CQY80SM

Overview

The CQY80SM is a surface-mount optoisolator from Isocom Components 2004 LTD, featuring a single channel with a phototransistor output and accessible base terminal. It utilizes a six-pin SMDIP package for compact integration. Key electrical specifications include a maximum forward voltage of 1.65V, a peak forward current of 60 mA, and an isolation voltage of 5300 Vrms. The device exhibits a typical rise time of 2µs and a fall time of 11µs. Current transfer ratios range from 40% to 80%, ensuring reliable signal transmission across the isolation barrier.

Feature Summary

• Integrates a phototransistor output with a dedicated base terminal for enhanced control flexibility
• Provides high-voltage isolation capability suitable for demanding circuit environments
• Designed for surface-mount assembly to facilitate automated manufacturing processes

Applications

• General-purpose digital signal isolation in industrial control systems
• Interface circuits between microcontrollers and high-voltage loads
• Signal transmission in measurement and testing equipment

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm pinout configuration and performance tolerances. Ensure that the selected variant matches the required isolation voltage and current transfer ratio specifications for the target application. Cross-reference part numbers with authorized distributors to confirm authenticity and compliance with relevant safety standards.

Selection Notes

Select this component when a surface-mount solution with base access is required for precise phototransistor biasing. Consider the 5300 Vrms isolation rating for applications involving significant potential differences between input and output circuits. Evaluate the 40-80% current transfer ratio range to ensure adequate drive capability for downstream logic or switching elements within the design constraints.

Part Context

This component belongs to the CNY17 family of optocouplers, adapted for surface-mount technology by Isocom Components 2004 LTD. The series is recognized for its reliability in providing electrical isolation while maintaining signal integrity. The CQY80SM variant specifically addresses the need for compact packaging without compromising the electrical characteristics associated with the traditional through-hole equivalents.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.