H21A3,SENSOR OPTO SLOT 3MM TRANS THRU
H21A4,SENSOR OPTO SLOT 3MM TRANS THRU
H21A5,SENSOR OPTO SLOT 3MM TRANS THRU
H21A6,SENSOR OPTO SLOT 3MM TRANS THRU
H21B1,SENSOR OPTO SLOT 3MM DARL THRU
【Fairchild Semiconductor】H21B1_Q,光电断续器 INTERUP MOD DARL
H21B2,SENSOR OPTO SLOT 3MM DARL THRU
【Fairchild Semiconductor】H21B2_Q,光电断续器 INTERUP MOD DARL
