FOD852 Photodarlington Optocoupler High Temperature 4 Pin Fairchild Semiconductor FOD852 The FOD852 is a photodarlington optocoupler that provides 5000V of electrical isolation between the input and the output Using a Gallium Arsenide IR emitting diode as the source driving a silicon output in Darlington configuration with an integral base emitter resistor The device is enclosed in a DIL 4 package and is suitable for a number of applications such as power supply regulators digital logic
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