H21A2,SENSOR OPTO SLOT 3MM TRANS THRU
【Fairchild Semiconductor】H21A2_Q,光电断续器 INTERUP MOD TRANS
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
