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OPTICAL MOS RELAYS
 electronic components
OCM1
M
2, 1
M
3 SERIES
OCM1
M
M
M
M
M
2, 1
M
3 Series
Low ON-resistance Type Optical MOS Relay For DC Load Only
GENERAL DESCRIPTION
The OCM1
M
2 and OCM1
M
3 Series are optical MOS relays for DC load only.  The input portion
is an infrared light emitting diode.  The output portion uses a combination of VD-MOS (Vertical
Diffusion MOS) FETs and photodiode arrays.  The device is encased in an extremely small 6-pin
plastic DIP or SMD-type (gull-wing) package.
The optical MOS relay switch may be used in applications that currently use mechanical relay
switches, but offers smaller size, noise-free switching, and electronic circuit compatibility
because of its non-mechanical operation.  Optical MOS relay switches also dissipate less power
than equivalent bipolar devices at lower switching frequencies.
FEATURES
 Infinitesimally small control voltage
 High reliability due to non-contact and optical operation
 No chattering or switch bounces
 No mechanical switching noises
 Small size and easy mounting (6-pin plastic DIP or SMD-type [gull-wing] package)
APPLICATIONS
 Telecommunications equipment
 Measurement equipment
 Home electronics
 Automatic meter reading equipment
 Other applications requiring small size or high performance
 Other applications requiring non-contact switches
E2P0045-37-X3
This version:  Jan. 1998
Previous version:  May. 1997
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