CNY17-4S-TA1

Transistor, Photovoltaic Output Optoisolators Overview

The CNY17-4S-TA1 is a single-channel surface-mount optocoupler from Lite-On, housed in a 6-pin PDIP package. It features an NPN phototransistor output with accessible base pin for gain control. Key electrical parameters include a maximum forward voltage of 1.65V and a peak forward input current of 60mA. The device provides high isolation with a rated voltage of 5000Vrms. Typical switching times are 5μs for both rise and fall durations. The collector-emitter saturation voltage is specified at 300mV, with a maximum collector current of 150mA and a collector-emitter voltage rating of 70V. Operating temperature ranges from -55°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits via optical transmission.
• Includes an exposed base terminal on the phototransistor to allow external biasing or speed enhancement.
• Designed for surface-mount assembly within a compact 6-pin dual in-line package.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Switching power supply feedback loops
• Microcontroller interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix TA1 against official datasheets to confirm packaging configuration and reel specifications. Ensure the procurement channel provides traceable documentation matching the manufacturer's part identification. Cross-reference the component marking with the official Lite-On database to prevent counterfeit substitution. Confirm that the received units match the exact series designation before integration into production lines.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when surface-mount technology is required for signal isolation applications. The exposed base pin offers flexibility for optimizing switching speed or sensitivity compared to standard variants. Verify that the 5000Vrms isolation rating meets the safety requirements of the target circuit environment. Ensure the operating temperature range aligns with the environmental conditions of the final application.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the CNY17 series of transistor-output optocouplers manufactured by Lite-On. The series is characterized by high collector-emitter voltage capabilities and robust input-output isolation. The CNY17-4S variant specifically denotes the surface-mount version with six pins, distinguishing it from through-hole counterparts like the CNY17-2.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes include the CNY17-1S-TA1 and CNY17-3S-TA1. These alternatives share the same package type and isolation ratings but differ in current transfer ratio characteristics. Verify functional equivalence regarding switching speeds and electrical limits before substitution.