TLP291(GRL-TP,SE

Transistor, Photovoltaic Output Optoisolators Overview

The TLP291(GRL-TP,SE 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 an isolation voltage of 3750 Vrms and supports a collector-emitter voltage of 80 V with a maximum collector current of 50 mA. It features a wide operating temperature range from -55°C to +110°C and includes specific suffix designations for tape-and-reel packaging and CTR ranking.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High insulation voltage capability of 3750 Vrms for robust electrical isolation
• Compact SO-4 surface-mount package designed for high-density mounting
• Wide operating temperature range suitable for industrial environments
• Integrated GaAs infrared LED coupled with a phototransistor

Transistor, Photovoltaic Output Optoisolators Applications

• Switching power supplies
• Programmable logic controllers
• Industrial electronic equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the exact CTR rank associated with the GRL suffix against official Toshiba documentation, as rankings vary across the TLP291 family. Confirm that the TP,SE suffix indicates the correct tape-and-reel packaging format required for automated assembly processes. Ensure compatibility with RoHS3 standards if applicable to the specific production batch.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel isolation solution with high voltage withstand capability is required in a small footprint. The wide temperature range makes it suitable for demanding industrial applications. Compare CTR requirements against other TLP291 variants to ensure signal transmission efficiency meets circuit design specifications without excessive drive current.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP291 series, which serves as an upgrade to previous generations like the TLP284 and TLP285. The series is characterized by increased creepage and clearance distances compared to older models, enhancing safety compliance. It is widely used in applications requiring reliable galvanic isolation between control circuits and high-voltage loads.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

TLP291(GB,SE and TLP291(BLL-TP,SE are confirmed substitutes within the same family. Verify CTR ranges and packaging formats before substitution to ensure functional equivalence.