CNY1733S

Transistor, Photovoltaic Output Optoisolators Overview

The CNY1733S is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor with a base terminal for improved switching performance. The device provides electrical isolation with a rated insulation voltage of 5300 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a typical rise time of 1 µs and fall time of 2 µs, and a current transfer ratio ranging from 100% to 200% at a forward current of 10 mA. It operates within a temperature range of -40°C to +100°C and is housed in a 6-SMD surface-mount package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrated base terminal on the phototransistor to enhance switching speed and reduce storage time
• High isolation voltage rating of 5300 Vrms for robust signal separation
• Fast switching characteristics with typical rise and fall times of 1 µs and 2 µs respectively

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial automation systems
• Interface circuits for microcontrollers and logic devices
• Switching power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Check for obsolescence notices as product lifecycle status may affect long-term availability. Ensure packaging integrity matches specified reel or tube formats for surface mount processing.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when fast switching speed is required compared to standard phototransistor optocouplers. The integrated base allows for active discharge of stored charge, improving turn-off time. Verify that the 70 V collector-emitter voltage meets circuit requirements. Ensure the 6-SMD footprint aligns with the printed circuit board layout constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the CNY173 family of high-speed transistor output optocouplers. It serves as a surface-mount variant designed for applications requiring faster response times than conventional isolators. The inclusion of a base terminal distinguishes it from basic phototransistor outputs, offering better control over switching transitions in digital communication interfaces.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

CNY173SR2M is a documented surface-mount alternative within the same family.