FOD852 is a 4-pin high operating temperature photodarlington optocoupler. It features a compact 4-pin package, high current transfer ratio of at least 1000%, C-UL, UL, and VDE approval, high input-output isolation voltage of 5000Vrms, and high operating temperature of 100°C.
The document describes the Fairchild Semiconductor FOD852, a 4-pin dual in-line package photodarlington optocoupler. It features a gallium arsenide infrared emitting diode driving a silicon photodarlington output with an integral base-emitter resistor. The device is designed for applications such as power supply regulators, digital logic inputs, and microprocessor inputs.
| Operating Temperature (T OPR) | -30 to +100 °C |
|---|---|
| Input-Output Isolation Voltage | 5000 Vac(rms) |
| Current Transfer Ratio (Min) | 1,000 % |
| Collector-Emitter Breakdown Voltage | 300 V |
| Continuous Collector Current | 150 mA |
Yes, it is applicable to Pb-free IR reflow soldering.
The minimum current transfer ratio is 1,000%.