Features
■ High BV CEO:
– Minimum 50 V (MOC8021M)
– Minimum 80 V (MOC8050M)
■ High Current Transfer Ratio:
– Minimum 1000% (MOC8021M)
– Minimum 500% (MOC8050M)
■ No Base Connection for Improved Noise Immunity
■ Safety and Regulatory Approvals:
– UL1577, 4,170 VACRMS for 1 Minute
– DIN-EN/IEC60747-5-5, 850 V Peak Working Insulation Voltage

Description
The MOC8021M and MOC8050M are photodarlington-type optically coupled optocouplers. The devices have a gallium arsenide infrared emitting diode coupled with a silicon darlington phototransistor.

Applications
■ Appliances, Measuring Instruments
■ I/O Interface for Computers
■ Programmable Controllers
■ Portable Electronics
■ Interfacing and Coupling Systems of Different Potentials and Impedance
■ Solid State Relays