TLP531(GR,F),PHOTOCOUPLER
TLP531(GRL,F),PHOTOCOUPLER
TLP531(GR-LF1,F),PHOTOCOUPLER
TLP531(GR-LF2,F),PHOTOCOUPLER
TLP531(HIT-BL,F),PHOTOCOUPLER
TLP531(HIT-BL-L1,F,PHOTOCOUPLER
TLP531(HIT-BL-T1,F,PHOTOCOUPLER
TLP531(LF1,F),PHOTOCOUPLER