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FERROXCUBE
DATA SHEET
PQ20/20 PQ cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
PQ cores and accessories
PQ20/20
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
Σ(I/A)
core factor (C1)
Ve effective volume Ie effective length Ae effective area Amin minimum area m mass of set
VALUE UNIT 0.731 mm−1 2850 mm3 45.7 mm 62.6 mm2 59.1 mm2 ≈ 16 g
handbook, halfpage
21.3 ± 0.4
12 min 4
min
7.9 14 min ± 0.4
8.8
;;;;;;;;;;;;;;;;;;;;±0.2
14.3 20.2 ± 0.3 ± 0.2
18 ± 0.4
MBE692
Dimensions in mm.
Fig.1 PQ20/20 core set.
Core sets for general purpose transformers and power applications Clamping force for AL measurements, 30 ±10 N.