Description
The general purpose optocouplers consist of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a standard plastic six-pin dual-in-line package.

Features
■ Minimum Current Transfer Ratio at IF = 10 mA,
   VCE = 10 V:
   – 10% for 4N27M and 4N28M
   – 20% for 4N25M and 4N26M
   – 100% for 4N35M, 4N36M and 4N37M
■ Safety and Regulatory Approvals:
   – UL1577, 4,170 VACRMS for 1 Minute
   – DIN-EN/IEC60747-5-5, 850 V Peak Working
      Insulation Voltage

Applications
■ Power Supply Regulators
■ Digital Logic Inputs
■ Microprocessor Inputs