SD250-1L
SD250-1L is Base/Gate Driver Transformers manufactured by Coilcraft.
Document 130 -1
Base/Gate Driver Transformers
- Lower cost than toroidal equivalents
- Frequency range of 10
- 250 k Hz 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. 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 m H
1.5 m H
1.5 m H
1.5 m H
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...
