The 4N35 from Vishay is a through hole phototransistor output optocoupler with base connection in 6 pin DIP package. Each optocoupler consists of gallium arsenide infrared LED and a silicon NPN phototransistor. This optocoupler is widely used at AC mains detection, reed relay driving, switch mode power supply feedback, telephone ring detection, logic ground isolation and logic coupling with high frequency noise rejection.
UL - E52744 certified
BSI EN 60065:2002 and EN 60950:2000 approved
FIMKO; EN 60065, EN 60335, EN 60950 certificate no. 25156
