TDK Electronics · TDK Europe

Ferrites

  • Recommended materials for automotive applications:
    N49, N87, N92, N95, N97
  • CAN bus choke materials: K1, K10
  • Suitability of other materials depends on transformer design
  • Wide range of ferrite accessories

E cores

  • E cores are available in a wide variety of sizes
  • E cores are supplied in single units
Product search

Core shape Material (Core) AL value (nH) PDF
E 5 N87 270
E 6.3 N30,  N87 380, 700
E 8.8 N30,  N87 550, 1000
E 10/5.5/5 N27,  N87 750, 800
E 12.6/6.5/6.3 N87 1380
E 12.7/6/6 N87 1400
E 13/6.5/3.7 N87 850
E 13/6/6.15 N87,  N97 900, 950
E 13/7/4 N27,  N30,  N87 45 - 1000
E 14/8/4 N27,  N30 860, 1250
E 16/6/5 N27,  N87,  N97 1100 - 1250
E 16/7/5 N27,  N87 950, 1000
E 16/8/5 N27,  N30,  N87,  N97 69 - 1400
E 16/8/8 N27,  N87 1800, 1900
E 19/8/5 N27,  N30,  N87 1050 - 1700
E 20/9/6 N27,  N30,  N87,  N97 1300 - 2200
E 20/10/6 N27,  N30,  N87,  N97 60 - 2150
E 20/10/11 N27,  N87,  N95,  N97 2300 - 3000
E 21/9/5 N27,  N30 900, 1500
E 22/15/6 N87 1200
E 25.4/10/7 N27,  N30,  N87 122 - 2700
E 25/13/7 N27,  N30,  N87,  N97 91 - 2900
E 28/10/11 N87 3200
E 30/15/7 N27,  N30,  N87 90 - 3100
E 32/16/9 N27,  N30,  N87,  N97 145 - 3800
E 32/16/11 N87,  N97 2900, 3000
E 34/14/9 N27,  N87 2300, 2450
E 36/18/11 N27,  N87 183 - 3100
E 40/16/12 N27,  N87 411 - 4150
E 42/21/15 N27,  N30,  N87,  N95,  N97 201 - 7500
E 42/21/20 N27,  N87,  N95,  N97 259 - 6700
E 47/20/16 N27,  N87 5100, 5600
E 55/28/21 N27,  N87,  N97 292 - 6700
E 55/28/25 N27,  N87,  N97 295 - 7700
E 56/24/19 N27,  N87 6300, 6900
E 65/32/27 N27,  N87,  N95,  N97 230 - 11000
E 70/33/32 N27,  N87,  N95,  N97 200 - 13000
E 80/38/20 N27,  N87,  N97 882 - 4700
E 100/60/28 N87,  N95,  N97 6500 - 8500

EFD cores

  • EFD cores are available in a wide variety of sizes
  • EFD cores are supplied in single units
Product search

Core shape Material (Core) AL value (nH) PDF
EFD 10/5/3 N49,  N87,  N97 370 - 470
EFD 15/8/5 N49,  N87,  N97 50 - 820
EFD 20/10/7 N49,  N87,  N97 100 - 1250
EFD 25/13/9 N87,  N97 160 - 2100
EFD 30/15/9 N87,  N97 160 - 2150

ELP cores ELP + I cores

  • ELP cores are available in a wide variety of sizes
  • ELP cores are supplied in single units
Product search

Core shape Material (Core) AL value (nH) PDF
EQ 13/2.85/8.7,  I 13/1/8.7 N49,  N87,  N92,  N95,  N97 1360 - 2350
EQ 20/6.3/14,  I 20/2.3/14 N49,  N87,  N92,  N95,  N97 2600 - 4900
EQ 25/5.6/18,  I 25/2.3/18 N49,  N87,  N92,  N95,  N97 4100 - 6000
EQ 30/8/20,  I 30/2.7/20 N49,  N87,  N92,  N95,  N97 3600 - 6500
I 23/2/13 N49,  N87,  N92,  N97 2600, 3400
I 25/3/15 N49,  N87,  N92,  N97 3400, 4600

EQ cores EQ + I cores

  • EQ cores are available in a wide variety of sizes
  • EQ cores are supplied in single units
Product search

