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Satellite/Space systems
Military/High Reliability Systems
Standard 28 VDC and 48 VDC Load Driver
Aircraft Controls
Electromechanical and Solid State Relay
Replacement
I/O Modules
Switching Heaters
DESCRIPTION
The 53253 is two power MOSFET optocouplers in a single 8-pin dual-in-line package suitable for applications where
two independent switches and radiation tolerant performance are required. The popular hermetic eight-pin dual-in-line
ceramic package combined with 1000 VDC isolation between input and output and between two isolated relays,
makes this device ideal for solid-state relay applications. Performance is specified over the full military temperature
range. This device is available as COTS, or screened to MIL-PRF-38534, Table C-IX, Class H or custom screening.
Lead options support both through-hole and surface-mount assembly. Gold plated leads are standard, but other lead
finishes per MIL-PRF-38534 are also available.
Functionally, the device operates as two SPST, normally open (2 Form A) solid-state relays. Each relay is actuated by
an input current, which can be driven from a standard TTL device. The input current biases a light emitting diode that is
optically coupled to an integrated photovoltaic diode array. The photovoltaic diode array energizes control circuitry that
operates the output MOSFET.
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION
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905 E. Walnut St., Garland, TX 75040
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(972) 272-3571
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Fax (972) 494-2281
E-MAIL: hybridsales@micropac.com
08/18/2001
www.micropac.com
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