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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
RM5/I-3C94-A125

RM5/I-3C94-A125

Ferrite Misc

Ferroxcube

3,358
RM5/I-3C94-A125

Datasheet

- Bulk Active RM RM 5 - 125 nH - 3C94 Gapped - - 0.935 23.2 Uncoated 24.8 574.0 18.1 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM5/I-3C94-A315

RM5/I-3C94-A315

Ferrite Misc

Ferroxcube

1,071
RM5/I-3C94-A315

Datasheet

RM5/I Bulk Active RM RM 5 - 2 µH ±25% 3C94 Gapped - - 0.935 23.2 Uncoated 24.8 574.0 18.1 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM5/I-3C94-A250

RM5/I-3C94-A250

Ferrite Misc

Ferroxcube

2,283
RM5/I-3C94-A250

Datasheet

- Bulk Active RM RM 5 - 250 nH ±3% 3C94 Gapped 186.0 - 0.935 23.2 Uncoated 24.8 574.0 18.1 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
RM5/I-3C92-A100

RM5/I-3C92-A100

Ferrite Misc

Ferroxcube

3,202
RM5/I-3C92-A100

Datasheet

- Bulk Active RM RM 5 - 100 nH - 3C92 Gapped - - 0.935 23.2 Uncoated 24.8 574.0 18.1 0.205" (5.20mm) 0.587" (14.90mm) 0.268" (6.80mm)
EP13-3F3-E40

EP13-3F3-E40

Ferrite Misc

Ferroxcube

4,163
EP13-3F3-E40

Datasheet

- Bulk Active EP EP 13 - 40 nH ±3% 3F3 Gapped 40.0 - 1.24 24.2 Uncoated 19.5 472.0 14.9 0.256" (6.50mm) 0.504" (12.80mm) 0.354" (9.00mm)
B66586G0000X187

B66586G0000X187

FERRITE CORE

EPCOS - TDK Electronics

2,206
B66586G0000X187

Datasheet

B66586 Box Not For New Designs - - - - - - - - - - - - - - - - - -
5695221421

5695221421

FERRITE CORE PS 95 SET

Fair-Rite Products Corp.

1,545
5695221421

Datasheet

- Bulk Active PS - - - ±25% 95 Ungapped - 3000 48.0 31.2 Uncoated 64.8 2000.0 - - - -
0P44216EC

0P44216EC

E-CORE

Magnetics, a division of Spang & Co.

4,108
0P44216EC

Datasheet

- Bulk Active EER - - 4.173 µH - P Ungapped - 2500 - 98.7 Uncoated 175.0 17300.0 166.0 0.850" (21.59mm) 1.657" (42.10mm) 0.579" (14.70mm)
C058280A2

C058280A2

HIGH FLUX 125 PERM KHAKI 280 SIZ

Magnetics, a division of Spang & Co.

2,904
C058280A2

Datasheet

- Bulk Active Toroid - 0.405" (10.29mm) 53 nH ±8% High Flux Ungapped - 125 - 21.8 Coated 7.52 164.0 - 0.150" (3.81mm) - -
C058291A2

C058291A2

HIGH FLUX 060 PERM KHAKI 290 SIZ

Magnetics, a division of Spang & Co.

1,196
C058291A2

Datasheet

- Bulk Active Toroid - 0.405" (10.29mm) 32 nH ±8% High Flux Ungapped - 60 - 21.8 Coated 9.45 206.0 - 0.181" (4.60mm) - -
C058281A2

C058281A2

HIGH FLUX 060 PERM KHAKI 280 SIZ

Magnetics, a division of Spang & Co.

4,269
C058281A2

Datasheet

- Bulk Active Toroid - 0.405" (10.29mm) 25 nH ±8% High Flux Ungapped - 60 - 21.8 Coated 7.52 164.0 - 0.150" (3.81mm) - -
C058041A2

C058041A2

HIGH FLUX 060 PERM KHAKI 040 SIZ

Magnetics, a division of Spang & Co.

4,757
C058041A2

Datasheet

- Bulk Active Toroid - 0.425" (10.80mm) 32 nH ±8% High Flux Ungapped - 60 - 23.0 Coated 9.57 220.0 - 0.181" (4.60mm) - -
NR42316UG

NR42316UG

RM DESIGN SCP

Magnetics, a division of Spang & Co.

1,980
NR42316UG

Datasheet

- Bulk Active RM - - 2.7 µH - R Ungapped - 2300 - 38.4 Uncoated 63.0 2440.0 55.4 0.323" (8.20mm) 0.913" (23.20mm) 0.433" (11.00mm)
0J40704UG

0J40704UG

POT CORE

Magnetics, a division of Spang & Co.

2,629
0J40704UG

Datasheet

- Bulk Active P - 0.285" (7.24mm) 2.257 µH - J Ungapped - 5000 - 9.9 Uncoated 7.0 69.0 5.9 0.082" (2.08mm) - -
0W42908TC

0W42908TC

TOROID UNCOATED

Magnetics, a division of Spang & Co.

2,205
0W42908TC

Datasheet

- Bulk Active Toroid - 1.142" (29.00mm) 6.34 µH ±30% W Ungapped - 10000 - 73.2 Uncoated 37.0 2704.0 - 0.295" (7.50mm) - -
PW41010UG

PW41010UG

EP CORE

Magnetics, a division of Spang & Co.

2,140
PW41010UG

Datasheet

- Bulk Active EP - - 4.8 µH - W Ungapped - 10000 - 19.3 Uncoated 11.3 215.0 8.55 0.406" (10.30mm) 0.453" (11.50mm) 0.300" (7.60mm)
SF42318UG

SF42318UG

ROUND-SLAB CORE W/HOLE

Magnetics, a division of Spang & Co.

3,087
SF42318UG

Datasheet

- Bulk Active PS - 0.902" (22.90mm) 4 µH ±25% F Ungapped - 3000 - 41.6 Uncoated 62.2 2590.0 53.6 0.354" (9.00mm) - -
FP43808EC

FP43808EC

E-CORE - FLAT BACKS

Magnetics, a division of Spang & Co.

4,012
FP43808EC

Datasheet

- Bulk Active Planar E - - 8.354 µH - P Ungapped - 2500 - 52.4 Uncoated 194.0 10200.0 194.0 0.325" (8.26mm) 1.500" (38.10mm) 1.000" (25.40mm)
C058040A2

C058040A2

HIGH FLUX 125 PERM KHAKI 040 SIZ

Magnetics, a division of Spang & Co.

1,802
C058040A2

Datasheet

- Bulk Active Toroid - 0.425" (10.80mm) 66 nH ±8% High Flux Ungapped - 125 - 23.0 Coated 9.57 220.0 - 0.181" (4.60mm) - -
0R44020EC

0R44020EC

E CORE

Magnetics, a division of Spang & Co.

3,975
0R44020EC

Datasheet

- Bulk Active E - - 4.6 µH - R Ungapped - 2300 - 97.0 Uncoated 178.0 17300.0 175.0 0.827" (21.00mm) 1.693" (43.00mm) 0.598" (15.20mm)
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