Core shape Material (Core) AL value (nH) PDF
EQ 13/2.85/8.7,  I 13/1/8.7 N49,  N87,  N92,  N95,  N97 1360 - 2350
EQ 20/6.3/14,  I 20/2.3/14 N49,  N87,  N92,  N95,  N97 2600 - 4900
EQ 25/5.6/18,  I 25/2.3/18 N49,  N87,  N92,  N95,  N97 4100 - 6000
EQ 30/8/20,  I 30/2.7/20 N49,  N87,  N92,  N95,  N97 3600 - 6500
I 23/2/13 N49,  N87,  N92,  N97 2600, 3400
I 25/3/15 N49,  N87,  N92,  N97 3400, 4600

ER cores ER planar + I cores

  • ER cores are available in a wide variety of sizes
  • ER cores are supplied in single units
Product search

Core shape Material (Core) AL value (nH) PDF
ER 9.5/5 N49,  N87,  N92,  N97,  T38 40 - 4500
ER 11/5 N49,  N87,  N92,  N97,  T38 100 - 6400
ER 14.5/6 N49,  N87,  N92,  N97,  T38 100 - 6600
ER 18/3/10 N49,  N87,  N92,  N97 1800, 2300
ER 23/5/13,  I 23/2/13 N49,  N87,  N92,  N95,  N97 2200 - 3700
ER 25/6/15,  I 25/3/15 N49,  N87,  N92,  N97 400 - 4600
ER 32/5/21 N49,  N87,  N92,  N97 3800 - 5000
ER 35/20/11 N27,  N87 125 - 2700
ER 42/22/15 N27,  N87 257 - 3700
ER 46/17/18 N27,  N87 343 - 6100
ER 49/27/17 N27,  N87 3500, 3700
ER 54/18/18 N27,  N87 620 - 5800
I 25/2.3/18 N49,  N87,  N92,  N95,  N97 4600 - 6000

Ring cores

  • Ring cores are primarily used as EMC chokes for suppressing RF interference
Product search

