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B66423G0000X187 Datasheet(PDF) 2 Page - EPCOS |
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B66423G0000X187 Datasheet(HTML) 2 Page - EPCOS |
2 / 5 page 2 09/06 Please read Cautions and warnings and Important notes at the end of this document. ■ E core with flattened, lower center leg for especially flat transformer design ■ For DC/DC converters ■ Delivery mode: single units Magnetic characteristics (per set) Σl/A= 0.99 mm–1 le = 68 mm Ae = 69 mm2 Amin = 69 mm2 Ve = 4690 mm3 Approx. weight 24 g/set Ungapped Gapped The AL value in the table applies to a core set comprising one ungapped core (dimension g = 0) and one gapped core (dimension g > 0). Calculation factors (for formulas, see “E cores: general information”) Validity range: K1, K2: 0.10 mm < s < 2.00 mm K3, K4: 70 nH < AL < 630 nH Material AL value nH µ e PV W/set Ordering code N87 2050 +30/–20% 1610 < 2.6 (200 mT, 100 kHz, 100 °C) B66423G0000X187 N97 2150 +30/–20% 1690 < 2.2 (200 mT, 100 kHz, 100 °C) B66423G0000X197 Material AL value nH µ e g approx. mm Ordering code N87 160 ±10% 125 0.71 B66423U0160K187 250 ±10% 196 0.38 B66423U0250K187 315 ±10% 246 0.27 B66423U0315K187 Material Relationship between air gap – AL value Calculation of saturation current K1 (25 °C) K2 (25 °C) K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C) N87 125 –0.712 176 –0.796 161 –0.873 B66423 Core EFD 30/15/9 |
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