LTV-817S-TA1-A-G

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-817S-TA1-A-G is a single-channel surface-mount transistor output optocoupler from Lite-On. It features a GaAs infrared LED coupled to an NPN phototransistor. Key electrical parameters include a maximum collector-emitter voltage of 35V, a peak forward current of 50mA, and a typical forward voltage of 1.2V. The device offers a high isolation voltage of 5000Vrms and a wide operating temperature range from -55°C to +110°C. Current transfer ratio ranges from 50% to 600%, with typical rise and fall times of 4µs and 3µs respectively.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using infrared light transmission.
• Features a compact surface-mount package designed for automated assembly processes.
• Delivers fast switching performance suitable for digital signal isolation applications.

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminal interface circuits
• System appliances and measuring instruments
• Registers, copiers, and automatic vending machines

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'TA1-A-G' against the manufacturer's official datasheet to confirm pinout orientation, tape-and-reel specifications, and RoHS compliance status. Ensure the ordering code matches the exact physical package dimensions required for your PCB footprint. Cross-reference certification marks such as UL, CSA, and VDE if safety approval is mandatory for your end product.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a standard single-channel isolation solution with surface-mount compatibility is required. Consider the 5000Vrms isolation rating for safety-critical interfaces. Evaluate the 50% to 600% CTR range to ensure sufficient gain for your load requirements. Verify that the 35V collector voltage meets the downstream circuit constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the LTV-817 series, a widely recognized family of general-purpose optocouplers. The 'S' designation indicates a surface-mount variant, while 'TA1' specifies the specific package outline and lead configuration. The '-G' suffix typically denotes environmental compliance, such as being halogen-free or RoHS compliant, distinguishing it from standard bulk packaging options.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements within the same series include LTV-817S-TA1 and LTV-817S-TA1-A. For generic equivalents, consider HCPL-2630 or PC123 series devices, ensuring pinout and isolation voltage ratings are compatible. Always verify thermal characteristics and CTR distribution before substituting.