Core shape Material (Core) AL value (nH) PDF
R 2.50 x 1.50 x 1.00 K10,  N30,  T38,  T65 70 - 1020
R 2.50 x 1.50 x 1.30 K10,  T38,  T65 93 - 1320
R 2.54 x 1.27 x 1.27 K10,  T38,  T65 120 - 1760
R 3.05 x 1.27 x 1.27 K10,  T38,  T65 160 - 2200
R 3.05 x 1.27 x 2.54 K10,  T38,  T65 330 - 4200
R 3.05 x 1.78 x 2.03 K10,  T38,  T65 160 - 2150
R 3.43 x 1.78 x 1.78 K10,  T38,  T65 160 - 2300
R 3.43 x 1.78 x 2.03 K10,  T38,  T65 190 - 2650
R 3.94 x 1.78 x 1.78 K10,  T38,  T65 200 - 2830
R 3.94 x 2.24 x 1.30 K10,  T38,  T65 100 - 1470
R 3.94 x 2.24 x 2.30 K10,  T38,  T65 180 - 2600
R 4.00 x 2.40 x 1.60 N30,  T38,  T65 700 - 1630
R 4.00 x 2.40 x 1.80 N30,  T38,  T65 790 - 1840
R 5.84 x 3.05 x 1.52 N30,  T38,  T65 850 - 1900
R 5.84 x 3.05 x 3.00 N30,  T38,  T65 1680 - 3900
R 6.30 x 3.80 x 2.50 K1,  N30,  N87,  T38,  T65 20 - 2530
R 8.00 x 4.00 x 4.00 N30,  N87,  T38,  T65 1200 - 5500
R 9.53 x 4.75 x 3.17 N30,  N87,  T35,  T38,  T65 970 - 4410
R 10.0 x 6.00 x 4.00 K1 - T65 33 - 4090
R 10.0 x 6.00 x 7.00 K10,  N30,  T38,  T65 450 - 7150
R 12.5 x 7.50 x 5.00 N30 - T65 1120 - 5110
R 12.7 x 7.90 x 6.35 N30 - T65 1330 - 6030
R 13.3 x 8.30 x 5.00 N30 - T65 1040 - 4700
R 14.0 x 9.00 x 5.00 N30 - T65 970 - 4420
R 15.0 x 10.4 x 5.30 N30 - T65 850 - 3880
R 15.8 x 8.90 x 4.70 N30 - T65 1190 - 5400
R 16.0 x 9.60 x 6.30 K1 - T65 52 - 6440
R 17.0 x 10.7 x 6.80 N30 - T65 1390 - 6280
R 18.4 x 5.90 x 5.90 N30 - T65 2950 - 13400
R 20.0 x 10.0 x 7.00 N30 - T65 2130 - 9740
R 20.0 x 10.0 x 10.00 N30 - T65 3000 - 12940
R 20.0 x 10.0 x 15.00 N30 - T65 4500 - 19880
R 22.1 x 13.7 x 6.35 N30 - T65 1340 - 6070
R 22.1 x 13.7 x 7.90 N30 - T65 1660 - 7570
R 22.1 x 13.7 x 12.5 N30 - T65 2630 - 12000
R 22.6 x 14.7 x 9.20 N30 - T65 1740 - 7900
R 25.3 x 14.8 x 10.0 N30 - T65 2360 - 10700
R 25.3 x 14.8 x 15.0 N30,  N87,  T37,  T38,  T65 3500 - 16100
R 25.3 x 14.8 x 20.0 N30 - T65 4680 - 21300
R 29.5 x 19.0 x 14.9 N30,  N87,  T37,  T38,  T65 2880 - 13100
R 30.5 x 20.0 x 12.5 N30,  N87,  T37,  T38,  T65 2320 - 10600
R 34.0 x 20.5 x 10.0 N30,  N87,  T37,  T38,  T65 2230 - 10100
R 34.0 x 20.5 x 12.5 K1 - T65 100 - 12700
R 36.0 x 23.0 x 15.0 N30,  N87,  T37,  T38,  T65 2940 - 13500
R 38.1 x 19.05 x 12.7 N30,  N87,  T37,  T38,  T65 3870 - 17600
R 40.0 x 24.0 x 16.0 N30 - T65 3590 - 16300
R 41.8 x 26.2 x 12.5 N30,  N87,  T37,  T38,  T65 2560 - 11600
R 50.0 x 30.0 x 20.0 K10 - T65 1400 - 17400
R 58.3 x 32.0 x 18.0 K10 - T65 1500 - 17200
R 58.3 x 40.8 x 17.6 K10,  N30,  N87,  T37,  T65 900 - 7160
R 58.3 x 40.8 x 20.2 K10,  N30,  N87,  T37,  T65 1000 - 8000
R 63.0 x 38.0 x 25.0 K10 - T65 1800 - 17600
R 68.0 x 48.0 x 13.0 K10 - T65 600 - 7700
R 87.0 x 54.3 x 13.5 K10 - T65 900 - 8200
R 102 x 65.8 x 15.0 K10,  N30,  N87,  T38,  T65 900 - 7900
R 140 x 103 x 25.0 K10,  N30,  N87,  T37 1100 - 8400
R 202.0 x 153 x 25.0 K10,  N30 970, 5200

RM cores

  • RM cores are ideal for low-loss/ highly stable filter coils
  • Sizes are specified according to IEC 60431
  • RM cores are supplied in sets
Product search

Core shape Material (Core) AL value (nH) PDF
RM 4 K1 - T38 16 - 3700
RM 5 K1 - T38 25 - 6700
RM 6 K1 - T38 40 - 8600
RM 7 N30 - T38 160 - 10000
RM 8 N30 - T38 160 - 12500
RM 10 N30 - T38 250 - 16000
RM 12 N30 - N97 160 - 8700
RM 14 N41,  N49,  N87,  N97 160 - 6800

RM LP cores

  • Low-profile RM cores are specified acc. to IEC 61860
  • Low-profile RM cores are supplied in sets
Product search

Core shape Material (Core) AL value (nH) PDF
RM 4 Low Profile N49,  N87 950, 1300
RM 5 Low Profile N49,  N87 1700, 2400
RM 6 Low Profile N49,  N87 2200, 3000
RM 7 Low Profile N49,  N87 2400, 3300
RM 8 Low Profile N49,  N87 2900, 4100
RM 10 Low Profile N49,  N87 3700, 5200
RM 12 Low Profile N49,  N87 4500, 6300
RM 14 Low Profile N49,  N87 5100, 7100

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