MCM Electronics

Ferrite Core Half Gapped EFD25MCM Part #: 287-3022  |  Epcos Part #: B66421U0250K187

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A range of EFD cores and accessories with a flattened and lowered center limb for low-profile transformer designs.

For a full assembly, order:
  • One Bobbin
  • Two Core Halves
  • Two retaining clips

Product Description

Core Size Height Width Length
EFD15 8mm 17mm 19.3mm
EFD20 10mm 22mm 24.3mm
EFD25 12.5mm 27.3mm 29.3mm
EFD30 12.5mm 32.5mm 30mm

Component Parts:
MCM Part# Discription:
Core Size EFD15
287-3000 Ferrite Core Half (780nH)
287-3008 8 Pin Bobbin
287-3010 Retaining Clip
Core Size EFD20
287-3002 Ferrite Core Half (1200nH)
287-3012 Gapped Ferrite Core Half (100nH)
287-3014 Gapped Ferrite Core Half (160nH)
287-3016 8 Pin Bobbin
287-3018 Retaining Clip
Core Size EFD25
287-3004 Ferrite Core Half
287-3020 Gapped Ferrite Core Half (160nH)
287-3022 Gapped Ferrite Core Half (250nH)
287-3024 Gapped Ferrite Core Half (315nH)
287-3026 10 Pin Bobbin
287-3028 Retaining Clip
Core Size EFD30
287-3006 Ferrite Core Half (2050nH)
287-3030 12 Pin Bobbin
287-3032 Retaining Clip

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Package Specifications & Dimensions
Weight:0.02 lbs.
Hazardous:No
Warranty:90 days
Need to Return?
Length:0.51 in.
Width:0.98 in.
Height:0.24 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:
PDF Reference
Datasheet

Requires Adobe Acrobat Reader.

Mfr. Info

Mfr. Name:Epcos
Mfr. Part Number:B66421U0250K187