PQ20-20 Datasheet PDF

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 ≈ 36...