CD651 Schematic

CD651 Features

Total Ionizing Dose tested to 1 Mrad(si)

Displacement Damage tested to 1 MEV x 10¹³

Hermetically Sealed

High Withstand Test Voltage up to 1,500VDC

8-pin DIP Package

High Common Mode Rejection

High Speed – typically 10 Mbits/s (75ns max)


This device is a dual channel, hermetically sealed optically coupled isolator.  Each channel is composed of a Gallium Arsenide infrared emitting diode coupled to an integrated high speed photon detector.  The output of the detector is an open collector Schottky clamped transistor.  These optocouplers have an internal shield providing a guaranteed common mode transient immunity specification of 1,000V/μs.

The CD651 series are being used in environments encountered by space applications. Package styles for this device include an 8-pin DIP package, with surface mount and 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 in the datasheet.

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Part: CD651

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