CNY172W

Transistor, Photovoltaic Output Optoisolators Overview

The CNY172W is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor with a base terminal, housed in a PDIP-6 package for surface mount installation. Key electrical parameters include a maximum collector-emitter voltage of 70 V and a forward current rating of 90 mA. The device provides an insulation voltage of 7500 Vrms and operates within a temperature range of -55°C to +100°C. Additional specifications include a typical current transfer ratio of 125%, a power dissipation of 260 mW, and switching times characterized by a 6 µs rise time and 24 µs fall time.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an NPN phototransistor with a dedicated base terminal for enhanced control capabilities
• Provides high isolation performance with a rated insulation voltage of 7500 Vrms
• Designed for surface mount technology using a compact PDIP-6 package configuration

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation in industrial control systems
• Interface circuits between microcontrollers and high-voltage loads
• Power supply feedback loops requiring galvanic separation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distribution channels due to the presence of obsolete status indicators in public records. Confirm RoHS compliance details directly from the manufacturer datasheet as regulatory status may vary by production batch. Ensure packaging specifications align with surface mount requirements for the PDIP-6 form factor during integration planning.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a phototransistor output with a base pin is required for improved switching speed or linearity compared to standard variants. Consider the 70 V collector-emitter voltage limit for low-to-medium voltage isolation tasks. Evaluate the 7500 Vrms insulation rating against system safety standards to ensure adequate creepage and clearance distances are maintained in the final design layout.

Transistor, Photovoltaic Output Optoisolators Part Context

The CNY172W belongs to the CNY17 series of transistor output optocouplers produced by onsemi. This family is widely utilized for basic isolation functions in electronic circuits. The specific W suffix typically denotes a tape and reel or specific packaging variant within the broader product line, distinguishing it from bulk-packaged equivalents like the CNY172.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official cross-reference guides or contact onsemi technical support for verified alternatives compatible with the PDIP-6 package and NPN phototransistor output characteristics.