Description
The 4N25 family is an Industry Standard Single Channel Phototransistor Coupler.This family includes the 4N25/ 4N26/ 4N27/ 4N28. Each optocoupler consists of gallium arsenide infrared LED and a silicon NPN phototransistor.

Features
• Isolation Test Voltage 5300 VRMS
• Interfaces with Common Logic Families
• Input-output Coupling Capacitance < 0.5 pF
• Industry Standard Dual-in-line 6-pin Package
• Lead-free component
• Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC

Applications
    AC Mains Detection
    Reed relay driving
    Switch Mode Power Supply Feedback
    Telephone Ring Detection
    Logic Ground Isolation
    Logic Coupling with High Frequency Noise Rejection