Block N87 E 42 Ferrite Core Transformer, 3950nH, 42 x 15.2 x 21.2mm, For Use With Transformers, Reactors

  • RS Stock No. 840-7159
  • Mfr. Part No. FS-1E-4215-00
  • Brand Block
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): DE
Product Details

Block FS-1E Series Size 42/21/15 Ferrite Transformer Cores

FS-1E series size 42/21/15 ferrite transformer cores made from N87. These standard 'E' type ferrite transformer cores are available with air gaps inserted:
Stock number 840-7465 has a 0.1mm gap
Stock number 840-7547 has a 0.2mm gap
Stock number 840-7620 has a 0.5mm gap
Stock number 840-7718 has a 1.0mm gap
Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies
For bobbins see stock numbers 840-7276 and 840-7285

Transformer Ferrite Kits - Cores

The AL value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276

Attribute Value
Accessory Type E 42
For Use With Reactors, Transformers
Dimensions 42 x 15.2 x 21.2mm
AL Rating 3950nH
Material N87
Depth 21.2mm
Length 42mm
Width 15.2mm
Maximum Temperature +210°C
Discontinued product