TLP291(GR,E)

Transistor, Photovoltaic Output Optoisolators Overview

The TLP291(GR,E) is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a Gallium Arsenide infrared emitting diode with a phototransistor in a compact SO-4 surface mount package. The device provides high isolation voltage of 3750Vrms, ensuring reliable signal transmission across isolated circuits. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum forward current of 50mA, and a typical rise/fall time of 2µs/3µs. It operates within a wide temperature range from -55°C to +110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for safe circuit separation
• Compact thin SO-4 surface mount packaging for space-constrained designs
• Wide operating temperature range suitable for harsh environments
• Fast switching speed with low propagation delay

Transistor, Photovoltaic Output Optoisolators Applications

• Small switching power supplies
• Programmable logic controllers (PLCs)
• Communication interface circuits
• Hybrid IC input stages

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'GR' against official Toshiba documentation to confirm current transfer ratio ranking and compliance status. Ensure the ordering part number matches the exact package variant required. Cross-reference safety certifications such as UL, CSA, or VDE if regulatory approval is mandatory for the end application. Confirm RoHS compliance details directly from the manufacturer's latest datasheet.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and small footprint are critical requirements. The single-channel configuration simplifies board layout compared to multi-channel alternatives. Consider the CTR ranking associated with the 'GR' suffix to ensure adequate gain for the specific load conditions. Verify that the 50mA forward current limit aligns with the driving circuit capabilities.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the TLP291 series of transistor output optocouplers. The series is designed for general-purpose isolation applications requiring robust performance in a minimal package size. The TLP291 family offers various pin configurations and channel counts, with the single-channel SO-4 variant providing an efficient solution for basic signal isolation tasks in industrial and consumer electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers for TLP291(GR,E) were not found in the provided source material. Consult Toshiba's official replacement guide or distributor cross-reference tools for verified equivalents.