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 ± .
PQ cores and accessories
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.
GRADE
AL (nH)
µe
AIR GAP (µm)
3C81
3C90
3C91 3C94 3C95 3C96
160 ±3% 250 ±3% 315 ±3% 400 ±3% 630 ±5% 3580 ±25% 160 ±3% 250 ±3% 315 ±3% 400 ±3% 630 ±5% 3150 ±25% 3580 ±25% 3150 ±25% 3580 ±25% 2820 ±25%
≈ 93 ≈ 145 ≈ 183 ≈ 232 ≈ 366 ≈ 2080
≈ 93 ≈ 145 ≈ 183 ≈ 232 ≈ 366 ≈ 1830 ≈ 2080 ≈ 1830 ≈ 2080 ≈ 1640
≈ 620 ≈ 360 ≈ 270 ≈ 200 ≈ 120
≈0 ≈ 620 ≈ 360 ≈ 270 ≈ 200 ≈ 120
≈0 ≈0 ≈0 ≈0 ≈0
TYPE NUMBER
PQ20/20-3C81-A160 PQ20/20-3C81-A250 PQ20/20-3C81-A315 PQ20/20-3C81-A400 PQ20/20-3C81-A630 PQ20/20-3C81 PQ20/20-3C90-A160 PQ20/20-3C90-A250 PQ20/20-3C90-A315 PQ20/20-3C90-A400 PQ20/20-3C90-A630 PQ20/20-3C90 PQ20/20-3C91 PQ20/20-3C94 PQ20/20-3C95 PQ20/20-3C96
2008 Sep 01
2
Ferroxcube
PQ cores and accessories
PQ20/20
GRADE 3F3
AL (nH)
160 ±3% 250 ±3% 315 ±3% 400 ±3% 630 ±5% 2650 ±25%
µe
≈ 93 ≈ 145 ≈ 183 ≈ 232 ≈ 366.