EPCOS N87 E 42 Ferrite Core Transformer, 3950nH, 42 x 21.2 x 15.2mm

  • RS Stock No. 647-9317
  • Mfr. Part No. B66325G0000X187
  • Brand EPCOS
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

E 42/21/15 & E 42/21/20 Cores

Ferrite core supplied without air-gap

Dimensions (mm)
Core Type a b c d e f
E 42/21/15 42+1.0/-0.7 21.2-0.4 15.2-0.5 29.5+1.2 14.8+0.7 12.2-0.5
E 42/21/20 42+1.0/-0.7 21.2-0.4 20-0.8 29.5+1.2 14.8+0.7 12.2-0.5
Ferrite cores E 42/21/15 compliant with DIN 41 295      
  AL Standard Value Material Type
  3950 nH N87 B66325GX187
Coil former made from 6-Polyamide GV (UL 94 V-0)      
Chambers AN Pins  
1 177 mm2 10 B66242J1000R1
Ferrite cores E 42/21/20 compliant with DIN 41 295      
  AL Standard Value Material Type
  5100 nH N67 B66329GX167
  5200 nH N87 B66329GX187
Coil former made from Polyterephthalate GV (UL 94 V-0)      
Chambers AN Pins Type
1 172 mm2 18 B66243A1018T1
Magnetic Form Characteristics
Core Type ΣI/A mm-1 Ie mm Ae mm2 Vmin mm2 Ve mm3
E 42/21/15 0.54 97.0 178 175 17300
E 42/21/20 0.41 97.0 234 229 22700
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EPCOS Ferrite Cores

Specifications
Attribute Value
Accessory Type E 42
Dimensions 42 x 21.2 x 15.2mm
AL Rating 3950nH
Material N87
Depth 15.2mm
Length 42mm
Width 21.2mm
32 In stock for FREE next working day delivery
Price Each (In a Pack of 2)
Was £1.53
£ 0.72
(exc. VAT)
£ 0.86
(inc. VAT)
Units
Per unit
Per Pack*
2 +
£0.72
£1.44
*price indicative
Packaging Options:
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