FOD617A

Overview

The FOD617A is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and operates within a temperature range of -55°C to +110°C. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a forward current of 50 mA, and an isolation voltage of 5000 Vrms. The device exhibits typical rise and fall times of 18 µs, with a power dissipation rating of 200 mW.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Utilizes an NPN phototransistor for signal transmission
• Designed for reliable operation across extended industrial temperature ranges

Applications

• General-purpose digital signal isolation
• Microcontroller interface circuits
• Industrial control systems requiring galvanic isolation

Procurement Notes

Verify the specific suffix (A) against official datasheets to confirm performance grades. Confirm package type and compliance status directly with the manufacturer or authorized distributors. Ensure the component meets all required safety certifications for the intended application environment before procurement.

Selection Notes

Select this component when a standard NPN phototransistor output is required for basic isolation tasks. Consider the 5000 Vrms isolation rating for safety requirements. Evaluate the 18 µs switching speed against system timing constraints. Verify that the 4-pin DIP package fits the available board space.

Part Context

This part belongs to the FOD series of optocouplers from onsemi. The series offers various output types and packaging options for different isolation needs. The FOD617A specifically targets applications requiring robust transistor output characteristics in a compact form factor.

Replacement Considerations

Check for direct pin-compatible substitutes within the same family, such as the FOD617C, ensuring identical electrical specifications. Verify that any alternative maintains the same isolation voltage and package dimensions.