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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
P14/8-3H3

P14/8-3H3

Ferrite Misc

Ferroxcube

4,341
P14/8-3H3

Datasheet

- Bulk Active P P 14 x 8 0.563" (14.30mm) 2.15 µH ±25% 3H3 Ungapped 1350.0 - 0.789 19.8 Uncoated 25.1 495.0 19.8 0.165" (4.20mm) - -
ER41/7.6/32-3C96

ER41/7.6/32-3C96

FERRITE CORE ER 3C96

Ferroxcube

4,447
ER41/7.6/32-3C96

Datasheet

- Bulk Active ER ER 41 x 7.6 x 32 - - - 3C96 - - - - - Uncoated - - - 0.300" (7.60mm) 1.600" (40.64mm) 1.260" (32.00mm)
ER41/7.6/32-3F4

ER41/7.6/32-3F4

FERRITE CORE ER 3F4

Ferroxcube

4,215
ER41/7.6/32-3F4

Datasheet

- Bulk Active ER ER 41 x 7.6 x 32 - - - 3F4 - - - - - Uncoated - - - 0.300" (7.60mm) 1.600" (40.64mm) 1.260" (32.00mm)
B65807P0000R092

B65807P0000R092

FERRITE CORE RM 2.3UH N92 2PCS

EPCOS - TDK Electronics

2,733
B65807P0000R092

Datasheet

RM6 Box Active RM RM 6 LP - 2.3 µH -20%, +30% N92 Ungapped 1060.0 1500 0.58 21.8 Uncoated 37.5 820.0 31.2 0.177" (4.50mm) 0.701" (17.90mm) 0.323" (8.20mm)
0077140AY

0077140AY

KOOL MU 125 PERM AY 140 SIZE

Magnetics, a division of Spang & Co.

4,022
0077140AY

Datasheet

- Bulk Active Toroid - 0.140" (3.56mm) 26 nH ±15% Kool Mu Ungapped - 125 - 8.06 Uncoated 1.3 10.5 - 0.060" (1.52mm) - -
0077120AY

0077120AY

KOOL MU 125 PERM AY 120 SIZE

Magnetics, a division of Spang & Co.

2,911
0077120AY

Datasheet

- Bulk Active Toroid - 0.653" (16.59mm) 72 nH ±8% Kool Mu Ungapped - 125 - 41.2 Uncoated 19.2 791.0 - 0.250" (6.35mm) - -
0058033A2

0058033A2

HIGH FLUX 014 PERM KHAKI 030 SIZ

Magnetics, a division of Spang & Co.

1,487
0058033A2

Datasheet

- Bulk Active Toroid - 0.310" (7.87mm) 6 nH ±8% High Flux Ungapped - 14 - 17.9 Uncoated 5.99 107.0 - 0.125" (3.18mm) - -
RM10/I-3C91

RM10/I-3C91

FERRITE CORE RM 3C91 2PC SET

Ferroxcube

1,706
RM10/I-3C91

Datasheet

- Bulk Active RM RM 10 x 1 - - ±25% 3C91 Ungapped 2020.0 - 0.462 44.6 Uncoated 96.6 4310.0 89.1 0.729" (18.60mm) 1.122" (28.50mm) 0.531" (13.50mm)
RM10/I-3C94

RM10/I-3C94

FERRITE CORE RM 3C94 2PC SET

Ferroxcube

3,068
RM10/I-3C94

Datasheet

- Bulk Active RM RM 10 x 1 - - ±25% 3C94 Ungapped 1650.0 - 0.462 44.6 Uncoated 96.6 4310.0 89.1 0.729" (18.60mm) 1.122" (28.50mm) 0.531" (13.50mm)
RM10/I-3C90

RM10/I-3C90

Ferrite Misc

Ferroxcube

1,224
RM10/I-3C90

Datasheet

- Bulk Active RM RM 10 x 1 - 100 nH ±3% 3C90 Gapped 37.0 - 0.462 44.6 Uncoated 96.6 4310.0 89.1 0.729" (18.60mm) 1.122" (28.50mm) 0.531" (13.50mm)
EP20-3F3

