Part number:RPI-221Package :DIP4Brand :ROHMDC:within 2 years Description:Photointerrupter Transmissive 2.3mm Phototransistor 4-Pin BulkNew and original in stockOther new and original ROHM brand stock we have FYI ,if you are interest ,welcome to inquiry !RPI-121 RPI-012..
Part number:RPI-221A Package :DIP4Brand :ROHMDC:within 2 years Description:Photointerrupter Transmissive 800nm 2mm Phototransistor 4-Pin - BulkNew and original in stockOther new and original ROHM brand stock we have FYI ,if you are interest ,welcome to inquiry !RPI-121 ..