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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
RM4/I-3F3

RM4/I-3F3

Ferrite Misc

Ferroxcube

1,145
RM4/I-3F3

Datasheet

- Bulk Active RM RM 4 - 950 nH ±25% 3F3 Ungapped 1280.0 - 1.69 23.3 Uncoated 13.8 322.0 11.5 0.205" (5.20mm) 0.433" (11.00mm) 0.181" (4.60mm)
B66283U0315E149

B66283U0315E149

FERRITE CORE

EPCOS - TDK Electronics

4,371
B66283U0315E149

Datasheet

ELP18/4/10 Box Active - - - - - - Gapped - - - - - - - - - - -
B64290L0719X035

B64290L0719X035

FERRITE CORE TOROID 4UH T35

EPCOS - TDK Electronics

1,419
B64290L0719X035

Datasheet

TX22/14/7.9 Box Active Toroid - 0.917" (23.30mm) 4 µH ±25% T35 Ungapped - 5300 1.66 54.2 Epoxy 32.6 1763.0 - 0.354" (9.00mm) - -
EFD10/5/3-3F36-A63-S

EFD10/5/3-3F36-A63-S

FERRITE CORE EFD 63NH 3F36 2PC

Ferroxcube

4,985
EFD10/5/3-3F36-A63-S

Datasheet

- Bulk Active EFD EFD 10 x 5 x 3 - 63 nH ±8% 3F36 Gapped 165.0 - 3.29 23.7 Uncoated 7.2 171.0 6.5 0.205" (5.20mm) 0.413" (10.50mm) 0.106" (2.70mm)
EFD10/5/3-3F46-A63-S

EFD10/5/3-3F46-A63-S

FERRITE CORE EFD 63NH 3F46 2PC

Ferroxcube

3,670
EFD10/5/3-3F46-A63-S

Datasheet

- Bulk Active EFD EFD 10 x 5 x 3 - 63 nH ±8% 3F46 Gapped 165.0 - 3.29 23.7 Uncoated 7.2 171.0 6.5 0.205" (5.20mm) 0.413" (10.50mm) 0.106" (2.70mm)
TX25/15/13-3E27

TX25/15/13-3E27

FERRITE CORE TOROID 3E+27

Ferroxcube

2,392
TX25/15/13-3E27

Datasheet

- Bulk Active Toroid TX 25 x 15 x 13 1.007" (25.95mm) - ±25% 3E27 Ungapped 5500.0 - 0.97 60.1 Epoxy 62.1 3740.0 - 0.539" (13.70mm) - -
B65517D0200A048

B65517D0200A048

FERRITE CORE P 200NH N48 2PCS

EPCOS - TDK Electronics

3,952
B65517D0200A048

Datasheet

P9/5 Box Active P (Pot Core) P 9 x 5 0.366" (9.30mm) 200 nH ±3% N48 Gapped 200.0 - 1.25 12.5 Uncoated 10.0 125.0 - 0.106" (2.70mm) - -
EFD15/8/5-3F46-A100-S

EFD15/8/5-3F46-A100-S

FERRITE CORE EFD 100NH 3F46 2PC

Ferroxcube

3,586
EFD15/8/5-3F46-A100-S

Datasheet

- Bulk Active EFD EFD 15 x 8 x 5 - 100 nH ±6% 3F46 Gapped 180.0 - 2.27 34.0 Uncoated 15.0 510.0 12.2 0.295" (7.50mm) 0.591" (15.00mm) 0.183" (4.65mm)
EFD15/8/5-3F46-A63-S

EFD15/8/5-3F46-A63-S

FERRITE CORE EFD 63NH 3F46 2PC

Ferroxcube

1,073
EFD15/8/5-3F46-A63-S

Datasheet

- Bulk Active EFD EFD 15 x 8 x 5 - 63 nH ±4% 3F46 Gapped 114.0 - 2.27 34.0 Uncoated 15.0 510.0 12.2 0.295" (7.50mm) 0.591" (15.00mm) 0.183" (4.65mm)
B64290A0045X001

