BUY STA471A https://www.utsource.net/itm/p/976664.html
NPN Darlington Transistors With built-in avalanche diodeNPN）
Description: STA471A is a high-voltage, high-speed, N-channel MOSFET manufactured by Sanken Electric Co., Ltd. It is a ZIP-10 package. Features: High-voltage operation: VDSS = 500V Low on-resistance: RDS(ON) = 0.25Ω High-speed switching: tON = 0.5μs Low gate charge: Qg = 4.5nC Low input capacitance: Ciss = 1.2pF Low output capacitance: Coss = 0.2pF Applications: High-voltage switching Motor control Power supply Automotive applications (For reference only)