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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
0079448A7

0079448A7

KOOL MU MAX 026 PERM BLACK 454 S

Magnetics, a division of Spang & Co.

1,447
0079448A7

Datasheet

- Bulk Active Toroid - 1.689" (42.90mm) 47 nH ±8% Kool Mu MAX Ungapped - 26 - 102.0 Uncoated 147.5 15100.0 - 0.640" (16.26mm) - -
0076448A7

0076448A7

KOOL MU HF 026 PERM BLACK 454 SI

Magnetics, a division of Spang & Co.

3,376
0076448A7

Datasheet

- Bulk Active Toroid - 1.689" (42.90mm) 47 nH ±8% Kool Mµ Ungapped - 26 - 102.0 Uncoated 147.5 15100.0 - 0.640" (16.26mm) - -
ZR44916TC

ZR44916TC

TOROID-GREY COATED

Magnetics, a division of Spang & Co.

3,541
ZR44916TC

Datasheet

- Bulk Active Toroid - 1.977" (50.22mm) 2.71 µH ±25% R Ungapped - 2300 - 127.0 Epoxy 118.0 15010.0 - 0.655" (16.64mm) - -
RM12/I-3F36-A400

RM12/I-3F36-A400

FERRITE CORE RM 400NH 3F36 2PC

Ferroxcube

2,576
RM12/I-3F36-A400

Datasheet

- Bulk Active RM RM 12 - 400 nH ±3% 3F36 Gapped 123.0 - 0.388 56.6 Uncoated 146.0 8340.0 125.0 0.965" (24.50mm) 1.472" (37.40mm) 0.634" (16.10mm)
RM12/I-3F36-A630

RM12/I-3F36-A630

FERRITE CORE RM 630NH 3F36 2PC

Ferroxcube

1,260
RM12/I-3F36-A630

Datasheet

- Bulk Active RM RM 12 - 630 nH ±3% 3F36 Gapped 194.0 - 0.388 56.6 Uncoated 146.0 8340.0 125.0 0.965" (24.50mm) 1.472" (37.40mm) 0.634" (16.10mm)
ER51/10/38-3C97

ER51/10/38-3C97

FERRITE CORE ER 3C97

Ferroxcube

1,572
ER51/10/38-3C97

Datasheet

- Bulk Active ER ER 51 x 10 x 38 - - - 3C97 - - - - - Uncoated - - - 0.400" (10.16mm) 2.008" (51.00mm) 1.500" (38.10mm)
ER51/10/38-3F36

ER51/10/38-3F36

FERRITE CORE ER 3F36

Ferroxcube

3,079
ER51/10/38-3F36

Datasheet

- Bulk Active ER ER 51 x 10 x 38 - - - 3F36 - - - - - Uncoated - - - 0.400" (10.16mm) 2.008" (51.00mm) 1.500" (38.10mm)
B66506P0000X195

B66506P0000X195

FERRITE CORE I N95 1PC

EPCOS - TDK Electronics

1,682
B66506P0000X195

Datasheet

I30/2.7/20 Box Active I I 30 x 3 - - - N95 Ungapped - - - - Uncoated - - - 0.106" (2.70mm) 1.181" (30.00mm) 0.787" (20.00mm)
0055114AY

0055114AY

MPP 173 PERM AY 120 SIZE

Magnetics, a division of Spang & Co.

2,170
0055114AY

Datasheet

- Bulk Active Toroid - 0.653" (16.59mm) 104 nH ±8% MPP Ungapped - 173 - 41.2 Uncoated 19.2 791.0 - 0.250" (6.35mm) - -
0075212A7

0075212A7

75 SERIES 040 PERM BLACK 109 SIZ

Magnetics, a division of Spang & Co.

4,808
0075212A7

Datasheet

- Bulk Active Toroid - 2.250" (57.15mm) 50 nH ±8% 75 Ungapped - 40 - 143.0 Uncoated 144.0 20700.0 - 0.550" (13.97mm) - -
0075111A7

0075111A7

75 SERIES 026 PERM BLACK 109 SIZ

Magnetics, a division of Spang & Co.

4,528
0075111A7

Datasheet

- Bulk Active Toroid - 2.250" (57.15mm) 33 nH ±8% 75 Ungapped - 26 - 143.0 Uncoated 144.0 20700.0 - 0.585" (14.86mm) - -
0075110A7

0075110A7

75 SERIES 060 PERM BLACK 109 SIZ

Magnetics, a division of Spang & Co.

3,219
0075110A7

Datasheet

- Bulk Active Toroid - 2.250" (57.15mm) 75 nH ±8% 75 Ungapped - 60 - 143.0 Uncoated 144.0 20700.0 - 0.550" (13.97mm) - -
B64290L0668X065

B64290L0668X065

FERRITE CORE TOROID 8.8UH T65

EPCOS - TDK Electronics

1,511
B64290L0668X065

Datasheet

TX38/19/13 Box Active Toroid - 1.551" (39.40mm) 8.8 µH ±30% T65 Ungapped - 5000 0.71 82.97 Epoxy 116.2 9644.0 - 0.543" (13.80mm) - -
UR48/39/17-3C90

UR48/39/17-3C90

FERRITE CORE UR 3C90

Ferroxcube

4,896
UR48/39/17-3C90

Datasheet

- Bulk Active UR UR 48 x 39 x 17 - - - 3C90 - - - - - Uncoated - - - 1.551" (39.40mm) 1.890" (48.00mm) 0.669" (17.00mm)
B66395G0200X187

B66395G0200X187

FERRITE CORE ETD N87 1PC

EPCOS - TDK Electronics

2,949
B66395G0200X187

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)
B66395U0160A187

B66395U0160A187

FERRITE CORE

EPCOS - TDK Electronics

3,055
B66395U0160A187

Datasheet

ETD54/28/19 Box Active - - - - - - Gapped - - - - - - - - - - -
0055117AY

0055117AY

MPP 200 PERM AY 120 SIZE

Magnetics, a division of Spang & Co.

1,432
0055117AY

Datasheet

- Bulk Active Toroid - 0.653" (16.59mm) 115 nH ±8% MPP Ungapped - 200 - 41.2 Uncoated 19.2 791.0 - 0.250" (6.35mm) - -
00K6533U026

00K6533U026

KOOL MU 6533 U CORE

Magnetics, a division of Spang & Co.

4,994
00K6533U026

Datasheet

- Bulk Active U - - 82 nH ±8% Kool Mu Ungapped - 26 - 199.0 Uncoated 250.0 49750.0 - 1.280" (32.51mm) 2.618" (66.50mm) 0.788" (20.02mm)
UR64/40/20-D-3C90

UR64/40/20-D-3C90

FERRITE CORE UR 3C90

Ferroxcube

3,677
UR64/40/20-D-3C90

Datasheet

- Bulk Active UR UR 64 x 40 x 20 - - - 3C90 - - - - - Uncoated - - - 1.575" (40.00mm) 2.520" (64.00mm) 0.787" (20.00mm)
RM12/ILP-3F36-E250

RM12/ILP-3F36-E250

FERRITE CORE RM 250NH 3F36 2PC

Ferroxcube

2,400
RM12/ILP-3F36-E250

Datasheet

- Bulk Active RM RM 12 - 250 nH ±3% 3F36 Gapped 56.0 - 0.388 42.0 Uncoated 148.0 6200.0 125.0 0.965" (24.50mm) 1.472" (37.40mm) 0.634" (16.10mm)
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