LTV-844H

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-844H is a four-channel transistor output optocoupler manufactured by Lite-On Inc. It features an NPN phototransistor output with a maximum collector-emitter voltage of 35 V and a maximum collector current of 50 mA. The device provides high insulation capability with an isolation voltage of 5000 Vrms. Key electrical parameters include a minimum current transfer ratio of 20% and a maximum of 300%, with a forward voltage of 1.4 V at a forward current of 50 mA. The package is a 16-pin DIP, suitable for through-hole mounting.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels for multi-signal isolation
• High insulation voltage rating of 5000 Vrms
• NPN phototransistor output configuration

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Computer peripheral interface circuits
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., H) against the manufacturer's official datasheet to ensure correct packaging and performance specifications. Confirm RoHS compliance status and lead-free requirements directly with the supplier or manufacturer documentation before ordering. Ensure the procurement source provides valid traceability for electronic components.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when four isolated channels are required within a single package. Consider the 5000 Vrms insulation rating for high-voltage separation needs. Verify that the NPN output type matches the downstream circuit requirements. Check the current transfer ratio range to ensure adequate signal transmission efficiency for the application load.

Transistor, Photovoltaic Output Optoisolators Part Context

The LTV-844H belongs to the LTV-844 series of quad-channel optocouplers from Lite-On. This series is designed for general-purpose isolation applications where multiple signals need to be transmitted across an isolation barrier. The family includes variants with different packaging options such as surface mount and through-hole configurations.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with other quad-channel transistor output optocouplers offering similar 5000 Vrms isolation and DIP-16 packaging. Verify pinout compatibility and electrical parameter equivalence, including current transfer ratio and switching times, before substituting.