	Ve mm³

P11

29-1040-

14×9

14_±0.3

4.50_±0.5

11.66_±0.25

6.05_±0.15

3.63^+0.02_-0.03

2.90_±0.10

18.70

25.90

484

29-1080

18×11

18_±0.38

11.20_±0.10

15.17_±0.33

7.94_±0.20

4.56_±0.09

3.70_±0.10

24.70

44.30

1090

3280R

29-1120-

21×14

21_±0.05

13.60_±0.10

18.08_±0.39

9.64_±0.23

4.63_±0.02

4.40_±0.10

30.70

73.20

2220

4290R

29-1160-

25×16

25.4_±0.53

21.5_±0.44

16_±0.10

11.32_±0.27

5.33_±0.13

5.20_±0.10

36.40

99.90

3630

5210R

29-1200-

30×19

39.49_±0.61

18.80_±0.10

24.4_±0.52

13.72_±0.33

5.20_±Min

6.10_±0.10

43.20

153

6590

7270R

29-1240-

35×23

35.5_±0.75

22.8_±0.12

29.31_±0.6

16.2_±0.4

5.2_Min

7.39_±0.1

52.50

223

11700

8690R

29-1280-

45×29

45_±0.92

29.20_±0.10

37.34_±0.79

20.19_±0.49

5.225_±0.10

9.50_±.10

67.00

362

24300

11040R

R+30%, -20% Gapped values can be provided on request
All above cores are also available with Solid Center Spigot.
All above cores are available in other materials on request.

Wide Slot CoresOpen or Close

These cores are used extensively in telecommunications and converter power supply circuits. The wide slot in the lower half of the assembly enables a large number of connections to be brought out. These cores are also referred to as Touch Tone (TT) pot cores as were originally designed for push-button telephone sets.

(CC Cores / Touch tone Cores) Dimensional details & AL Values with tolerance code

Part No.

Core

A
mm

B
mm

C
mm

D
mm

E
mm

F
mm

G
mm

H
mm

Effective Parameters
le mm	Ae mm²	Ve mm³

P11

F44A

F10

F39

29-652-

14×8

13.8^+0.5

11.6^+0.4

5.8^+0.2

3^+0.2

5.6^+0.4

8.5_+0.5

9.4^±0.15

8.65^±0.3

25.3

539

2000R

1800R

1700R

3800R

5000R

7000R

29-632

23×11

22.4^+0.9

18^+0.6

9.5^+0.4

5^+0.2

7.4^+0.4

11^+0.2

15.25^+0.25_-0.25

13.2_-0

31.2

68.8

2144

4375R

4000R

3850R

7200R

10000R

16000R

29-635

23×18

22.4^+0.9

18^+0.6

9.5^+0.4

5^+0.2

14.0^+0.6

18.2^+0.2

15.25^+0.25

13.2_-0

45.1

73.1

3293

2720R

2500R

2400R

5300R

7000R

12000R

29-637

30×19

29.5^+1.0

25^+0.8

13.1^+0.4

5.4^+0.4

13.0^+0.4

19^+0.4

20.2^+0.3_-0.3

18^+0.5_-0.5

46.4

119

5534

5400R

4700R

4500R

8000R

11100R

18500R

R +30%, -20%

RM Cores - RegularOpen or Close

RM cores arose due the demand for the coil formers with integrated pins that allows for efficient winding and high PCB packing densities. Clamps engaging in recesses in the core base hold the cores place, meaning glue is not normally required in this process All the cores adhere to specifications laid down in IEC 62317-4 and in DIN 41980.

RM cores are designated for two main applications:
- Highly stable, extremely low loss filters inductors and other resonance determining inductors (F58,P11)
- Low distortion broadband transmission at low signal modulation (F39,F10,F9)
RM cores also be supplied without the centre hole. These have a higher AL value and cross sectional area and are used for power applications (F47,F44,F5A)

Dimensional Details

Part No.

