LTV-817S

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-817S is a single-channel surface-mount photocoupler from Lite-On, utilizing an infrared LED and phototransistor for signal isolation. It features a SMD-4 package with wide pin spacing to facilitate automated assembly. The device provides high input-output isolation voltage of 5000Vrms and meets RoHS standards. Key electrical parameters include a minimum current transfer ratio (CTR) of 50% at IF=5mA and VCE=5V, typical rise/fall times of 4μs/3μs, and a maximum collector-emitter saturation voltage of 200mV. It operates within a temperature range of -30°C to +110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High density mounting type suitable for automated surface mount assembly
• High input-output isolation voltage ensuring safe signal transmission
• Wide pin spacing design to prevent solder bridging during manufacturing

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Power supply feedback loops
• Communication interface isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., TA, TP) against the required packaging format, as standard LTV-817S may refer to the component family rather than a specific reel configuration. Confirm RoHS compliance status if environmental regulations are strict. Ensure the selected variant matches the required lead frame material and insulation class for your application's safety certifications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when space constraints require a surface-mount solution over through-hole DIP packages. The wide pin spacing reduces soldering defects compared to standard SOIC packages. Consider the CTR range and isolation voltage requirements to ensure compatibility with the driving circuit and load conditions. Verify thermal dissipation capabilities within the specified operating temperature range.

Transistor, Photovoltaic Output Optoisolators Part Context

The LTV-817S belongs to the LTV-817 series, which includes various through-hole and surface-mount variants. This specific model represents the surface-mount version designed for high-density PCB layouts. It shares functional similarities with other optocouplers but offers distinct mechanical advantages due to its SMD-4 footprint and wide pin pitch.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

LTV-817S-TA1

Transistor, Photovoltaic Output Optoisolators FAQ

What is the typical response time of the LTV-817S?

The typical rise time is 4μs and the typical fall time is 3μs under standard test conditions.

Does the LTV-817S support automated assembly?

Yes, it is designed as a high-density mounting type with wide pin spacing to facilitate surface mount technology (SMT) processes.