6, 8-pin DIP, slow SWITCHING type 1-ch, 2-ch Optical Coupled MOS FET 6引脚DIP,慢切换类型1通道2通道光学耦合场效应晶体管 6, 8-pin DIP, slow SWITCHING type 1 6?引脚DIP,慢切换类型1 6 / 8-pin DIP / slow SWITCHING type 1-ch / 2-ch Optical Coupled MOS FET 6 8-pin DIP slow SWITCHING type 1-ch 2-ch Optical Coupled MOS FET