【CEL】PS2503-1,OPTOCOUPLER LOW CURR HIGH SPE
【CEL】PS2503-1-A,PHOTOCOUPLER 1CH TRANS OUT DI
【CEL】PS2503-1-K-A,PHOTOCOUPLER 1CH TRANS OUT DI
【CEL】PS2503-1-L-A,PHOTOCOUPLER 1CH TRANS OUT DI
【CEL】PS2503-1-M-A,PHOTOCOUPLER 1CH TRANS OUT DI
【CEL】PS2503-2,OPTOCOUPLER LOW CURR HIGH SPE
【CEL】PS2503-2-A,PHOTOCOUPLER 2CH TRANS OUT DI
【CEL】PS2503-4,OPTOCOUPLER LOW CURR HIGH SPE
