CNY17-3X009

Transistor, Photovoltaic Output Optoisolators Overview

The CNY17-3X009 is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor with a base lead, housed in a 6-SMD gull-wing package. The device provides 5000 Vrms isolation voltage and supports a maximum collector current of 50 mA. Key electrical parameters include a forward current of 60 mA, a typical forward voltage of 1.39 V, and a collector-emitter saturation voltage of 400 mV. The current transfer ratio ranges from 100% to 200% at 10 mA input. Switching characteristics include a rise time of 2 µs and a fall time of 2 µs. It operates within a temperature range of -55°C to 110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage isolation of 5000 Vrms between input and output circuits for safe signal transmission.
• Integrates an NPN phototransistor with a dedicated base terminal to enhance switching speed and control flexibility.
• Delivers consistent signal coupling through a standardized current transfer ratio suitable for digital logic interfacing.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in microprocessor-based control systems
• Switching power supply feedback loops
• Solid-state relay driver circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix X009 confirms the SMD gull-wing packaging and tape-and-reel availability. Ensure the selected variant matches the required current transfer ratio bin (100-200%) for the intended application. Confirm RoHS compliance status and moisture sensitivity level prior to ordering to align with assembly process requirements.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when surface-mount assembly is required alongside high isolation voltage needs. The integrated base lead offers improved switching performance compared to standard phototransistors without base access. Consider the 6-SMD footprint constraints and verify thermal management capabilities within the -55°C to 110°C operating range for robust system design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the CNY17 series of transistor output optocouplers, widely recognized for general-purpose isolation applications. The CNY17-3X009 specifically adapts the traditional DIP form factor into a surface-mount configuration, maintaining the core electrical characteristics while enabling automated PCB placement. It serves as a modern replacement for legacy through-hole variants in compact electronic designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include other Vishay CNY17 series variants with matching SMD packages and isolation ratings, such as CNY17-3X007 or CNY17-3X001, provided the current transfer ratio specifications align with circuit requirements. Cross-brand equivalents must be evaluated for pin compatibility and electrical parameter parity.