Catalog > Semiconductors > Opto-Electronic Components > Opto Couplers 2 Channel Photo Transistor Opto Isolator 2 Channel Photo Transistor Opto Isolator TLP521-2GB DUAL CH OPTOCOUPLER CTR=100-600 15.39 ZAR inc for 1 Each 3 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Model TLP521-2GB Current Transfer Ratio 0.06% Isolation Voltage 5.3kV Collector to Emitter Voltage 55V Package 9 Pin DIP