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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
NP41812A250

NP41812A250

GAPPED RM CORE

Magnetics, a division of Spang & Co.

1,883
NP41812A250

Datasheet

- Bulk Active RM - - 250 nH - P Ungapped - 2500 - 27.5 Uncoated 38.0 1040.0 - 0.488" (12.40mm) 0.701" (17.90mm) 0.275" (7.00mm)
RM5-3H3-A100/N

RM5-3H3-A100/N

Ferrite Misc

Ferroxcube

3,056
RM5-3H3-A100/N

Datasheet

- Bulk Active RM RM 5 - 100 nH ±3% 3H3 Gapped 80.0 - 1.01 21.4 Uncoated 21.2 450.0 14.8 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM5-3H3-A160/N

RM5-3H3-A160/N

Ferrite Misc

Ferroxcube

4,632
RM5-3H3-A160/N

Datasheet

- Bulk Active RM RM 5 - 160 nH ±3% 3H3 Gapped 129.0 - 1.01 21.4 Uncoated 21.2 450.0 14.8 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM5-3H3-A250/N

RM5-3H3-A250/N

Ferrite Misc

Ferroxcube

4,993
RM5-3H3-A250/N

Datasheet

- Bulk Active RM RM 5 - 250 nH ±3% 3H3 Gapped 201.0 - 1.01 21.4 Uncoated 21.2 450.0 14.8 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM5-3H3-A315/N

RM5-3H3-A315/N

Ferrite Misc

Ferroxcube

2,071
RM5-3H3-A315/N

Datasheet

- Bulk Active RM RM 5 - 315 nH ±3% 3H3 Gapped 253.0 - 1.01 21.4 Uncoated 21.2 450.0 14.8 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM5-3H3-A400/N

RM5-3H3-A400/N

Ferrite Misc

Ferroxcube

2,374
RM5-3H3-A400/N

Datasheet

- Bulk Active RM RM 5 - 400 nH ±5% 3H3 Gapped 321.0 - 1.01 21.4 Uncoated 21.2 450.0 14.8 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM10/ILP-3C90

RM10/ILP-3C90

FERRITE CORE RM 3C90 2PC SET

Ferroxcube

4,656
RM10/ILP-3C90

Datasheet

- Bulk Active RM RM 10 - - ±25% 3C90 Ungapped 1510.0 - 0.34 33.9 Uncoated 99.1 3360.0 89.1 0.512" (13.00mm) 1.122" (28.50mm) 0.531" (13.50mm)
ROD12/40-4B1

ROD12/40-4B1

FERRITE CORE ROD

Ferroxcube

3,161
ROD12/40-4B1

Datasheet

- Bulk Active ROD ROD 12 x 40 0.472" (12.00mm) - - - - - - - - Uncoated - - - - 1.575" (40.00mm) -
E42/21/20-3C95

E42/21/20-3C95

FERRITE CORE E 3C95

Ferroxcube

4,835
E42/21/20-3C95

Datasheet

- Bulk Active E E 42 x 21 x 20 - - - 3C95 - - - - - Uncoated - - - 0.827" (21.00mm) 1.693" (43.00mm) 0.787" (20.00mm)
EQ38/8/25-3F36

EQ38/8/25-3F36

FERRITE CORE EQ 3F36

Ferroxcube

1,693
EQ38/8/25-3F36

Datasheet

- Bulk Active EQ EQ 38 x 8 x 25 - - - 3F36 - - - - - Uncoated - - - 0.315" (8.00mm) 1.500" (38.10mm) 1.000" (25.40mm)
EQ38/8/25-3F4-A250

EQ38/8/25-3F4-A250

Ferrite Misc

Ferroxcube

4,961
EQ38/8/25-3F4-A250

Datasheet

EQ38/8/25 Bulk Active EQ EQ 38 x 8 x 25 - 250 nH ±3% 3F4 Gapped 68.0 - 0.341 51.9 Uncoated 152.0 7900.0 119.0 0.315" (8.00mm) 1.500" (38.10mm) 1.000" (25.40mm)
EQ38/8/25-3C96-A250

EQ38/8/25-3C96-A250

Ferrite Misc

Ferroxcube

2,725
EQ38/8/25-3C96-A250

Datasheet

- Bulk Active EQ EQ 38 x 8 x 25 - 250 nH ±3% 3C96 Gapped 68.0 - 0.341 51.9 Uncoated 119.0 7900.0 119.0 0.209" (5.30mm) 1.500" (38.10mm) 1.000" (25.40mm)
ER18/3.2/10-3C92-S

ER18/3.2/10-3C92-S

FERRITE CORE ER 3C92 2PC SET

Ferroxcube

1,745
ER18/3.2/10-3C92-S

Datasheet

- Bulk Active ER ER 18 x 3.2 x 10 - - ±25% 3C92 Ungapped - - 0.73 22.1 Uncoated 30.2 667.0 30.1 0.382" (9.70mm) 0.709" (18.00mm) 0.124" (3.15mm)
P11/7-3C95

P11/7-3C95

FERRITE CORE P 2.05UH 3C95 2PC

Ferroxcube

3,550
P11/7-3C95

Datasheet

- Bulk Active P P 11 x 7 0.437" (11.10mm) 2.05 µH ±25% 3C95 Ungapped 1560.0 - 0.956 15.5 Uncoated 16.2 251.0 13.2 0.256" (6.50mm) - -
B65805P0000R092

B65805P0000R092

FERRITE CORE RM 1.9UH N92 2PCS

EPCOS - TDK Electronics

3,517
B65805P0000R092

Datasheet

RM5/LP Box Active RM RM 5 LP - 1.9 µH -20%, +30% N92 Ungapped 1080.0 1500 0.71 17.5 Uncoated 24.5 430.0 18.0 0.154" (3.90mm) 0.575" (14.60mm) 0.268" (6.80mm)
B66363U0400D197

B66363U0400D197

ETD39/20/13 N97 AL400NH+8%/-8%

EPCOS - TDK Electronics

1,933
B66363U0400D197

Datasheet

- Tray Active - - - - - - - - - - - - - - - - - -
0R43230UG

0R43230UG

PQ CORE

Magnetics, a division of Spang & Co.

2,116
0R43230UG

Datasheet

- Bulk Active PQ - - 4.667 µH - R Ungapped - 2300 - 74.7 Uncoated 167.0 12500.0 90.5 0.596" (15.15mm) 1.299" (33.00mm) 0.866" (22.00mm)
0T44444EC

0T44444EC

ETD CORE

Magnetics, a division of Spang & Co.

3,781
0T44444EC

Datasheet

- Bulk Active ETD - - 4.64 µH ±25% T Ungapped - 3000 - 103.0 Uncoated 173.0 17800.0 172.0 0.878" (22.30mm) 1.772" (45.00mm) 0.598" (15.20mm)
PP42120UG

PP42120UG

EP CORE

Magnetics, a division of Spang & Co.

3,559
PP42120UG

Datasheet

- Bulk Active EP - - 4.6 µH - P Ungapped - 2500 - 41.1 Uncoated 78.7 3230.0 60.0 0.843" (21.40mm) 0.945" (24.00mm) 0.591" (15.00mm)
0T42625UG

0T42625UG

PQ CORE

Magnetics, a division of Spang & Co.

1,452
0T42625UG

Datasheet

- Bulk Active PQ - - 6.01 µH ±25% T Ungapped - 3000 - 54.3 Uncoated 120.0 6530.0 108.0 0.243" (6.18mm) 1.075" (27.30mm) 0.748" (19.00mm)
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