LTV-844S

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-844S is a four-channel surface-mount optocoupler manufactured by Lite-On Inc. It features transistor outputs and a 16-pin SMD package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Typical response time is 4 µs, with a minimum current transfer ratio of 20%. Maximum collector current is 50 mA, and the maximum forward voltage is 1.4V.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels for multi-signal isolation
• High input-output isolation voltage of 5000 Vrms
• Low collector dark current for reliable performance
• Surface-mount packaging for automated assembly

Transistor, Photovoltaic Output Optoisolators Applications

• LED controller circuits
• Industrial signal isolation
• Computer peripheral interfaces
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., TA1) against the manufacturer's official datasheet to confirm tape-and-reel packaging requirements. Ensure the component is sourced from authorized distributors to guarantee authenticity and compliance with RoHS standards. Cross-reference the part number with the latest Lite-On documentation to confirm active status and availability.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact surface-mount form factor. The transistor output type suits applications needing moderate speed and current drive capabilities. Verify that the 5000 Vrms isolation rating meets the safety requirements of the target system design.

Transistor, Photovoltaic Output Optoisolators Part Context

The LTV-844S belongs to Lite-On's LTV-844 series of phototransistor output optoisolators. It is designed for general-purpose digital signal isolation in space-constrained applications. The series offers high reliability and consistent performance across temperature ranges, making it suitable for industrial and consumer electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check Lite-On's official substitution guide for compatible alternatives. Consider the LTV-844S-TA1 variant if reel packaging is preferred over tube. Verify pinout compatibility and electrical parameters before substituting with other manufacturers' quad-channel optocouplers.