Core

A
mm

B
mm

C
mm

D
mm

E
mm

F
mm

G
mm

H
mm

Effective Parameters
∑l/A mm^-1	le mm	Ae mm²	Ve mm³

Approx
Weight/Set
gms/Set

29-900-

RM4

11_-0.4

8^+0.3

3.9_-0.2

2^+0.1

7^+0.4

10.5_-0.2

9^+0.25_-0.25

9.8_-0.4

1.9

232

1.45

29-700-

RM5

14.6_-0.6

10.2^+0.4

4.9_-0.2

2^+0.1

6.3^+0.4

10.5_-0.2

9^+0.25_-0.25

12.3_-0.5

20.8

430

2.9

29-730-

RM6

17.9_-0.6

12.4^+0.5

6.4_-0.2

3^+0.1

8^+0.4

12.5_-0.2

10.34^+0.25_-0.25

14.7_-0.6

0.86

26.9

31.3

840

4.9

29-7600-

RM7

20.3_-0.8

14.75^+0.65

7.25_-0.3

3^+0.1

8.5^+0.4

13.5_-0.2

11.3^+0.25_-0.25

17.2_-0.7

0.74

29.8

1200

6.5

29-790-

RM8

23.2_-0.9

17^+0.6

8.55_-0.3

4.4^+0.2

10.8^+0.4

16.5_-0.2

14.3^+0.25_-0.25

19.7_-0.8

0.67

35.50

1850

10.3

29-830-

RM10

28.5_-1.3

21.2^+0.9

10.9_-0.4

5.4^+0.2

12.4^+0.6

18.7_-0.2

16.2^+0.25_-0.25

24.7_-1.1

0.5

3470

29-9xx-

RM12

37.6_-1.5

24.9^+1.1

12.8_-0.4

5.4^+0.2

16.8^+0.6

24.6_-0.2

21.6^+0.25_-0.25

29.8_-1.2

0.39

56.6

146

8340

29-880-

RM14

42.2_-1.2

29⁺¹

15_-0.5

5.4^+0.2

20.8^+0.6

30.2_-0.2

27^+0.25_-0.25

34.8_-1.3

0.35

200

14000

29-950-

17.6^-0.6

12.4^+0.4

6.4_-0.2

3^+0.1

8^+0.4

12.5_-0.2

10.34^+0.25_-0.25

14.7_-0.5

0.8

25.6

820

5.1

Part No.	Core	F58	P11	F5	F5A	F5C	F44	F47	F9	F9C	F10	F39	F44A
29-900-	RM4	-	900R	-	-	-	800R	-	1700R	-	2800R	3700Y	1100R
29-700-	RM5	-	1800R	-	-	2600R	1570R	-	3170R	6000Y	5200R	6700Y	1800R
29-730-	RM6	890R	2000R	2250R	-	3100R	2200R	-	4625R	4270R	6200R	8600Y	2200R
29-7600-	RM7	-	2800R	-	2850R	3400R	2370R	-	4690R	5040R	7000R	10000Y	2700R
29-790-	RM8	1170R	2500R	3000R	4000R	4300R	2906R	-	5700R	5670R	8375R	12500Y	3300R
29-830-	RM10	1600R	3960R	4000R	4490R	3300+60%	3800R	3650R	7600R	8060R	11000R	16000Y	4200R
29-9xx-	RM12	-	-	4400R	8500R	6000R	5000R	4750R	8400R	-	12800R	-	5300R
29-880-	RM14	-	-	-	6600R	6800R	6000R	5400R	9500R	-	-	-	6000R
29-950-	R6	732R	2300R	-	-	-	-	-	4300R	4900R	6000R	8600Y	-

R- +30%, -20%
Y- +40%, -30% All Values mentioned above are for an ungapped pair of cores
Gapped values can be provided on request
Adjusters to suit all the above cores are available on request
All above cores are also available with Solid Center Spigot.
All above cores are available in other materials on request.

RM Cores - Low profileOpen or Close

The increasing miniaturization of electronic circuits and Switched Mode power supplies being integrated into PCB philosophy, low profile components are necessary to overcome height restrictions. In some cases the conventional Windings can be replaced by printed circuit tracks directly onto the PCB.
The RM core's low proﬁle shape and ease of construction give signiﬁcant advantages including, fast error free winding and efﬁcient repeatable performance.

Dimensional Details

Part No.

