LTV-845M

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-845M is a four-channel phototransistor output optocoupler manufactured by Lite-On. It features a surface-mount package with 16 pins, providing electrical isolation via an internal LED and photodarlington array. Key electrical parameters include a minimum current transfer ratio of 600% at 1mA input and a maximum of 7500%. The device supports a maximum collector-emitter voltage of 35V and a peak forward current of 50mA. Isolation voltage is rated at 5000VRMS. Operating temperatures range from -30°C to +100°C, with power dissipation capped at 200mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels for multi-signal isolation
• High current transfer ratio up to 7500%
• Surface-mount 16-pin packaging for automated assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Programmable logic controllers (PLCs)
• Industrial automation systems
• Multi-channel signal isolation interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against official Lite-On documentation to confirm pinout compatibility and package dimensions. Ensure the procurement channel provides valid RoHS compliance certificates. Cross-reference the manufacturer part number with the latest datasheet revision to confirm active status and thermal specifications before finalizing component selection.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-density isolation is required in compact designs. The four-channel configuration reduces board space compared to single-channel alternatives. Verify that the application circuit can accommodate the specified rise and fall times associated with photodarlington outputs. Confirm that the operating temperature range meets the environmental requirements of the target system.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the LTV-845 series of quad-channel optocouplers. It shares functional similarities with other Lite-On quad devices but differs in package type and specific electrical ratings. The M suffix typically denotes a surface-mount variant within the product family, distinguishing it from through-hole counterparts like the standard LTV-845.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other quad-channel phototransistor optocouplers with compatible isolation voltages and CTR ranges. Verify pin-to-pin compatibility if replacing in existing footprints. Consider alternative manufacturers offering similar 16-SMD packages with comparable 5000VRMS isolation ratings.