TLP291(GR-TP,SE

Transistor, Photovoltaic Output Optoisolators Overview

The TLP291(GR-TP,SE is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It features a gallium arsenide infrared emitting diode optically coupled to a phototransistor within a compact SO-4 surface mount package. The device provides high isolation voltage of 3750 Vrms and supports a maximum collector-emitter voltage of 80V with a peak output current of 50mA. Key electrical parameters include a minimum current transfer ratio of 100% at 5mA forward current, a typical rise time of 2µs and fall time of 3µs. It operates across an extended temperature range from -55°C to +110°C and complies with RoHS standards.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using a gallium arsenide infrared LED and phototransistor configuration.
• Features a compact SO-4 surface mount package designed for high-density mounting applications.
• Guarantees wide operating temperature range suitable for demanding industrial environments.

Transistor, Photovoltaic Output Optoisolators Applications

• Small switching power supplies
• Programmable controllers
• General purpose signal isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix GR against official Toshiba documentation to confirm the exact Current Transfer Ratio (CTR) rank and isolation voltage specifications. Ensure the ordering part number matches the required tape and reel packaging format. Confirm compliance requirements such as UL, CSA, and EN standards are met for the target application region before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and small form factor are critical constraints. Compare the CTR rank against system gain requirements to ensure adequate signal transmission. Verify that the SO-4 package dimensions fit the PCB layout. Consider thermal management capabilities within the specified -55°C to +110°C operating range for the intended environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP291 series of transistor output optocouplers. The series includes variants with different CTR ranks and packaging options. The TLP291 family is designed for general-purpose isolation tasks requiring reliable performance in compact spaces. Other members may offer multiple channels or different isolation ratings.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Toshiba's official cross-reference guides for verified alternatives.