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Ferrite Cores

Manufacturer Series Packaging Part Status Core Type Supplier Device Package Diameter Inductance Factor (Al) Tolerance Material Gap Effective Permeability (µe) Initial Permeability (µi) Core Factor (ΣI/A) mm⁻¹ Effective Length (le) mm Finish Effective Area (Ae) mm² Effective Magnetic Volume (Ve) mm³ Minimum Core Cross Section (Amin) mm² Height Length 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Part Status Core Type Supplier Device Package Diameter Inductance Factor (Al) Tolerance Material Gap Effective Permeability (µe) Initial Permeability (µi) Core Factor (ΣI/A) mm⁻¹ Effective Length (le) mm Finish Effective Area (Ae) mm² Effective Magnetic Volume (Ve) mm³ Minimum Core Cross Section (Amin) mm² Height Length Width
B65877A0000R049

B65877A0000R049

FERRITE CORE PQ 3.3UH N49 2PCS

EPCOS - TDK Electronics

339
B65877A0000R049

Datasheet

PQ26/25 Box Active PQ PQ 26 x 25 - 3.3 µH -20%, +30% N49 Ungapped 1235.0 1500 0.44 53.6 Uncoated 122.0 6530.0 108.7 0.487" (12.38mm) 1.043" (26.50mm) 0.748" (19.00mm)
B65887P0000R087

B65887P0000R087

FERRITE CORE RM 7.1UH N87

EPCOS - TDK Electronics

207
B65887P0000R087

Datasheet

RM14/LP Box Active RM - - 7.1 µH -20%, +30% N87 Ungapped 1430.0 2200 0.25 50.9 Uncoated 201.0 10230.0 170.0 - 1.661" (42.20mm) 0.748" (19.00mm)
B66395G2000X187

B66395G2000X187

FERRITE CORE ETD N87 1PC

EPCOS - TDK Electronics

199
B66395G2000X187

Datasheet

ETD54/28/19 Box Active ETD ETD 54 x 28 x 19 - - - N87 Gapped - - - - Uncoated - - - 1.094" (27.80mm) 2.156" (54.50mm) 0.760" (19.30mm)
B66344Q0400K187

B66344Q0400K187

FERRITE CORE E 400NH N87

EPCOS - TDK Electronics

200
B66344Q0400K187

Datasheet

E55/28/25 Tray Active E E 55 x 28 x 25 - 400 nH ±10% N87 Distributed Gapped - - 0.3 124.0 Uncoated 420.0 52100.0 420.0 0.984" (25.00mm) 2.165" (55.00mm) 1.094" (27.80mm)
5978018601

5978018601

FERRITE CORE TOROID 78

Fair-Rite Products Corp.

119
5978018601

Datasheet

- Bulk Active Toroid - - - ±25% 78 Ungapped - 2300 - 98.0 Uncoated 178.0 17500.0 - - - -
PC95PQ26/20Z-12

PC95PQ26/20Z-12

FERRITE CORE PQ 7.47UH PCS95 2PC

TDK Corporation

124
PC95PQ26/20Z-12

Datasheet

PQ Tray Active PQ PQ 26 x 20 - 7.47 µH ±25% PC95 Ungapped - - 0.39 46.3 Uncoated 119.0 5490.0 - 0.793" (20.15mm) 1.043" (26.50mm) 0.748" (19.00mm)
PLT64/50/5-3C92

PLT64/50/5-3C92

FERRITE CORE PLT 3C92

Ferroxcube

600
PLT64/50/5-3C92

Datasheet

- Bulk Active PLT PLT 64 x 50 x 5 - - - 3C92 - - - - - Uncoated - - - 0.200" (5.08mm) 2.520" (64.00mm) 0.228" (5.80mm)
E65/32/27-3C92

E65/32/27-3C92

FERRITE CORE E 3C92

Ferroxcube

243
E65/32/27-3C92

Datasheet

- Bulk Active E E 65 x 32 x 27 - - - 3C92 - - - - - Uncoated - - - 1.291" (32.80mm) 2.559" (65.00mm) 1.079" (27.40mm)
B65881A0000R087

B65881A0000R087

FERRITE CORE PQ 4.5UH N87 2PCS

EPCOS - TDK Electronics

419
B65881A0000R087

Datasheet

PQ35/35 Box Active PQ PQ 35 x 35 - 4.5 µH -20%, +30% N87 Ungapped 1670.0 2200 0.467 79.2 Uncoated 169.7 13440.0 146.5 0.685" (17.40mm) 1.382" (35.10mm) 1.024" (26.00mm)
B66397Q0250K195

