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Cx Family Common Mode Chokes
0402CT Low Profile Chip Inductors
XAL7050 High-inductance Shielded Power Inductors
XGL4020 Ultra-low DCR Power Inductors

Transformers for Capacitor Charging

Coilcraft’s selection of flyback transformers for capacitor charging handle a range of 1.2 A to 50 A peak primary current for fast charging. Many are designed for a maximum capacitor charge voltage of up to 500 V and come in various pri-sec turns ratios up to 1:15. Reference designs include ON NCP5080, LT3451, and many for Linear Technology / Analog Devices LT3750 and LT3751 controller ICs. Applications include photoflash charging and general purpose capacitor charging.
Peak primary
current
Capacitor
charge voltage
Pri-sec
turns ratio
Part number
Click for details
Designed to work with:
1.2 A 350 V 1 : 15 CJ5143-AL ON NCP5080​
2 A 500 V 1 : 3 HA4060-AL Linear LT3751
3 A 300 V 1 : 10 DA2032-AL Linear LT3750
5 A 500 V 1 : 3 HA4061-AL Linear LT3751
5 A 300 V 1 : 10 DA2033-AL Linear LT3750 / LT3751
10 A 300 V 1 : 10 DA2034-AL Linear LT3750 / LT3751
20 A 500 V 1 : 10 GA3459-BL Linear LT3751
50 A 500 V 1 : 10 GA3460-BL Linear LT375

For the flyback transformer for the Linear LT3451Controller, see HA3994-AL.