EP20-3F3

Ferrite Misc

Ferroxcube

3,915
EP20-3F3

Datasheet

- Bulk Active EP EP 20 - 3.55 µH ±25% 3F3 Ungapped 1480.0 - 0.52 41.1 Uncoated 78.7 3230.0 60.8 0.421" (10.40mm) 0.945" (24.00mm) 0.591" (15.00mm)
ER18/3.2/10-3C97-S

ER18/3.2/10-3C97-S

FERRITE CORE ER 3C97 2PC SET

Ferroxcube

2,903
ER18/3.2/10-3C97-S

Datasheet

- Bulk Active ER ER 18 x 3.2 x 10 - - ±25% 3C97 Ungapped - - 0.73 22.1 Uncoated 30.2 667.0 30.1 0.382" (9.70mm) 0.709" (18.00mm) 0.124" (3.15mm)
ER18/3.2/10-3F36-S

ER18/3.2/10-3F36-S

FERRITE CORE ER 3F36 2PC SET

Ferroxcube

1,771
ER18/3.2/10-3F36-S

Datasheet

- Bulk Active ER ER 18 x 3.2 x 10 - - ±25% 3F36 Ungapped - - 0.73 22.1 Uncoated 30.2 667.0 30.1 0.382" (9.70mm) 0.709" (18.00mm) 0.124" (3.15mm)
ER18/3.2/10-3F46-S

ER18/3.2/10-3F46-S

FERRITE CORE ER 3F46 2PC SET

Ferroxcube

3,145
ER18/3.2/10-3F46-S

Datasheet

- Bulk Active ER ER 18 x 3.2 x 10 - - ±25% 3F46 Ungapped - - 0.73 22.1 Uncoated 30.2 667.0 30.1 0.382" (9.70mm) 0.709" (18.00mm) 0.124" (3.15mm)
B65807J0000R092

B65807J0000R092

FERRITE CORE RM N92

EPCOS - TDK Electronics

1,414
B65807J0000R092

Datasheet

RM6 Box Active RM RM 6 - - - N92 - - 1500 0.78 28.6 Uncoated 36.6 1050.0 31.0 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
B65517W0000R095

B65517W0000R095

FERRITE CORE N95

EPCOS - TDK Electronics

4,635
B65517W0000R095

Datasheet

P9/5 Box Active - P 9 x 5 0.366" (9.30mm) - - N95 - - 3000 1.13 13.4 Uncoated 11.9 159.0 9.3 0.106" (2.70mm) - -
E42/21/20-3F36-G200

E42/21/20-3F36-G200

FERRITE CORE E 3F36

Ferroxcube

1,933
E42/21/20-3F36-G200

Datasheet

- Bulk Active E E 42 x 21 x 20 - - - 3F36 - - - - - Uncoated - - - 0.827" (21.00mm) 1.693" (43.00mm) 0.787" (20.00mm)
B65803A0025A001

B65803A0025A001

RM4 K 1 25 +3% -3

EPCOS - TDK Electronics

2,762
B65803A0025A001

Datasheet

B65803 Tape & Reel (TR) Active RM RM 4 - 25 nH ±3% K1 Ungapped 37.8 - 1.9 21.0 Uncoated 11.0 231.0 - 0.177" (4.50mm) 0.433" (11.00mm) 0.181" (4.60mm)
HF42616UG

HF42616UG

DOUBLE SLAB CP W/HOLE

Magnetics, a division of Spang & Co.

3,011
HF42616UG

Datasheet

- Bulk Active ER - - 4.6 µH ±25% F Ungapped - 3000 - 39.0 Uncoated 72.1 2810.0 62.7 0.317" (8.05mm) 1.004" (25.50mm) 0.673" (17.09mm)
RP42316A400

RP42316A400

GAPPED RM CORE

Magnetics, a division of Spang & Co.

1,769
RP42316A400

Datasheet

- Bulk Active RM - - 400 nH - P Ungapped - 2500 - 35.5 Uncoated 52.0 1850.0 - 0.646" (16.40mm) 0.913" (23.20mm) 0.425" (10.80mm)
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