MOC8021M, MOC8050M Photodarlington Optocoupler (No Base Connection)
November 2007
MOC8021M, MOC8050M
Photodarlington Optocoupler (No Base Connection)
Features
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High BV
CEO
tm
Description
The MOC8021M and MOC8050M are photodarlington-
type optically coupled optocoupler. The devices have a
gallium arsenide infrared emitting diode coupled with a
silicon darlington phototransistor.
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– Minimum 50V (MOC8021M)
– Minimum 80V (MOC8050M)
High current transfer ratio:
– Minimum 1,000% (MOC8021M)
– Minimum 500% (MOC8050M)
500%
No base connection for improved noise immunity
Underwriters Laboratory (UL) recognized
File #E90700, Volume 2
IEC 60747-5-2 approved (ordering option V)
Applications
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Appliances, measuring instruments
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I/O interface for computers
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Programmable controllers
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Portable electronics
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Interfacing and coupling systems of different
potentials and impedance
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Solid state relays
Schematic
ANODE 1
6 N/C
CATHODE 2
5 COLLECTOR
N/C 3
4 EMITTER
©2000 Fairchild Semiconductor Corporation
MOC8021M, MOC8050M Rev. 1.0.3
www.fairchildsemi.com
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
