CNY17F1M

Overview

The CNY17F1M is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and utilizes a 6-pin MDIP package for through-hole mounting. The device provides an isolation voltage of 4170 Vrms, with a maximum forward voltage of 1.65V and a maximum input current of 60mA. Electrical performance includes a minimum current transfer ratio of 40%, typical rise time of 6μs, and typical fall time of 24μs. Operating temperatures range from -40°C to 100°C.

Feature Summary

• Provides galvanic isolation between input and output circuits using infrared LED and NPN phototransistor technology.
• Designed for high breakdown voltage collector-emitter applications suitable for robust signal transmission.
• Complies with international safety standards including EN, IEC, and UL certifications.

Applications

• Industrial automation systems requiring isolated signal interfaces
• Data communication equipment needing channel isolation
• Microprocessor system interfacing for noise immunity

Procurement Notes

Verify the specific suffix 'M' corresponds to the tape-and-reel or tube packaging variant required for your assembly line. Confirm that the 4170 Vrms isolation rating meets the safety clearance requirements of your target application. Ensure the 60mA maximum input current limit is respected in circuit design to prevent LED degradation. Cross-reference the datasheet revision date to ensure compatibility with current manufacturing specifications.

Selection Notes

Select this component when a single-channel isolation barrier is needed with moderate speed characteristics. The NPN phototransistor output is suitable for digital switching applications. Consider the 6-pin DIP package constraints for PCB layout. Verify that the 40% minimum current transfer ratio aligns with the load requirements of the receiving circuitry under worst-case temperature conditions.

Part Context

This part belongs to the CNY series of optocouplers, which are widely used for general-purpose isolation. The CNY17F1M specifically denotes the version with enhanced breakdown voltage capabilities compared to standard variants. It serves as a discrete solution for isolating low-voltage control signals from higher voltage loads in industrial and consumer electronics.

Replacement Considerations

Direct substitutes include CNY17F1SM and CNY17F1SR2M, which share identical electrical characteristics but differ in packaging format. Verify pinout compatibility before substitution. Other CNY17 variants may have different current transfer ratios or isolation voltages and require careful evaluation.