Core

A
mm

B
mm

C
mm

D
mm

E
mm

F
mm

G
mm

Effective Parameters
∑l/A mm^-1	le mm	Ae mm²	Ve mm³

Approx
Weight/Set
gms/Set

29-210-

RM4 LP

11_-0.4

8^+0.3

3.9_-0.2

4.3^+0.4

7.8_-0.2

6.3^+0.2_-0.2

9.8_-0.4

1.2

17.3

14.5

251

1.2

29-2100-

RM5 LP

14.6_-0.6

10.2^+0.4

4.9_-0.2

3.6^+0.4

7.8_-0.2

6.3^+0.2_-0.2

12.3_-0.5

0.17

17.5

24.5

430

2.6

29-220-

RM6 LP

17.9_-0.6

12.4^+0.5

6.4_-0.2

4.5^+0.4

9_-0.2

6.84^+0.2_-0.2

14.7_-0.6

0.58

21.8

37.5

820

29-230-

RM7 LP

20.3_-0.8

14.75^+0.65

7.25_-0.3

4.7^+0.5

9.8_-0.2

7.8^+0.25_-0.25

17.2_-0.7

0.52

23.5

45.3

1060

5.7

29-240-

RM8 LP

23.2_-0.9

17^+0.6

8.55_-0.3

5.9^+0.4

11.6_-0.2

9.4^+0.25_-0.25

19.7_-0.8

0.44

28.7

64.9

1860

9.2

29-250-

RM10 LP

28.5_-1.3

21.2^+0.9

10.9_-0.4

6.7^+0.4

13.2_-0.2

10.5^+0.25_-0.25

24.7_-1.1

0.34

33.9

99.1

3360

17.2

29-260-

RM12 LP

37.6_-1.5

24.9^+1.1

12.8_-0.4

9^+0.5

16.8_-0.2

13.8^+0.25_-0.25

29.5_-1.2

0.28

147.5

6195

33.6

29-270-

RM14 LP

42.2_-1.2

29⁺¹

15_-0.5

11.1^+0.6

20.5_-0.2

17.3^+0.25_-0.25

34.8_-1.3

0.25

50.9

201

10230

Part No.	Core	F44	F47	F48	F9C	F10	F39	F44A	F45
29-210-	RM4 LP	-	-	-	-	-	5000Y	1200R	-
29-2100-	RM5 LP	-	-	-	-	-	7700Y	2400R	-
29-220-	RM6 LP	2500R	2400R	-	5500R	6600R	10500Y	3000R	2600R
29-230-	RM7 LP	-	-	3120R	-	-	11500Y	3300R	-
29-240-	RM8 LP	3600R	-	-	7050R	-	15000Y	4100R	3750R
29-250-	RM10 LP	4700R	-	-	10500R	-	19500Y	5200R	4900R
29-260-	RM12 LP	6000R	5600R	-	12750R	-	23800Y	6300R	6300R
29-270-	RM14 LP	6710R	6280R	-	16275R	-	26640Y	7100R	7040R

R- +30%, -20%
Y- +40%, -30% All Values mentioned above are for an ungapped pair of cores
Gapped values can be provided on request
Adjusters to suit all the above cores are available on request
All above cores are also available with Solid Center Spigot.
All above cores are available in other materials on request.

EE CoresOpen or Close

EE Cores were one of the first ferrite cores to be manufactured, being derived from their respective iron lamination size. Having rectangular limbs they are relatively easy to manufacture and as such a vast range exists in the marketplace. MMG-India's range reflects a selection of cores that have become, over many years, worldwide standards through continued use. E cores are particularly suitable for power transformers and filters at low frequencies. They are not suitable in high frequency applications as the rectangular centre limb leads to higher leakage inductance and winding resistance. EE cores are available in a range of sizes and materials as per IEC 62317-8

Dimensional Details & AL values with Tolerance Code

Part No.	Core	A mm	B mm	C mm	D mm	E mm	F mm	le mm	Ae mm²	Ve mm³	F5	F9	F5A	F44	F48	F9C	F10
32-200-	EF12.6	12.6^+0.5_-0.4	6.5_-0.2	3.7_-0.3	4.5^+0.3	8.9^+0.6	3.7_-0.3	29.6	13.0	384	-	-	-	760/R	-	-	-
32-040-	E13/6.6/3	12.7_±0.25	6.6_±0.05	3.18_±0.2	5.105_±0.155	9.725_±0.725	3.18_±0.2	31.70	9.68	307	550/R	-	-	-	600/R	-	-
32-370-	E16/8/5	16^+0.7_-0.5	8.2_-0.3	4.7_-0.4	5.7_+0.4	11.3^+0.6	4.7_-0.3	37.6	20.1	754	1000/R	1400/R	-	960R	1100/R	-	-
32-140-	E20/10/5	20^+0.7_-0.4	10.1^+0.1_-0.3	5.3_-0.4	6.5_±0.2	13.1^±0.3	5.00_±0.2	43	31	1330	1500/R	2500/R	-	1390/R	1550/R	-	-
32-180-	EF20/10/6	20.4_-0.8	9.95_±0.15	5.9_-0.4	7^+0.3	14.1^+0.6	5.9_-0.3	44.9	33.5	1500	1300/R	2500/R	-	1300/R	1450/R	-	-
32-160-	E19/8/5	19.3_±0.5	8.085_±0.115	4.75_±0.18	5.75_±0.125	14.5_±0.53	4.75_±0.18	40	22.5	900	-	2160/R	1190/R	970/R	-	2350/R	2650/R
32-190-	E25/13/7	25^+0.8_-0.7	12.8_-0.5	7.5_-0.6	8.7^+0.5	17.5^+0.8	7.5_-0.5	57.5	52.5	3020	1750/R	3100/R	-	1712/R	1900/R	-	-
32-030-	E25/9.5/6	25.4_±0.63	9.53_±0.13	6.27_±0.2	6.49_±0.19	19.56_±0.51	6.27_±0.2	48.70	38.10	1860	2000/R	-	1830/R	1480/R	-	-	4000/R
32-130-	E30/15/7	30^+0.8_-0.6	15.2_-0.4	7.3_-0.5	9.7^+0.5	19.5^+0.8	7.2_-0.5	67	60	4000	1800/R	3300/R	-	1800/R	-	-	-
32-010-	E34/13/8	34.14_±0.86	13.11_±0.1	7.87_±0.18	8.485_±0.205	24.59_±0.63	11.12_±0.25	62.50	77.4	4840	2240/R	4100/R	-	2360/R	-	-	-
32-020-	E41/22/9	41_±1.27	22.28_±0.1	8.78_±0.19	16.715_±0.455	28.58_±0.53	11.76_±0.20	102	105	10600	-	-	-	2000/R	-	-	-
32-110-	E42/21/15	42⁺¹_-0.7	21.2_-0.4	15.2_-0.5	14.8^+0.6	29.5^+1.2	12.2_-0.5	97	181	17600	3500/R	-	-	3500/R	4200/R	-	-
32-120-	E42/21/20	42⁺¹_-0.7	21.2_-0.4	20_-0.6	14.8^+0.6	29.5^+1.2	12.2_-0.5	98	240	23300	4750/R	-	-	4560/R	-	-	-
32-150-	E55/27/21	55^+1.2_-0.9	27.8_-0.6	21_-0.6	18.5^+0.8	37.5^+1.2	17.2_-0.5	120	354	42500	5800/R	10000/R	-	-	6050/R	-	-
32-240-	E65/32/27	65^+1.5_-1.2	32.8_-0.6	26.8^+0.6	22.2^+0.7	44.2^+1.5	20_-0.7	147_-0.0	532	78200	-	-	10250/R	7430/R	7840/R	-	-
32-250-	E70/32/32	70_±1.35	32^+0.5	31.75_±0.33	21.57_±0.17	48.38_±0.75	22.13_±0.35	146.27	691.03	101076	-	-	11125/R	9060/R	11100	-	-

