HCPL2531TSVM

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL2531TSVM is a dual-channel high-speed transistor output optocoupler manufactured by onsemi. It features an AlGaAs LED optically coupled to a high-speed photodetector transistor, providing electrical isolation between input and output circuits. The device supports a nominal data rate of 1 MBps and operates with a maximum forward current of 0.025 A. It utilizes a surface-mount DIP-8 package configuration. Key electrical specifications include a maximum operating temperature of 70 °C and a maximum collector current of 0.008 A. The component is designed for applications requiring fast signal transmission with robust common-mode transient immunity.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel architecture with separate photodiode bias connections to minimize base-collector capacitance
• High-speed logic output capability suitable for replacing pulse transformers in digital circuits
• Integrated photodetector provides improved linearity compared to conventional phototransistor types

Transistor, Photovoltaic Output Optoisolators Applications

• Line receivers requiring high common mode transient immunity
• High speed logic ground isolation for TTL/CMOS interfaces
• Analog signal ground isolation where improved linearity is required

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'TSVM' against the manufacturer's official documentation to confirm package type and lead-free status. Confirm availability status as some variants may be subject to obsolescence notices. Ensure the surface-mount DIP-8 footprint matches the target PCB design requirements before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with 1 MBps data rates is required. Consider the surface-mount package constraints and verify thermal limits for the application environment. Compare isolation voltage ratings against system safety standards. Evaluate the open-collector output compatibility with downstream logic families such as TTL or CMOS.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-2531 series of dual-channel high-speed optocouplers. It shares architectural similarities with single-channel counterparts like the 6N135 but offers two isolated channels in one package. The series is designed to replace discrete pulse transformers, saving board space and weight while maintaining high-speed signal integrity in industrial and communication applications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.