TLP734F(D4-C174,F)

Transistor, Photovoltaic Output Optoisolators Overview

The TLP734F(D4-C174,F) is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates an infrared emitting diode with an NPN phototransistor to provide electrical isolation between input and output circuits. The device features a nominal current transfer ratio of 50% and a minimum collector-emitter breakdown voltage of 55 V. It supports a maximum insulation voltage of 4000 Vrms, ensuring robust signal transmission across isolated domains while maintaining low power consumption characteristics typical of this component family.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation via integrated infrared LED and NPN phototransistor architecture
• Ensures reliable signal transmission with a standardized nominal current transfer ratio
• Complies with international safety standards including UL and VDE approvals for industrial applications

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops for voltage regulation
• Microcontroller interface circuits for noise immunity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix C174 against official Toshiba documentation to confirm exact tape-and-reel specifications or marking variations. Ensure compliance requirements match project needs as the base model may have non-RoHS variants. Cross-reference datasheet revision dates to validate parameter consistency before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output is required for moderate-speed switching applications. Consider the 55 V breakdown voltage limit for load compatibility. Verify that the 4000 Vrms isolation rating meets the safety clearance requirements of the target enclosure design compared to alternative optocoupler families.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP734 series of transistor output optocouplers from Toshiba. The series is designed for general-purpose isolation tasks. Variants within the series share similar electrical characteristics but differ in packaging, lead configuration, or regulatory certifications. The F designation typically indicates a specific package type or reel configuration within the broader product line.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include TLP734D4 and TLP734FD4 which share identical electrical parameters. Verify pinout compatibility and isolation voltage ratings before substitution. Alternative brands require matching CTR and breakdown voltage specifications.