CNY171VM

Transistor, Photovoltaic Output Optoisolators Overview

The CNY171VM is a single-channel DC-input optocoupler featuring an NPN phototransistor output with a base terminal, manufactured by onsemi. It utilizes a through-hole MDIP-6 package for robust mounting. Key electrical specifications include a maximum collector-emitter voltage of 70 V and a continuous collector current of 50 mA. The device supports a maximum forward current of 60 mA with a typical forward voltage of 1.65 V. It offers a minimum current transfer ratio of 40% and operates within a temperature range of -40 °C to +100 °C. Isolation capabilities are rated at 7500 Vrms, ensuring reliable signal transmission across isolated circuits.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared emitting diode with an NPN phototransistor output that includes a base pin for enhanced switching control and faster response times.
• Provides high-voltage isolation between input and output circuits to protect sensitive components in noisy environments.
• Features a standard six-pin through-hole package designed for reliable mechanical stability in industrial applications.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation systems requiring galvanic isolation for sensor interfaces
• Power supply feedback loops for voltage regulation and monitoring
• Microcontroller input interfacing for level shifting and noise immunity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against the manufacturer's latest documentation to confirm package type and insulation ratings. Ensure the procurement channel provides original manufacturer packaging to maintain component integrity. Cross-reference the date code and lot number with quality certificates to guarantee compliance with RoHS standards and operational reliability requirements.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a phototransistor output with a base terminal is required for improved switching performance compared to standard variants. Consider the 7500 Vrms isolation rating for applications demanding high dielectric strength between circuits. Evaluate the thermal operating range and power dissipation limits to ensure compatibility with the target system's environmental conditions and heat management strategy.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the CNY171 series of transistor-output optocouplers produced by onsemi. The series is widely utilized in general-purpose isolation applications where cost-effectiveness and reliability are prioritized. The inclusion of a base pin distinguishes it from basic phototransistor outputs, allowing for external biasing to optimize speed and linearity in signal transmission tasks.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official substitution guides for equivalent parts with matching isolation voltages and pin configurations. Verify that alternative components support the same current transfer ratio and package dimensions to ensure board compatibility without redesign.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the function of the base pin on the phototransistor?

The base pin allows for external connection to improve switching speed or to provide additional control over the phototransistor's operation, offering greater flexibility than devices without a base terminal.

What is the maximum isolation voltage rating?

The CNY171VM is rated for an isolation voltage of 7500 Vrms, providing robust protection between the input LED and output phototransistor circuits.