Vishay, 4N27 DC Input Phototransistor Output Optocoupler, Through Hole, 6-Pin PDIP

Each optocoupler consists of gallium arsenide infrared LED and a silicon NPN phototransistor.

• Isolation test voltage 5000 VRMS
• Interfaces with common logic families
• Input-output coupling capacitance < 0.5 pF
• Industry standard dual-in-line 6 pin package

• AC mains detection
• Reed relay driving
• Switch mode power supply feedback
• Telephone ring detection
• Logic ground isolation
• Logic coupling with high frequency noise rejection

Optocouplers, Vishay Semiconductor