Product Data Sheet Generated June 25, 2026
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E Cores (9478102002)

Part No. 9478102002
E Cores (9478102002)
Part Number
9478102002
Description
78 E CORE SET
Part Type
E Cores
Frequency Range
78 Material
Application Type
Inductive Components
Where Used
Closed Magnetic Circuit
Material Grade
78
Ordering Information

Part Number: 9478102002

78 E CORE SET

The E core geometry offers an economical design approach for inductive applications in a variety of power designs.

E cores can be supplied with the center post gapped to a mechanical dimension or an ALvalue.

Mechanical Specifications

Weight indicated is per pair or set.

Weight: 1.8 (g)

Chart Legend
•Dimensions (Top numbers are in millimeters, bottom numbers are in nominal inches.).

Dimmmmm tolnominal inchinch misc.
A12.7±0.350.5_
B6.35±0.150.25_
C3.6±0.200.142_
D4.65±0.150.183_
E8.8min0.347min
F3.6±0.200.142_

Electrical Specifications

Chart Legend
Σl/A  :  Core Constant,    le :  Effective Path Length,    Ae :  Effective Cross-Sectional Area,    Ve :  Effective Core Volume
AL :  Inductance Factor  
Explanation of Part Numbers: Digits 1 & 2 = product class and 3 & 4 = material grade.

Electrical Properties
AL(nH)800 ±25%
Ae(cm²)0.127
Σl/A(cm⁻¹)23.4
le(cm)2.96
Ve(cm³)0.376
Amin(cm²)0.122
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