Vishay Semiconductor Diodes Division
DIODE GEN PURP 600V 4A TO252AA. Diodes - General Purpose, Power, Switching 4A 600V Ultrafast 17ns HEXFRED
Taiwan Semiconductor Corporation
DIODE GEN PURP 600V 8A TO220AC. Rectifiers 35ns8A 600V Sp Fst Recov Rectifier