R- +30%, -20%
Y- +40%, -30% All Values mentioned above are for an ungapped pair of cores
Gapped values can be provided on request
All above cores are available in other materials on request.

Planar E CoresOpen or Close

Many new electronics equipment will use switched mode power supplies where the voltage transformation unit is integrated on a circuit card. As cards may be racked with minimal clearances. low profile components are necessary. Planar assemblies differ radically from conventional transformers as wire windings are replaced by stacks or flat spiral laminations. In some cases the winding can be replaced by printing circuit tracks, with the E core inserted through the board. The planar E core's low profile shape and ease of construction offers significant advantages including: Fast error-free winding; excellent heat sinking properties and efficient repeatable performance at low cost. All the cores adhere to specifications laid down in IEC 62317-9

Part No.

Core

A
mm

B
mm

C
mm

D
mm

E
mm

F
mm

G
mm

Effective Parameters
le mm	Ae mm²	Ve mm³

F44

F48

F47

32-9140-

EE14×3.5×5

14_±0.3

3.5_±0.1

4.9_±0.2

11_±0.25

2.9_±0.15

2.05_±0.15

20.70

14.50

300

1100±25%

32/33-9140-

E+l 14

14_±0.3

4.9_±0.2

1.50_±0.05

16.70

14.50

240

1300±25%

32-9180-

EE18×4×10

18_±0.35

4_±0.10

10_±0.2

14_±0.3

3.95_±0.15

2.05_±0.15

24.30

39.50

960

2700±25%

32/33-9140-

E+l 18

18_±0.35

10_±0.2

2.0_±0.1

20.30

39.50

800

2900/R

3100±25%

32-9210-

EE22×5.7×15.8

21.8_±0.4

5.7_±0.1

15.8_±0.3

16.8_±0.4

4.9_±0.2

3.20_±0.1

32.50

78.50

2550

4300±25%

32/33-9210-

E+l 22

21.8_±0.4

15.8_±0.3

2.5_±0.05

26.1

78.50

2040

5000±25%

32-9320-

EE31.8×6.3×20.3

31.75_±0.64

6.35_±0.13

20.32_±0.41

25.4_±0.5

6.28_±0.2

3.23_±0.15

41.70

129

5380

6425_±25%

5900±25%

32/33-9320-

E+l 31.8

31.75_±0.64

20.32_±0.41

3.18_±0.13

35.90

129

4560

7350_±25%

6780±25%

32-9380-

EE38.1×8.26×25.4

38.1_±0.76

8.26_±0.13

25.4_±0.51

30.85_±0.6

7.6_±0.2

4.52_±0.2

52.60

194

10200

7940_±25%

7250±25%

32/33-9380-

E+l 38.1

38.1_±0.76

25.4_±0.51

3.18_±0.13

43.70

194

8460

9290_±25%

8500±25%

32-9640-

EE63.8×10.2×50.3

63.8_±1.3

10.2_±0.13

50.3_±1

53.6_±1.1

10.2_±0.2

5.17_±0.2

79.70

511

40700

13300_±25%

12720±25%

32/33-9640-

E+l 63.8

63.8_±1.3

50.3_±1

5.08_±0.13

69.60

511

35500

15050_±25%

14360±25%

All Above Cores are available in clipped version for clamping purpose.

Planar ER CoresOpen or Close

MMG India offers low profile ER cores for SMD transformer application in power, signal and high permeability grades and these cores can also be gapped to suit customer requirements. Key features are; Very low total height, Low stray inductance, and High DC magnetic bias. Suitable applications are; Low power DC-DC converters, Pulse transformers, Broadband transformers, and Driver transformers. Planar ER cores are available in a range of sizes and materials as per IEC62317-9

Part No.	Core	A mm	B mm	C mm	D mm	E mm	F mm	G mm	le mm	Ae mm²	Ve mm³	F44	F47	F48	F49
32-869-	ER 9.5×5	9.5_-0.3	7.5^+0.25	3.5_-0.2	7.00_Mini.	5_-0.2	1.6^+0.15	5_-0.2	13.6	8.81	120	740R	720/R	800R	4500Y
32-870-	ER 11×5	11.00_-0.35	8.7^+0.3	4.25_-0.2	7.90_Mini.	6_-0.2	1.5^+0.15	5_-0.2	14.1	12.4	174	1100R	-	1200R	6400Y
32-880-	ER 14.5×6	14.5_±0.2	11.8_±0.2	4.7_±0.1	-	6.7_±0.1	1.65_±0.1	5.9_±0.2	19	17.6	333	1500R	-	1500R	-

R- +30%, -20%
Y- +40%, -30% All Values mentioned above are for an ungapped pair of cores
Gapped values can be provided on request
All above cores are available in other materials on request.

