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SD250-1L Datasheet(PDF) 1 Page - Coilcraft lnc. |
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SD250-1L Datasheet(HTML) 1 Page - Coilcraft lnc. |
1 / 2 page Base/Gate Driver Transformers Document 130 -1 Document 130-1 Revised 04/20/12 • 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. SD250-1L SD250-2L SD250-3L SD250-4L Turns ratio ±3% (pri:sec) 1 : 1 1 : 1.5 1 : 1 : 1 1 : 1.5 : 1.5 Primary winding Inductance (min)1 1.5 mH 1.5 mH 1.5 mH 1.5 mH Leakage inductance (max)1 4.0 µH 4.0 µH 4.0 µH 4.0 µH DCR 0.4 0.4 0.4 0.4 Volt-time product 375 V-µsec 375 V-µsec 375 V-µsec 375 V-µsec Secondary winding(s) Capacitance, pri to sec (max) 50 pF 50 pF 50 pF 50 pF DCR, each section (max) 0.75 2.5 0.75 2.5 1. Measured at 1 Vrms, 15.75 kHz. 2. Operating temperature range –40°C to +85°C. 3. Electrical specifications at 25°C. 5 6 10 1 Pri (drive) Pri (drive) 5 1 Sec 9 10 Sec 2 6 7 Sec 1 SD250-1 and 250-2 SD250-3 and 250-4 0.044 1,12 0.15 ±0.030 3,81 ±0,762 0.032 0,813 0.950 24,13 max dia ref dia Pins 7 and 9 are not present on SD250-1 and SD250-2 0.62 ±0.015 15,75 ±0,38 0.75 19,05 Recommended board layout 0.20 5,08 0.40 10,16 0.80 20,32 1 5 67 910 1.10 27,94 0.395 10,03 1.10 27,94 max max Notch indicates pin 1 max 15 6 7 9 10 Weight: 15.6 – 16.8 g Termination: Tin-silver over tin over copper Packaging: 49 per tray |
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