2PCS SMPS Primary Switcher IC DIP-8 VIPER12 VIPER12A VIPER12A

10 PCS VIPER12A DIP-8 VIPER12 Low Power Off Line Smps Primary Switcher Chip

5Pcs VIPER22A VIPER22 ST DIP-8 SMPS Primary Switcher DIP-8

10pcs VIPer22A DIP-8 IC original ST

5PCS SMPS Primary Switcher IC DIP-8 VIPER12 VIPER12A VIPER12A

10PCS VIPER22A VIPER22 SMPS Primary Switcher DIP-8 IC

10 PCS VIPER22A DIP-8 VIPER22 SMPS Primary Switcher Integrated Circuits Chip IC

2PCS SMPS Primary Switcher IC DIP-8 VIPER12 VIPER12A VIPER12A