ETD CoresOpen or Close

ETD (Economical Transformer Design) cores were developed specifically for Power Transformer cores used in Switched Mode power supplies. The combined cross-sectional area of the two outer limbs equals the cross-sectional area of the centre limb allowing an even flux distribution throughout the core. This ensures the absence of localised 'hot spots' that can reduce performance at high frequencies or high flux levels. Their round centre limb provides for minimal winding resistance, leakage inductance and copper eddy current losses. ETD Cores are available in a range of sizes and materials as per IEC 62317-6 together with their associated coil formers (both Horizontal and Vertical mounting) and clips.

Dimensional details & AL Values with Tolerance Code

Part No.

Core

A
mm

B
mm

C
mm

D
mm

E
mm

F
mm

Effective Parameters
le mm	Ae mm²	Ve mm³

F5A

F44

F48

F9C

F10

32-580-

ETD29/16/10

30.6_-1.6

16_+0.4

9.8_-0.6

22^+1.4

9.8_-0.6

10.7^+0.6

70.4

5376

2350/R

1950/R

2250/R

32-500-

ETD34/17/11

34⁺¹_-0.6

17.5^-0.4

11.1^-0.6

25.6^+1.4

11.1_-0.6

11.8^+0.6

78.6

97.10

7640

2400/R

2840/R

2250/R

2711/R

32-520-

ETD39/20/13

38.9^+1.1_-0.7

20_-0.4

12.8_-0.6

29.3^+1.6

12.8_-0.6

14.2^+0.8

92.20

125

11500

2700/R

3210/R

2470/R

2800/R

32-540-

ETD44/25/15

43.8^+1.2_-0.8

22.5_-0.4

15.2_-0.8

32.5^+1.6

15.2_-0.8

16.1^+0.8

103

173

17800

3300/R

3920/R

3100/R

32-560-

ETD49/25/17

48.5^+1.3_-0.9

24.9_-0.4

16.7_-0.8

36.1^+1.8

16.7_-0.8

17.80^Mini

114

211

24000

3700/R

4400/R

3525/R

4090/R

32-490-

ETD59/31/22

59.8_+1.4

31.2_-0.4

22.1_-0.9

43.6^+2.2

22.1_-0.9

22^+0.9

139

368

51200

5000/R

4900/R

5800/R

R- +30%, -20%
Y- +40%, -30% All Values mentioned above are for an ungapped pair of cores
Gapped values can be provided on request
All above cores are available in other materials on request.

EFD CoresOpen or Close

EFD (Economical Flat Design) cores were developed to meet the increasing demand for low profile components in power transformer design. A combination of very low height and excellent throughput power, when compared to other cores of a similar height, make these cores ideal where space considerations are a priority. EFD Cores are available in a range of sizes and materials as per IEC 6231 7-14 together with their associated coil formers and clips.

Part No.	Core	A	B	C	D	E	F	G	le mm	Ae mm²	Ve mm³	F44	F47	F48
32-720-	EFD 15×8×5	15_±0.4	7.5^+0.15	4.65_±0.15	11_±0.35	5.55_±0.2	2.4_±0.1	5.3_±0.15	34	15	510	675R	650R	780R
32-740-	EFD 20×10×7	20_±0.55	10_±0.15	6.65_±0.15	15.4_±0.5	7.75_±0.2	3.6_±0.15	8.9_±0.2	47	31	1460	1120R	1075R	1200/R
32-760-	EFD 25×13×9	25_±0.65	12.5_±0.15	9.1_±0.2	18.7_±0.6	9.3_±0.25	5.2_±0.15	11.4_±0.2	57	58	3300	1790R	1720R	2200R

R- +30%, -20%
Y- +40%, -30% All Values mentioned above are for an ungapped pair of cores
Gapped values can be provided on request
All above cores are available in other materials on request.

EP CoresOpen or Close

EP Cores have a particularly compact, low profile shape and offer excellent shielding from adjacent cores due to the winding being almost completely surrounded by the ferrite core. This allows for high packing densities on printed circuit boards. Originally designed for broadband, small power transformers and signal transmission applications, EP cores are well suited for the demanding properties required from modern electronic components.
EP Cores are available in a range of sizes and materials as per IEC 62317-5.

All Dimensional Details in mm.

