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EER Series EER25.5 Cores(JIS FEER 25.5A)
2.6
Parameter
Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center pole area Minimum cross-sectional center pole area Cross-sectional winding area of core Weight (approx.) C1 e Ae Ve Acp Acp min. Acw mm–1 mm mm2 mm3 mm2 mm2 mm2 g 1.08 48.2 44.8 2160 44.2 42.4 79.4 11
ø7.5 ± 0.15 25.5 ± 0.5
6.2 ± 0.2 9.3 ± 0.2
Dimensions in mm
2.6
7.5 ± 0.2
19.8 – 0
Part No. PC40EER25.5-Z
∗ Coil:
AL-value (nH/N2) 1920±25% (1kHz, 0.5mA)∗ 2910 min. (100kHz, 200mT)
Core loss (W) at 100°C 100kHz, 200mT 0.98 max.
Calculated output power (forward converter mode) 87W (100kHz)
ø0.35 2UEW 100Ts
NI limit vs. AL-value for PC40EER25.
EER28 Datasheet
