LTV-8141S-TA1

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-8141S-TA1 is a single-channel photodarlington output optocoupler from Lite-On Inc. It features an AC input type and provides high isolation voltage of 5000 Vrms. The device offers a minimum current transfer ratio of 600% and a maximum of 7500%. Key electrical parameters include a maximum collector-emitter voltage of 35 V, a maximum collector current of 80 mA, and a forward voltage of 1.4 V at a maximum forward current of 50 mA. The typical rise time is specified as 300 us.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High current transfer efficiency with a range up to 7500%
• AC input compatibility for direct signal coupling
• Robust insulation capability rated at 5000 Vrms

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation in industrial control systems
• Power supply feedback loops requiring high gain
• Microcontroller interface circuits for AC signal detection

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific package configuration against the datasheet, as distributor listings may vary between SMD and through-hole variants for similar model numbers. Confirm that the required current transfer ratio meets the application's minimum threshold, given the wide variation between 600% and 7500%. Ensure the 35 V collector-emitter voltage rating is sufficient for the target circuit load. Cross-reference the manufacturer part number to avoid confusion with standard LTV-814 series components.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high current gain is necessary for driving loads directly without additional amplification stages. The AC input characteristic simplifies circuit design for alternating signals. Consider the 300 us rise time limitation; it is unsuitable for high-frequency switching applications. Verify thermal management requirements due to the 0.2 W power dissipation rating. Compare against transistor-output alternatives if faster switching speeds are required.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the LTV-814 series of photocouplers, designed for general-purpose isolation. It distinguishes itself from standard transistor-output variants by utilizing a photodarlington structure, which significantly increases the current transfer ratio. This makes it suitable for applications where high sensitivity and gain are prioritized over switching speed.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-814-50AE by Broadcom Limited is a documented alternative.