Part No.	Core	A	B	C	D	E	F	le mm	Ae mm²	Ve mm³
32-810-	EP7	9.4_-0.4	7.2^+0.4	3.4_-0.2	6.5_-0.3	5^+0.4	7.5_-0.2	15.7	10.3	162
32-820-	EP10	11.8_-0.6	9.2^+0.4	3.45_-0.3	7.85_-0.4	7.2^+0.4	10.4_-0.2	19.2	11.3	217
32-800-	EP13	12.8_-0.6	9.7^+0.6	4.5_-0.3	9_-0.4	9^+0.4	13^-0.3	24.2	19.5	472
32-830-	EP17	18.4_-0.8	11.6^+0.8	5.85_-0.35	11.25_-0.5	11^+0.6	17_-0.6	28.5	33.9	966
32-840-	EP20	24.5_-1	16.1^+0.8	9_-0.5	15.3_-0.7	14^+0.6	21.6_-0.4	40	78	3120
32-850-	EOP7	9.2_±0.2	7.4_±0.2	3.3_±0.1	8.8_±0.2	4.8_±0.2	7.4_±0.1	15.6	17.7	276

All Values with Tolerance Code.

Part No.	Core	P11	F5	F5A	F44	F44A	F47	F48	F9	F10	F39	FTA
32-810-	EP7	980/R	1200/R	1200/R	920/R	1100/R	960/R	1100/R	2000/R	3400/R	5200/Y	5200/Y
32-820-	EP10	940/R	-	1063/R	855/R	1100/R	980/R	980/R	2000/R	3200/R	4800/Y	-
32-800-	EP13	1500/R	1275/R	1460/R	1235/R	1600/R	1300/R	1400/R	2800/R	4400/R	7000/Y	7000/Y
32-830-	EP17	2250/R	2300/R	-	2130/R	2400/R	-	2400/R	4300/R	6875/R	11400/Y	-
32-840-	EP20	-	-	4100/R	4000/R	-	-	3900/R	6700/R	11200/R	18700/Y	-
32-850-	EOP7	-	-	-	-	-	-	-	-	-	-	8780/Y

R- +30%, -20%
Y- +40%, -30% All Values mentioned above are for an ungapped pair of cores
Gapped values can be provided on request
All above cores are available in other materials on request.

EQ Cores, PQ CoresOpen or Close

Part No.	Core	A mm	B mm	C mm	D mm	E mm	F mm	G mm	le mm	Ae mm²	Ve mm³	F47	F48	F49	FTA
32-670-	EQ 20	20_±0.35	18_±0.35	8.8_±0.15	12.86_±0.35	14_±0.3	4.1_±0.15	6.3_±0.1	33.2	59.0	1960	-	3500^±25	-	13500^+40%_-30%
32-640	EQ 25	25_±0.4	22_±0.4	11_±0.2	14.5_Min	18_±0.3	5.15_±0.15	8.0_±0.1	41.4	100	4145	4200^+30%_-20%	-	2150^+30%_-20%	21300^+40%_-30%
32-650	EQ 25 LP	25_±0.4	22_±0.4	11_±0.2	14.5_Min	18_±0.3	3.1_±0.15	5.3_±0.05	-	-	-	5500^+30%_-20%	-	-	-

Part No.	Core	A mm	B mm	C mm	D mm	E mm	F mm	G mm	le mm	Ae mm²	Ve mm³	F48	F49
29-060-	PQ 26×20	27.3^±0.46	22.5^±0.46	12^±0.2	19^±0.45	15.50^Min	11.5^±0.3	20.2^±0.25	45	121	5470	-	3000^±25%
29-070-	PQ 26×25	27.3^±0.46	22.5^±0.46	12^±0.2	19^±0.45	15.50^Min	16.1^±0.3	24.7^±0.25	54.30	120	6530	5250^±25%	2500^±25%

As per IEC 62317-13
All Values mentioned above are for an ungapped pair of cores
Gapped values can be provided on request
All above cores are available in other materials on request.

UU Cores, UR CoresOpen or Close

These cores are used for the construction of transformers in the frequency range from 10 to 500 kHz. The transferable outputs will be determined by core geometry and the upper frequency limits by the material selected. In previous years a major application was for in line transformers producing an electron deflection beam for CRT's. Materials used for these applications are characterized by high flux density, low specific power losses and the decline of losses dependent on temperature in the range from 200 to 1000C.

