4N28M
Fairchild Semiconductors
6-Pin DIP Package Phototransistor Output Optocoupler Phototransistor Output - DC Sensing Input MDIP 6L
$0.17 - $0.576-Pin DIP Package Phototransistor Output Optocoupler Phototransistor Output - DC Sensing Input MDIP 6L
$0.17 - $0.57