TLP295-4(TP,E

Transistor, Photovoltaic Output Optoisolators Overview

The TLP295-4(TP,E) is a four-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It features a DC input configuration with phototransistor outputs housed in a 16-pin SOIC package. The device provides an insulation voltage of 3750 Vrms, ensuring robust signal isolation. Key electrical parameters include a maximum collector-emitter voltage of 80 V and a maximum collector current of 50 mA per channel. The current transfer ratio ranges from 100% to 700%, with a typical forward voltage of 1.2 V at a maximum forward current of 50 mA. The unit exhibits a rise time of 2 µs and supports operation within a temperature range of -55°C to 110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits via optical coupling.
• Integrates four independent channels for multi-signal transmission within a single compact package.
• Utilizes phototransistor outputs suitable for interfacing with digital logic systems.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring isolated signal transmission
• Data communication equipment needing channel separation
• Power supply feedback loops for voltage regulation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (TP,E) confirms the tape-and-reel packaging format and RoHS compliance status. Ensure the ordering part number matches the required 16-SOIC package dimensions. Confirm that the manufacturer designation aligns with Toshiba Semiconductor and Storage to avoid counterfeit components. Cross-reference safety certification marks such as UL or EN if regulatory compliance is mandatory for the end application.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when four isolated channels are required in a surface-mount design. Compare the 3750 Vrms isolation rating against system requirements to ensure adequate safety margins. Evaluate the 100% to 700% current transfer ratio range to verify compatibility with downstream logic levels. Consider the 2 µs switching speed for timing-sensitive applications compared to slower alternatives.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the TLP295 series of transistor output optocouplers. It shares the same pinout and general form factor as the TLP291-4 but offers higher insulation voltage. The series is designed for general-purpose isolation in industrial and consumer electronics. It serves as a direct replacement for older discrete isolation solutions in space-constrained PCB layouts.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: TLP291-4(TP,E). Verify that the substitute maintains the required 3750 Vrms isolation rating and 16-SOIC package compatibility before implementation.