Product Data Sheet Generated June 20, 2026
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Pot Cores (5678302021)

Part No. 5678302021
Pot Cores (5678302021)
Part Number
5678302021
Description
78 POT CORE SET
Part Type
Pot Cores
Frequency Range
78 Material
Application Type
Inductive Components
Where Used
Closed Magnetic Circuit
Material Grade
78
Ordering Information

Part Number: 5678302021

78 POT CORE SET

Pot cores have found application in all types of inductive devices. The core configuration provides a high degree of self-shielding. It also facilitates gapping to enhance utility for a variety of magnetic designs.

Pot cores can be supplied with the center post gapped to a mechanical dimension or an AL value.

Mechanical Specifications

Weight indicated is per pair or set.

Weight: 34.000 (g)

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

Dimmmmm tolnominal inchinch misc.
A30±0.501.181_
B9.4±0.200.37_
C20.6min0.811min
D6.6±0.200.26_
E25min0.984min
F13.3±0.200.524_
G3.68min0.145min
H5.6±0.200.22_

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)5700 ±25%
Ae(cm²)1.27
Σl/A(cm⁻¹)3.56
le(cm)4.53
Ve(cm³)5.75
Amin(cm²)1.14

AL value is measured at 1 kHz, B < 10 gauss.

This document was generated automatically from Fair-Rite's product database. For the most current specifications, visit fair-rite.com.