TLP291(GRH,SE

Transistor, Photovoltaic Output Optoisolators Overview

The TLP291(GRH,SE is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It features a phototransistor output driven by an infrared LED, housed in a compact 4-SO surface-mount package. The device provides high isolation voltage of 3750Vrms between input and output circuits. Key electrical parameters include a maximum collector-emitter voltage of 80V and a continuous collector current of 50mA. The typical rise and fall times are 2µs and 3µs respectively, supporting moderate-speed switching applications.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation for signal transmission between separate circuit domains
• Integrates an infrared emitting diode with a silicon phototransistor detector
• Designed for surface-mount assembly to facilitate automated PCB placement

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation in industrial control systems
• Input/output interface buffering for programmable logic controllers
• Power supply feedback loop isolation for voltage regulation monitoring

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix GRH against official Toshiba documentation to confirm exact binning or packaging specifications. Ensure the component matches the required isolation voltage ratings for your safety standards. Cross-reference the datasheet for absolute maximum ratings to prevent operational damage during integration.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single isolated channel with transistor output is required. Consider the 3750Vrms isolation rating for safety compliance. Evaluate the 50mA output current capability against load requirements. Confirm that the SO-4 package dimensions fit within the available board space constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP series of optocouplers from Toshiba. The series offers various configurations including single and multi-channel options. The TLP291 variant specifically targets general-purpose isolation needs with standard transistor outputs. It serves as a fundamental building block for creating electrically separated communication paths.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes within the same Toshiba family. Verify equivalent isolation voltages and current transfer ratios when evaluating alternative manufacturers. Ensure thermal characteristics match the original design specifications.