B64290A0045X001

FERRITE CORE TOROID

EPCOS - TDK Electronics

1,609
B64290A0045X001

Datasheet

T16/9.6/6.3 Box Active Toroid - - - - - Ungapped - - - - Uncoated - - - - - -
EFD12/6/3.5-3F3-S

EFD12/6/3.5-3F3-S

Ferrite Misc

Ferroxcube

3,827
EFD12/6/3.5-3F3-S

Datasheet

- Bulk Active EFD EFD 12 x 6 x 3.5 - 700 nH ±25% 3F3 Ungapped 1370.0 - 2.5 28.5 Uncoated 11.4 325.0 10.7 0.244" (6.20mm) 0.492" (12.50mm) 0.138" (3.50mm)
9478204002

9478204002

FERRITE CORE E 78 SET

Fair-Rite Products Corp.

1,310
9478204002

Datasheet

- Bulk Active E - - - ±25% 78 Ungapped - 2300 32.0 41.7 Uncoated 129.0 5380.0 127.0 0.250" (6.35mm) 1.250" (31.75mm) 0.801" (20.35mm)
0R42614UG

0R42614UG

PQ CORE

Magnetics, a division of Spang & Co.

2,066
0R42614UG

Datasheet

- Bulk Active PQ - - 5.613 µH - R Ungapped - 2300 - 33.3 Uncoated 86.4 2880.0 70.9 0.117" (2.97mm) 1.071" (27.20mm) 0.748" (19.00mm)
0R42521EC

0R42521EC

ER CORE

Magnetics, a division of Spang & Co.

1,403
0R42521EC

Datasheet

- Bulk Active ER - - 5.44 µH - R Ungapped - 2300 - 41.4 Uncoated 100.0 4145.0 95.0 0.315" (8.00mm) 0.984" (25.00mm) 0.709" (18.00mm)
EQK3222E040L180

EQK3222E040L180

KOOL MU 040 PERM EQ 3222 SIZE

Magnetics, a division of Spang & Co.

3,816
EQK3222E040L180

Datasheet

- Bulk Active - - - - - - - - - - - - - - - - - -
ZM42212TC

ZM42212TC

TOROID EPOXY COATED

Magnetics, a division of Spang & Co.

1,870
ZM42212TC

Datasheet

- Bulk Active Toroid - 0.908" (23.07mm) 17.313 µH ±30% M Ungapped - 15000 - 54.1 Epoxy 52.3 2834.0 - 0.530" (13.46mm) - -
0P44308EC

0P44308EC

E-SHAPE CORE

Magnetics, a division of Spang & Co.

4,903
0P44308EC

Datasheet

- Bulk Active Planar E - - 9.15 µH - P Ungapped - 2500 - 57.5 Uncoated 227.0 13100.0 227.0 0.335" (8.50mm) 1.701" (43.20mm) 1.098" (27.90mm)
C058049A2

C058049A2

HIGH FLUX 147 PERM KHAKI 050 SIZ

Magnetics, a division of Spang & Co.

1,906
C058049A2

Datasheet

- Bulk Active Toroid - 0.530" (13.45mm) 67 nH ±8% High Flux Ungapped - 147 - 31.2 Coated 10.9 340.0 - 0.217" (5.51mm) - -
EQK3626E026L174

EQK3626E026L174

KOOL MU 026 PERM EQ 3626 SIZE

Magnetics, a division of Spang & Co.

1,822
EQK3626E026L174

Datasheet

- Bulk Active EQ - - 75 nH ±8% Kool Mu Ungapped - 26 - 94.7 Uncoated 181.0 17122.0 - 0.685" (17.40mm) 1.417" (36.00mm) 1.024" (26.00mm)
0W41811UG

0W41811UG

POT CORE

Magnetics, a division of Spang & Co.

2,391
0W41811UG

Datasheet

- Bulk Active P - 0.709" (18.00mm) 12 µH - W Ungapped - 10000 - 25.8 Uncoated 43.3 1120.0 36.0 0.209" (5.30mm) - -
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