SD250-2L

Document 130 -1 Base/Gate Driver Transformers Lower cost than toroidal equivalents Frequency range of 10 – 250 kHz and up Industry standard pin centers 3750 Vrms, one minute isolation (hipot) between primary and secondary windings; 1500 Vrms, one minute between secondaries UL1446 Class B (130°C) Insulation System (UL File E83628) Coilcraft Designer’s Kit No. P404 contains samples of four standard driver transformers.To order, contact Coilcraft or visit http://order.coilcraft.com to purchase on-line. Turns ratio ±3% (pri : sec) Primary winding Inductance (min)1 Leakage inductance (max)1 DCR Volt-time product Secondary winding(s) Capacitance, pri to sec (max) DCR, each section (max) SD250-1L 1 : 1 SD250-2L 1 : 1.5 SD250-3L 1 : 1 : 1 SD250-4L 1 : 1.5 : 1.5 1.5 mH 1.5 mH 1.5 mH 1.5 mH 4.0 µH 4.0 µH 4.0 µH 4.0 µH 0.4  0.4  0.4  0.4  375 V-µsec 375 V-µsec 375 V-µsec 375 V-...