PQ Cores (6678322121)

Part Number: 6678322121

78 PQ CORE SET

PQ cores were developed for use in power applications. The large surface area to volume of the core aids in heat dissipation. PQ cores are employed both in filter and transformer designs for switch mode power supplies.

• PQ cores can be supplied with the centerpost gapped to a mechanical dimension or an ALvalue.

Catalog Drawing
3D Model

Weight indicated is per pair or set.

Weight: 43 (g)

Dimmmmm tolnominal inchinch misc.
A32± 0.601.26_
B10.25± 0.150.404_
C22± 0.400.866_
D5.75± 0.150.226_
E27.5± 0.501.083_
F13.45± 0.300.53_
G19min0.749min

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)6000 ±25%
Ae(cm2)1.642
Σl/A(cm-1)3.27
le(cm)5.37
Ve(cm3)8.821
Amin(cm2)1.404

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

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