CH102 Schematic

CH102 Features

Released to European Standard and complies to MIL-STD

Total Ionizing Dose tested to 150 Krad(si)

Displacement Damage to 1 MEV x 10¹²

Surface Mount 4-pin package

Flexibility in design for mounting styles

High Current Transfer Ratio

High Isolation Voltage up to 1,000VDC

Hermetically Sealed


The CS102 is a single channel, hermetically sealed, radiation hard optically coupled isolator.  It is composed of an infrared emitting diode and a silicon phototransistor.

The CH102 has been designed and manufactured to meet the requirements of very low temperatures experienced in harsh environments encountered by space applications.  These devices can be wire bonded within a hybrid application, or mounted directly onto a PCB board offering the customer flexibility in their design.

The CH102 is manufactured to meet JANS standards in conjunction with MIL-PRF-19500 procedures.  Package styles for this device include a 4-pin surface mount package, with solder dip option 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: CH102

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