TLP550(TOJS-O,F),PHOTOCOUPLER
TLP550(Y,F),PHOTOCOUPLER
TLP550(YASK-O,F),PHOTOCOUPLER
TLP550(Y-LF1,F),PHOTOCOUPLER
TLP550-LF1,F),PHOTOCOUPLER
TLP550-TP4,F),PHOTOCOUPLER
TLP551(F),OPTOCOUPLER TRANS
TLP551(Y,F),OPTOCOUPLER TRANS