Product Data Sheet Generated June 25, 2026
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Pot Cores (5678221421)

Part No. 5678221421
Pot Cores (5678221421)
Part Number
5678221421
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: 5678221421

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: 12.000 (g)

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

Dimmmmm tolnominal inchinch misc.
A21.6±0.400.85_
B6.7±0.100.264_
C14.9±1.600.587_
D4.7±0.150.185_
E18.2±0.400.717_
F9.25±0.150.364_
G3.7±0.700.146_
H4.55±0.150.179_

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)4000 ±25%
Ae(cm²)0.648
Σl/A(cm⁻¹)4.8
le(cm)3.12
Ve(cm³)2
Amin(cm²)0.51

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

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