TLP388(D4,E

Transistor, Photovoltaic Output Optoisolators Overview

The TLP388(D4,E is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It features a phototransistor output with a maximum collector-emitter voltage of 350V and a continuous collector current of 50mA. The device provides high isolation capability with an insulation voltage of 5000Vrms. Electrical performance includes a typical rise time of 2µs and fall time of 3µs, with a current transfer ratio ranging from 50% to 600%. It operates within a temperature range of -55°C to +125°C and is housed in a surface-mount SO-6 package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High voltage isolation rating of 5000Vrms for safe signal transmission between isolated circuits
• Fast switching speed with typical rise and fall times of 2µs and 3µs respectively
• Wide operating temperature range supporting extreme environmental conditions
• High current transfer ratio ensuring efficient signal coupling

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops for voltage regulation
• Solid-state relay driver circuits
• Signal isolation in measurement and testing equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation (D4-TPL,E or similar) against official Toshiba documentation to ensure correct packaging configuration. Confirm that the component meets required safety certifications such as UL, CSA, VDE, and cUL for the intended application environment. Cross-reference the datasheet parameters with system requirements before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high voltage isolation and fast switching speeds are critical for circuit performance. Ensure the input forward current and output load requirements align with the specified current transfer ratio limits. Consider the thermal management capabilities given the wide operating temperature range and power dissipation specifications during design integration.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP series of photocouplers from Toshiba Semiconductor and Storage. It is designed for general-purpose isolation applications where reliability and safety standards compliance are essential. The series offers various packaging options to suit different manufacturing processes and space constraints.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official Toshiba substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameter equivalence if considering cross-manufacturer replacements.