Dimensional details & AL Values with Tolerance Code

Part No.	Core	A mm	B mm	C mm	D mm	E mm	F mm	le mm	Ae mm²	Ve mm³	F5	F5A	F9	F10	F39	F44	F48	F49
34-009-	U 10.5	10.5^+0.2_-0.2	7.9_±0.2	5.2^+0.3	5.3^+0.15_-0.15	2.70_-0.3	5.5^+0.2	40	13	520	800/R	-	1000/R	1700/R	2400/Y	-	-	-
34-490-	U 12.7	12.7_±0.38	6.35_±0.05	4.95_±0.25	3.81_±0.18	2.54_±0.13	7.30_Mini	33	12.60	416	-	-	1000/R	-	-	-	-	-
34-010-	U15/11/6.5	15.5^+0.7	11.2^+0.5_-0.5	6.45_±0.25	6_±0.25	5.00	5^+0.4	48	32	1540	1200/R	-	2625/R	-	5000/Y	-	-	-
34-015-	U25/20/13	24.75_±0.75	19.43^+0.57_-0.58	12.75_±0.25	11.33^+0.32	8.0_Mini	8.25_±0.25	86	105	9030	-	-	4120/R	-	-	-	-	-
34-540-	U26.5/20.2/9.7	26.54_±0.78	20.07_±0.13	9.40_±0.25	14.60_±0.13	-	7.87_±0.5	95.40	60.90	5724	-	1790/R	-	-	-	-	-	-
34-025-	U31/15.5/16	314_±0.6	16.3_±0.3	16.3_±0.3	8.5_±0.5	7_±0.5	17.0_±0.4	90	112	10079	-	-	4500^+30%_-10%	-	-	-	-	-
34-521-	U37/25/18	36.9_±0.8	25.2_±0.20	18_±0.4	16.30_Mini	14.7_±0.3	14.9_±0.1	125	150	18750	-	3125/R	-	-	-	-	-	-
34-041-	U46/20/28	47_±0.8	40_±0.4	28_±0.6	25.8_±0.25	-	19_±0.85	-	-	-	-	5880/R	-	-	-	-	-	-
34-520-	U60/36/23	60.50_Nomi	35.8_±0.2	23.0_±0.4	26.5_±0.4	17.0_±0.4	26.75_±0.75	189	210	39700	2410/R	-	-	-	-	-	-	-
34-537-	U82/44/60	80.8_±1.2	44.53_±0.2	-	30.53_±0.25	15.0_±0.25	50.80_Mini	268.6	177.20	47600	-	1810/R	-	-	-	-	-	-
34-544-	U91/44.4/15	91_±1.36	44.53_±0.2	15.0_±0.25	30.53_±0.25	15.0_±0.25	61.0_Mini	275.2	177.20	48751.3	-	1810/R	-	2410/R	-	-	-	-
34-050-	U93/76/30	93_±1.8	76_±0.5	30_±0.6	48_±0.90	-	36.2_±1.2	352.98	847.98	299320	-	-	-	-	-	5440/R	6000/R	-
34-029-	U101.6/57/ 25.4	104.14_Max	57.15_±0.38	25.4_±0.76	31.75_±0.25	-	49.78_Mini	308.39	645.16	198965	-	-	-	-	-	4500/R	5060/R	6000_±25%

Toroid CoresOpen or Close

Ring cores or Toroids manufactured from ferrites offer an efficient shape for variety of wide band, pulse, power transformers and inductors. Toroids Cores are available in a range of sizes and materials as per lEC 62317-12

Dimensional details & AL Values with Tolerance Code

Part No.	Core	A mm	B mm	C mm	le mm	Ae mm²	Ve mm³	F5A	P12	F8	F9	F9C	F14	F19	F5C	F10	F39	F47	F48	F44	F16	F57	F5
28-0611-	T4.5×2.5×2.0	4.5_±1.8	2.495_±0.125	2.0_±0.18	-	-	-	-	470_±30%	-	-	940/R	-	-	-	-	-	-	-	-	-	-	-
28-119-	T5.8×3×3.05	5.84_±1.6	3.05_±0.13	3.05_±0.13	13.029	4.108	53.52	-	-	-	-	1900/R	-	-	-	-	-	-	-	764/R	-	-	-
28-001-	T6.35×3.18×1.52	6.35_±0.19	3.17_±0.15	1.52_±0.13	13.81	2.32	32.05	-	-	-	-	1052/R	-	-	-	-	-	-	-	399_-30%	-	-	-
28-002-	T6.35×3.18×3.96	6.35_±0.19	3.17_±0.15	3.96_±0.25	13.82	6.049	83.57	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
28-003-	T6.35×3.18×7.92	6.35_±0.19	3.17_±0.15	7.93_±0.3	13.80	12.06	116	-	1983_Mini	1322_Mini	4820_±20%	-	242/R	-	-	-	-	-	-	-	-	-	-
28-107-	T10×6×4	10^±0.4	6_±0.30	4_±0.2	24.70	7.84	188.70	-	-	-	-	2046/R	-	-	-	2460/R	-	-	-	-	-	-	-
28-011-	T12.7×6.35×3.18	12.7^±.30	6.35_±0.25	3.17_±0.25	27.6	9.68	268	-	-	-	-	-	-	-	-	2645/R	-	-	-	-	-	-	-
28-012-	T12.7×6.35×6.35	12.7^±0.3	6.35_±0.25	6.35_±0.3	27.65	19.37	535.7	-	-	1317/R	3864/R	4401/R	193/R	-	-	4224_Mini	7570^±0.30	-	-	-	-	-	-
28-013-	T12.7×6.35×9.52	12.7^±0.3	6.35_±0.25	9.52_±0.36	27.6	29.04	804	-	-	-	-	-	290/R	-	-	-	-	-	-	-	-	-	-
28-017-	T12.7×7.1×5.0	12.85^±0.45	7.35_±0.25	5_±0.25	30.13	13.45	405	-	-	-	2486_±25%	-	-	-	-	-	-	-	-	-	-	-	-
28-018-	T12.7×7.1×6.35	12.85^±0.45	7.35_±0.25	5_±0.25	30.13	17.02	513	-	-	-	-	3548_±25%	-	-	-	-	-	-	-	-	-	-	-
28-0627-	T12.7×7.2×3.2	12.7^±0.32	7.3_±0.3	3.3_±0.18	2.962	0.08858	0.2623	-	-	-	-	1500/R	-	-	1130_±20%	-	-	-	-	-	-	-	-
28-019-	T12.7×7.9×6.35	12.7^±0.32	7.9_±0.15	6.35_±0.2	31.17	14.96	466	1507/R	-	-	-	3020/R	-	442/R	-	2800_Mini	4600_Mini	-	-	-	-	4500_±25%	-
28-059-	T16.7×9.6×5.0	16.76^±0.5	9.65_±0.25	5_±0.25	39.45	17.33	683	-	-	-	1943_Mini	2730_±25%	-	-	-	-	5520/Y	993/R	-	-	-	-	-
28-063-	T16.7×9.65×6.35	16.76^±0.5	9.65_±0.25	6.3_±0.25	39.45	21.84	864	-	-	-	3055/R	3470/R	-	-	-	4165/R	-	-	-	1320/R	-	-	-

