PC816 Sense PC816Senes x Lead forming type ( I ty.
PC816 - 4 PIN DIP PHOTOTRANSISTOR PHOTOCOUPLER
PC816 - Hgh -w=der Vtige/ Hgh Density Mounting Type Photocoupler
UPC816 - Bipolar Analog Integrated Circuit
TPC816 - 4 PIN DIP Phototransistor Photocoupler
UPC8163TB - SILICON MMIC 2.0 GHz FREQUENCY UP-CONVERTER FOR CELLULAR/CORDLESS TELEPHONES