The IS49 is a hermetically sealed, single channel optically coupled isolator. It is comprised of an infrared emitting diode and a silicon phototransistor.
The IS49 is being used in environments encountered in space applications. Package styles for this device include a 6-Pin LCC package with solder dip options available.
Absolute maximum ratings, recommended operating conditions, electrical specifications and performance characteristics are identical for all units. Any exceptions, due to packaging variations and limitations, are as noted.
The IS49 is equivalent to 66138, 4N22U, 4N23U, 4N24U, 4N47U, 4N48U, 4N49U.
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