28-076-	T17.5×9.6×28.5	17.5_±0.5	9.6_±0.3	28.52_±0.6	40.11	109.3	4386	-	-	-	-	-	-	-	-	-	-	-	-	-	3921_±20%	-	-
28-023-	T19.05×12.7×9.52	19.05_±0.16	12.7_±0.51	9.52_±0.36	48.50	29.88	1449	-	-	930_Mini	3410/R	3880/R	-	-	-	-	-	-	-	-s	-	-	-
28-0116-	T20×10×6.8	20.45_±0.55	10_±0.2	6.8_±0.2	43.98	34.05	1497.5	-	-	-	4189/R	4860/R	-	-	-	-	-	-	-	1790/R	-	-	-
28-095-	T22.1×13.7×12.7	22_±0.3	13.72_±0.25	12.70_±0.25	54.08	51.61	2791	2400_Mini	-	5277/R	6110_±20%	-	-	1196_±30%	-	7125/R	10000_±30%	-	-	-	-	-	-
28-0631-	T24×12×6	24_±0.50	12.18_±0.40	6_±0.25	52.26	34.59	1808	-	-	-	-	3330_-30%	-	-	-	-	-	-	-	-	-	-	-
28-055-	T24×12×12	24_±0.6	11.85_±0.35	11.85_±0.35	51	69.57	35.85	-	-	-	-	8571/R	366/R	-	-	-	-	-	-	-	-	-	-
28-141-	T36×23×16	36.4^±1.1	22.6_±0.9	15.4_±0.8	89.65	95.89	8597	-	-	-	-	-	-	-	-	-	13600Y	-	-	-	-	-	-
28-044-	T38.1×25.4×15.87	38.1^±1.52	25.4_±1.02	15.87_±0.30	97.06	99.41	9650	3217/R	-	-	5663/R	6500_±20%	-	-	-	-	-	-	-	2445/R	-	-	-
28-043-	T38.1×25.4×19.05	38.1^±1.52	25.4_±1.02	19.05_±0.41	97.10	119.40	11580	-	-	2480_±25%	6830/R	7725/R	341/R	-	-	-	13285_±30%	-	-	2935/R	-	-	-
28-029-	T45×19×16	45^±1.0	19_±1	16_±0.5	89	195.4	17370	5000/R	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
28-089-	T54×15×19	54^±2.10	15.6_±0.6	19.0_±0.4	85.72	321.72	27594	-	-	-	21200/R	-	1070_±20%	-	14600/R	-	-	-	-	-	-	-	-
28-052-	T56×32×18	55.4^±1.6	32.4_±0.7	18_±0.7	131.5	202.10	26578	-	-	-	7724^+20%_-20%	-	-	-	-	-	-	-	-	-	-	-	-
28-061-	T36×38×25	63^±2	38_±1.2	25_±0.3	152	305.93	46530	6319/R	-	-	11100/R	12640^+20%_-20%	-	-	-	15160^±20%	-	-	5450/R	-	-	-	5054/R
28-0797-	T78×45×14	78^±1.91	44.65_±1.32	14_±0.40	181.6	231.8	42098	-	3210_±30%	-	-	6410^+20%_-20%	-	1600^+20%_-20%	4810_±20%	-	-	-	-	-	-	-	-
28-0660-	T102×66×15	102^±2.0	65.8_±1.3	15_±0.5	255.32	367.21	68225	-	-	-	-	-	-	-	-	7890/R	-	-	-	-	-	-	-

R- +30%, -20%
Y- +40%, -30% All values mentioned above are for an un coated Ring core
All the above cores are available in epoxy coating to provide dielectric break down strength
Ring cores below the size of 6mm are available in paralyene coating
Cores are also available enamel coated for identification purposes only.They can be either fully or partially coated and no breakdown strength can be guaranteed
For coated cores the AL Value and dimensional tolerance changes
Gapped Ring cores are available on request
All above Cores are available in other materials on request