SD250-3

Document 130-1 Base/GateDriverTransformers • Lower cost than toroidal equivalents • Frequency range of 10 - 250 kHz and up • Industry standard pin centers • VDE, IEC, UL, CSA compatible • 3750 VRMS isolation between windings • UL approved Class 130°C insulation system available (UL File E83628) Coilcraft Designer’s Kit No. P204 contains samples of 4 standard driver transformers. To order, please contact Coilcraft or visit http://order.coilcraft.com to order on-line. STANDARDVERSIONSPECIFICATIONS DRIVE WINDING Inductance (Min)1 Leakage inductance (Max)1 DCR Volt-time product SECONDARY WINDING(S) Np/Ns (± 3%) Cap., drive to sec. (Max) DCR each section (Max) 1. Measured at 1 Vrms, 15.75 kHz 2. Operating temperature range –40° C to +85° C. 3. Electrical specifications at 25° C. 1.10 Max. 27,94 0.350 8,89 1.10 Max. 27,94 0.395 Max. 10,03 10 1 SD250-1 and 250-2 1 10 Sec 6 7 1 Drive 5 Sec 1 6 10 Sec 2 9 Drive 5 SD250-1 1.5 mH 4.0 H 0.4 375 V- sec SD250-2 1.5 mH 4.0 H 0.4 375 V- sec SD250-3 1.5 mH 4.0 H 0.4 375 V- sec SD250-4 1.5 mH 4.0 H 0.4 375 V- sec SD250-3 and 250-4 1:1 50 pF .75 1 : 1.5 50 pF 2.5 1:1:1 50 pF .75 1 : 1.5 : 1.5 50 pF 2.5 0.400 10,16 5 0.950 Max. 24,13 0.62 ± 0.015 15,75 ± 0,38 6 0.15 ± 0.030 3,81 ± 0,762 0.032 Diameter Ref. 0,813 0.40 10,16 0.80 20,32 0.20 5,08 (Pins 7 and 9 omitted on SD250-1 and 250-2) Specifications subject to change without notice. Document 130-1 Revised 9/14/00 Document 130-2 CUSTOMVERSIONSPECIFICATIONS In addition to the standard base/gate driver transformers shown here, Coilcraft can provide custom versions to meet your specifications. Our two basic structures are the .95″ high part shown and a 1.20″ high version. Both are available with either single or double sections. Please use the information below to determine the performance characteristics available. CORE Initial permeability Ae (core cross-sectional area) le (mean magnetic path length) .95″ high bobbins 2000µ 0.40 cm2 4.90 cm 1.20″ high bobbins 2000µ 0.80 cm2 4.80 cm BOBBIN Specifications subject to change without notice. Document 130-2 Revised 11/12/97