Materials










All TDK and EPCOS ferrite materials are listed below. These have been split into application tables to help you choose the right material for your application. To view the full data for a specific material simply click the link to navigate to the material specific page.


EMI Suppression

Material µi  at 25 ° C Bsat (mT) at 25 ° C (1200 A/m) Tc(° C) p (Om) Ferrite type Remarks Datasheet
3C11 4300 ˜ 390 = 125 ˜ 1 MnZn Frequency < 30 MHz Datasheet
3E65 5200 ˜ 480 = 165 ˜ 0.5 MnZn Frequency < 20 MHz Datasheet
3E25 6000 ˜ 390 = 125 ˜ 0.5 MnZn Frequency < 20 MHz Datasheet
3E27 6000 ˜ 430 = 150 ˜ 0.5 MnZn Frequency < 20 MHz Datasheet
3E26 7000 ˜ 430 = 155 ˜ 0.5 MnZn Frequency < 20 MHz Datasheet
3E10 10000 ˜ 460 = 130 ˜ 0.5 MnZn Frequency < 20 MHz Datasheet
3E12 12000 ˜ 470 = 130 ˜ 0.5 MnZn Frequency < 15 MHz Datasheet
3B1 900 ˜ 380 = 150 ˜ 0.2 MnZn Datasheet
3S1 4000 ˜ 400 = 125 ˜ 1 MnZn Frequency < 30 MHz Datasheet
3S3 350 ˜ 320 = 225 ˜ 104 MnZn Frequency < 200 MHz Datasheet
3S4 1700 ˜ 320 = 110 ˜ 103 MnZn Frequency < 100 MHz Datasheet
3S5 3800 ˜ 545 = 225 ˜ 10 MnZn Frequency < 30 MHz Datasheet
4B1 250 ˜ 360 = 250 ˜ 105 NiZn Frequency < 300 MHz Datasheet
4S2 850 ˜ 340 = 150 ˜ 105 NiZn Frequency < 100 MHz Datasheet
4S2F 700 ˜ 290 = 120 ˜ 104 NiZn Frequency < 100 MHz Datasheet
4S3 250 ˜ 360 = 250 ˜ 105 NiZn Frequency < 300 MHz Datasheet
4S60 2000 ˜ 260 = 100 ˜ 105 NiZn Frequency < 20 MHz Datasheet

Signal Processing

Material µi  at 25 ° C Bsat (mT) at 25 ° C (1200 A/m) Tc(° C) p (Om) Ferrite type Remarks Datasheet
3B46 3800 ˜ 545 = 225 ˜ 10 MnZn High DC bias Datasheet
3B7 2300 ˜ 440 = 170 ˜ 1 MnZn Temperature stable Datasheet
3D3 750 ˜ 380 = 200 ˜ 2 MnZn High freq filter Datasheet
3H3 2000 ˜ 360 = 160 ˜ 2 MnZn Low freq filter Datasheet
4A11 850 ˜ 340 = 125 ˜ 105 NiZn Frequency < 1 MHz Datasheet
4B2 250 ˜ 360 = 335 ˜ 105 NiZn Frequency < 5 MHz Datasheet
4C65 125 ˜ 380 = 350 ˜ 105 NiZn Frequency < 15 MHz Datasheet
4E1 15 ˜ 220 = 500 ˜ 105 NiZn Frequency < 200 MHz Datasheet

Power Conversion

Material µi  at 25 ° C Bsat (mT) at 25 ° C (1200 A/m) Tc(° C) p (Om) Ferrite type Remarks Datasheet
3C90 2300 ˜ 470 = 220 ˜ 5 MnZn min. loss @100 °C Datasheet
3C94 2300 ˜ 470 = 220 ˜ 5 MnZn min. loss @100 °C Datasheet
3C96 2000 ˜ 500 = 240 ˜ 5 MnZn min. loss @100 °C Datasheet
3C98 2500 ˜ 530 = 230 ˜ 5 MnZn min. loss @100 °C Datasheet
3C91 3000 ˜ 470 = 220 ˜ 5 MnZn min. loss @60 °C Datasheet
3C93 1800 ˜ 520 = 240 ˜ 5 MnZn min. loss @140 °C Datasheet
3C95 3000 ˜ 530 = 215 ˜ 5 MnZn Flat. loss @25-100 °C Datasheet
3C97 3000 ˜ 470 = 220 ˜ 5 MnZn Flat. loss @60-140 °C Datasheet
3C92 1500 ˜ 540 = 280 ˜ 5 MnZn High Bsat Datasheet
3R1 800 ˜ 410 = 230 ˜ 103 MnZn Square B-H Loop Datasheet
4F1 80 ˜ 320 = 260 ˜ 105 NiZn Frequency < 15MHz Datasheet
3F3 2000 ˜ 440 = 200 ˜ 2 MnZn = 400 kHz Datasheet
3F36 1600 ˜ 530 = 230 ˜ 12 MnZn < 600 kHz,flat power loss 25-100 °C Datasheet
3F4 900 ˜ 410 = 220 ˜ 10 MnZn <2 MHz Datasheet
3F46 750 ˜ 520 = 280 ˜ 5 MnZn 1-3MHz Datasheet

Special Ferrites

Material µi  at 25 ° C Bsat (mT) at 25 ° C (1200 A/m) Tc(° C) p (Om) Ferrite type Datasheet
4B3 250 ˜ 360 = 335 ˜ 105 NiZn Datasheet
4E2 25 ˜ 350 = 400 ˜ 105 NiZn Datasheet
4M2 140 ˜ 310 = 200 ˜ 105 NiZn Datasheet
8C11 1200 ˜ 310 = 200 ˜ 105 NiZn Datasheet
8C12 900 ˜ 260 = 125 ˜ 105 NiZn Datasheet
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