TLP734F(D4GRLF4,MF

Transistor, Photovoltaic Output Optoisolators Overview

The TLP734F(D4GRLF4,MF) is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It features a gallium arsenide infrared LED coupled to an NPN phototransistor within a compact package. The device provides high isolation voltage of 4000 Vrms between input and output circuits, ensuring reliable signal transmission in electrically noisy environments. Key electrical parameters include a collector-emitter breakdown voltage of 55 V and a nominal current transfer ratio of 50%. The component is designed for general-purpose switching applications requiring galvanic isolation.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High insulation voltage capability for robust circuit isolation
• Single channel configuration with NPN phototransistor output
• Compliant with international safety standards including UL and VDE approvals

Transistor, Photovoltaic Output Optoisolators Applications

• General purpose signal isolation in industrial control systems
• Interface circuits for microcontrollers and logic devices
• Power supply feedback loop isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix codes (D4, GR, LF4, MF) against the manufacturer's official datasheet to confirm exact packaging, lead content status, and tape-and-reel specifications. Ensure that the procurement order matches the required compliance certifications such as UL and VDE recognition. Cross-reference the part number with the latest Toshiba documentation to avoid discrepancies in pinout or thermal characteristics.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output is required with moderate current transfer ratio. Consider the 55 V collector-emitter breakdown voltage limit for load switching requirements. Verify that the operating temperature range aligns with the system environment. Compare against similar TLP733 variants if higher current transfer ratio is needed, while ensuring package compatibility with the PCB layout.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP733/734 series of transistor output optocouplers from Toshiba. The series is characterized by small plastic packages and high reliability for general-purpose isolation. The 'F' designation typically indicates a specific package variant or reel configuration compared to standard DIP versions. The series is widely used in consumer and industrial electronics for signal coupling.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements may include TLP733D4 or TLP734D4 from the same family, provided the current transfer ratio and package dimensions are compatible. Verify that substitute parts meet the same UL and VDE safety certification requirements. Check for equivalent collector-emitter breakdown voltage and propagation delay characteristics to ensure functional parity.