Home > Products > Magnetics - Transformer, Inductor Components > Ferrite Cores
Manufacturer Packaging Series ProductStatus CoreType Material Diameter InductanceFactor(Al) Tolerance Gap EffectivePermeability(µe) InitialPermeability(µi) CoreFactor(ΣI/A)mm-1 EffectiveLength(le)mm EffectiveArea(Ae)mm² MinimumCoreCrossSection(Amin)mm² EffectiveMagneticVolume(Ve)mm³ Finish Height Length



































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Stock Price Quantity Datasheet Packaging Series ProductStatus CoreType Material Diameter InductanceFactor(Al) Tolerance Gap EffectivePermeability(µe) InitialPermeability(µi) CoreFactor(ΣI/A)mm-1 EffectiveLength(le)mm EffectiveArea(Ae)mm² MinimumCoreCrossSection(Amin)mm² EffectiveMagneticVolume(Ve)mm³ Finish Height Length
B65738J0000R087

B65738J0000R087

FERRITE CORES

EPCOS - TDK Electronics

3954 QRF
- +

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B65738J0000R087

Datasheet

Box PTS23/18 Active - - N87 - - - - - 2200 0.62 45.1 73.1 67.4 3293 Uncoated 0.362 (9.20mm)
B65803N0040A033

B65803N0040A033

FERRITE CORE RM 40NH M33 2PCS

EPCOS - TDK Electronics

3944 QRF
- +

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B65803N0040A033

Datasheet

Box RM4 Active RM RM 4 M33 - 40 nH ±3% Gapped 60.4 750 1.9 21 11 - 231 Uncoated 0.207 (5.25mm)
9578424402

9578424402

78 EER CORE SET

Fair-Rite Products Corp.

3860 QRF
- +

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9578424402

Datasheet

Bulk - Active EER - 78 - - ±25% Ungapped - 2300 52 97.9 187 181 18260 Uncoated 0.866 (22.00mm)
B66341G0000X187

B66341G0000X187

FERRITE CORES

EPCOS - TDK Electronics

3468 QRF
- +

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B66341G0000X187

Datasheet

Box EC52/24/14 Active EC EC 52 x 24 x 14 N87 - - - - - 2200 0.58 105 180 141 18900 Uncoated 0.959 (24.35mm)
B65811J0250A057

B65811J0250A057

FERRITE CORE

EPCOS - TDK Electronics

3760 QRF
- +

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B65811J0250A057

Datasheet

Box RM8 Active RM - - - - - Gapped - - - - - - - Uncoated -
B64290L0657X038

B64290L0657X038

FERRITE CORE TOROID 10.6UH T38

EPCOS - TDK Electronics

2396 QRF
- +

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B64290L0657X038

Datasheet

Box TX30/20/12 Active Toroid - T38 1.264 (32.10mm) 10.6 µH ±30% Ungapped - 10000 1.19 77.02 64.66 - 4980 Epoxy 0.531 (13.50mm)
E42/33/20-3F36-G500

E42/33/20-3F36-G500

E CORES

Ferroxcube

2700 QRF
- +

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E42/33/20-3F36-G500

Datasheet

Bulk - Active E E 42 x 33 x 20 3F36 - - - - - - - - - - - Uncoated 1.291 (32.80mm)
9598424402

9598424402

98 EER CORE SET

Fair-Rite Products Corp.

2310 QRF
- +

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9598424402

Datasheet

Bulk - Active EER - - - - ±25% Ungapped - 2400 52 97.9 187 181 18260 Uncoated 0.866 (22.00mm)
B66483K0000X197

B66483K0000X197

I 20/2.3/14 N97 UNGAPPED

EPCOS - TDK Electronics

3453 QRF
- +

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B66483K0000X197

Datasheet

Box I20/2.3/14 Active - I 20 x 2.3 x 14 N97 - 3.77 µH ±25% Ungapped 1260 - 0.42 25.1 59.8 55 1500 Uncoated 0.091 (2.30mm)
B66365G0500X127

B66365G0500X127

FERRITE CORE ETD N27 1PC

EPCOS - TDK Electronics

2333 QRF
- +

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B66365G0500X127

Datasheet

Box ETD44/22/15 Active ETD ETD 44 x 22 x 15 N27 - - - Gapped - - - - - - - Uncoated 0.886 (22.50mm)
B66365G1000X127

B66365G1000X127

FERRITE CORE ETD N27 1PC

EPCOS - TDK Electronics

3306 QRF
- +

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B66365G1000X127

Datasheet

Box ETD44/22/15 Active ETD ETD 44 x 22 x 15 N27 - - - Gapped - - - - - - - Uncoated 0.886 (22.50mm)
B66365G1500X127

B66365G1500X127

FERRITE CORE ETD N27 1PC

EPCOS - TDK Electronics

3533 QRF
- +

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B66365G1500X127

Datasheet

Box ETD44/22/15 Active ETD ETD 44 x 22 x 15 N27 - - - Gapped - - - - - - - Uncoated 0.886 (22.50mm)
B65519D0000R001

B65519D0000R001

FERRITE CORE

EPCOS - TDK Electronics

3746 QRF
- +

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Box P9/7 Active - - - - - - - - - - - - - - - -
B65811J0000R048

B65811J0000R048

FERRITE CORE

EPCOS - TDK Electronics

2130 QRF
- +

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B65811J0000R048

Datasheet

Box RM8 Active RM - - - - - Ungapped - - - - - - - Uncoated -
B65517T0025A001

B65517T0025A001

FERRITE CORE P 25NH K1 2PCS

EPCOS - TDK Electronics

3413 QRF
- +

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B65517T0025A001

Datasheet

Box P9/5 Active P (Pot Core) P 9 x 5 K1 0.366 (9.30mm) 25 nH ±3% Gapped 25 80 1.25 12.5 10 - 125 Uncoated 0.106 (2.70mm)
ETD54/28/19-3C95-G200

ETD54/28/19-3C95-G200

ER AND ETD CORES

Ferroxcube

2676 QRF
- +

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ETD54/28/19-3C95-G200

Datasheet

Bulk - Active ETD ETD 54 x 28 x 19 3C95 - - - - - - - - - - - Uncoated 1.087 (27.60mm)
B65813J0160A041

B65813J0160A041

FERRITE CORE

EPCOS - TDK Electronics

3139 QRF
- +

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B65813J0160A041

Datasheet

Box RM10 Active RM RM 10 N41 - - - Gapped - 2800 0.45 44 98 90 4310 Uncoated 0.368 (9.35mm)
B65813J0400A041

B65813J0400A041

FERRITE CORE

EPCOS - TDK Electronics

3668 QRF
- +

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B65813J0400A041

Datasheet

Box RM10 Active RM RM 10 N41 - - - Gapped - 2800 0.45 44 98 90 4310 Uncoated 0.368 (9.35mm)
B65845J0000R030

B65845J0000R030

FERRITE CORE EP 4.3UH N30 2PCS

EPCOS - TDK Electronics

2923 QRF
- +

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B65845J0000R030

Datasheet

Box EP17 Active EP EP 17 N30 - 4.3 µH -20%, +30% Ungapped 2870 4300 0.84 28.5 33.9 25.5 966 Uncoated 0.335 (8.50mm)
B66365A0330J087

B66365A0330J087

FERRITE CORE

EPCOS - TDK Electronics

3612 QRF
- +

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Box ETD44/22/15 Active - - - - - - Gapped - - - - - - - - -
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  • EA-CHIP INDUSTRY CO., LIMITED