PC44PQ50-50Z-12

(39/71) PQ Series PQ20/16 Cores Parameter Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-secti onal center pole area Minimum cross-sectional center pole area Cross-secti onal winding area of core Weight (approx.) C1 em Ae Ve Acp Acp min. Acw mm–1 m mm2 mm3 mm2 mm2 mm2 g 0.605 37.4 62 2310 60.8 58.1 47.4 13 ø8.8 ± 0.2 10.3 ± 0.3 16.2 ± 0.2 14.0 ± 0.4 Dimensions in mm 20.5 ± 0.4 18.0 ± 0.4 12.0 – 0 Part No. PC44PQ20/16Z-12 ∗ Coil: AL-value (nH/N2) 3880±25% (1kHz, 0.5mA)∗ 5210 min. (100kHz, 200mT) Core loss (W) at 100°C 100kHz, 200mT 0.84 max. Calculated output power (forward converter mode) 70W (100kHz) ø0.35 2UEW 100Ts NI limit vs. AL-value for PC44PQ20/16 gapped core (Typical) 10 3 Temperature: 100˚C AL-value vs. Air gap length for PC44PQ20/16 core (Typical) 10 3 Temperature rise vs. Total loss for PQ20/16 core (Typical) (Ambient temperature: 25°C) 100 Temperature rise of hot spot ∆T (˚C) 20% 10 2 AL-value(nH/N2) 40% NI limit (AT) Center pole gap Spacer gap 10 2 50 101 NI limit=28821×A L–1.022 (20%) NI limit=38270×A L–1.038 (40%) A L =22862×NI limit – 0.978 (20%) A L =26409×NI limit – 0.964 (40%) 10 2 A L-value (nH/N 2) 10 3 101 0.1 1 Air gap length (mm) 10 0 05 1 2 3 Total loss Pm (W) 4 Note: NI limit shows the point where the exciting current is 20% and 40% away from its extended linear part. Measuring conditions Coil: ø0.35 2UEW 100Ts Frequency: 1kHz Level: 0.5mA Note: The temper...