B66397Q0250K195

FERRITE CORE ETD 250NH N95

EPCOS - TDK Electronics

170
B66397Q0250K195

Datasheet

ETD59/31/22 Bulk Active ETD ETD 59 x 31 x 22 - 250 nH ±10% N95 Distributed Gapped - - 0.38 139.0 Uncoated 368.0 51200.0 368.0 0.870" (22.10mm) 2.354" (59.80mm) 0.870" (22.10mm)
B66397Q0250K187

B66397Q0250K187

FERRITE CORE ETD 250NH N87

EPCOS - TDK Electronics

108
B66397Q0250K187

Datasheet

ETD59/31/22 Bulk Active ETD ETD 59 x 31 x 22 - 250 nH ±10% N87 Distributed Gapped - - 0.38 139.0 Uncoated 368.0 51200.0 368.0 0.870" (22.10mm) 2.354" (59.80mm) 0.870" (22.10mm)
7878400721

7878400721

FERRITE CORE E 78 SET

Fair-Rite Products Corp.

149
7878400721

Datasheet

- Bulk Active E - - - ±25% 78 Ungapped - 2300 14.0 70.0 Uncoated 518.0 36300.0 515.0 0.407" (10.34mm) 2.520" (64.00mm) 2.008" (51.00mm)
B66397Q0100K195

B66397Q0100K195

FERRITE CORE ETD 100NH N95

EPCOS - TDK Electronics

137
B66397Q0100K195

Datasheet

ETD59/31/22 Bulk Active ETD ETD 59 x 31 x 22 - 100 nH ±10% N95 Distributed Gapped - - 0.38 139.0 Uncoated 368.0 51200.0 368.0 0.870" (22.10mm) 2.354" (59.80mm) 0.870" (22.10mm)
B65887P0000R092

B65887P0000R092

FERRITE CORE RM N92

EPCOS - TDK Electronics

140
B65887P0000R092

Datasheet

RM14/LP Box Active RM - - - -20%, +30% N92 Ungapped 1090.0 1500 0.25 50.9 Uncoated 201.0 10230.0 170.0 - 1.661" (42.20mm) 0.748" (19.00mm)
B64290L0042X037

B64290L0042X037

FERRITE CORE TOROID 8UH T37

EPCOS - TDK Electronics

181
B64290L0042X037

Datasheet

TX58.3/40.8/20.2 Box Active Toroid - 2.366" (60.10mm) 8 µH ±25% T37 Ungapped - 5600 0.87 152.4 Epoxy 174.9 26660.0 - 0.846" (21.50mm) - -
PC95PQ60/42-Z

PC95PQ60/42-Z

FERRITE CORE PQ 14.3UH PCS95 2PC

TDK Corporation

360
PC95PQ60/42-Z

Datasheet

Large PQ Tray Active PQ PQ 60 x 42 - 14.3 µH ±25% PC95 Ungapped - - 0.2 98.1 Uncoated 483.0 47360.0 - 1.634" (41.50mm) 2.323" (59.00mm) 1.535" (39.00mm)
B65686A0000R027

B65686A0000R027

FERRITE CORE PM 10UH N27 2PCS

EPCOS - TDK Electronics

3,413
B65686A0000R027

Datasheet

PM74/59 Box Active PM PM 74 x 59 2.913" (74.00mm) 10 µH -20%, +30% N27 Ungapped 1290.0 2000 0.162 128.0 Uncoated 790.0 101000.0 630.0 1.161" (29.50mm) - -
2673079901

2673079901

FERRITE

Fair-Rite Products Corp.

9,490
2673079901

Datasheet

- Bulk Active - - - - - - - - - - - - - - - - - -
4052098411

4052098411

FERRITE CORE ROD 52

Fair-Rite Products Corp.

7,600
4052098411

Datasheet

- Bulk Active ROD - - - - 52 Ungapped - 250 - - Uncoated - - - - - -
2643003701

2643003701

FERRITE CORE 40OHM SOLID 1.30MM

Fair-Rite Products Corp.

4,920
2643003701

Datasheet

- Bulk Active - - - - - - - - - - - - - - - - - -
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