CNY17F4W

Overview

The CNY17F4W is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and utilizes a 6-DIP package for through-hole mounting. Key electrical specifications include a maximum collector-emitter voltage of 70 V, a forward current rating of 100 mA, and a forward voltage of 1.65 V. The device provides an isolation voltage of 5300 Vrms and supports a power dissipation of 250 mW. It operates within a temperature range of -55°C to +100°C.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Utilizes an NPN phototransistor for signal transmission
• Designed for through-hole surface mounting applications

Applications

• General-purpose signal isolation
• Microprocessor system interfacing
• Solid-state relay drivers

Procurement Notes

Verify the specific datasheet version and manufacturer lot codes upon receipt. Confirm that the component matches the 6-DIP package dimensions and pinout configuration required by the design. Ensure compliance with relevant environmental regulations such as RoHS standards before integration into final assemblies.

Selection Notes

Select this component when a standard NPN phototransistor output is required for basic isolation tasks. Consider the 5300 Vrms insulation rating for safety requirements. Evaluate the thermal management needs based on the 250 mW power dissipation limit and the operating temperature range constraints.

Part Context

This part belongs to the CNY17 series of optocouplers from onsemi. It shares functional similarities with other models in the family but differs in packaging and specific electrical ratings. The CNY17 series is widely recognized for general-purpose isolation applications in industrial and consumer electronics.

Replacement Considerations

Compatible substitutes include the CNY172FVM and CNY17F43S. Verify pin compatibility and electrical parameters such as isolation voltage and current transfer ratio before substitution.