LTV-817

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-817 is a single-channel transistor-output optoisolator from the LTV-8x7 series, manufactured by Lite-On Inc. It provides electrical isolation with a rated voltage of 5000Vrms. The device features an NPN phototransistor output capable of handling a maximum collector current of 50mA and a collector-emitter voltage of 35V. Key performance metrics include a minimum current transfer ratio (CTR) of 50% at 5mA input, typical rise and fall times of 4µs and 3µs respectively, and a maximum forward voltage of 1.2V to 1.4V. It operates within a temperature range of -55°C to 110°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-density mounting with robust input-output isolation capabilities.
• Features a standard NPN phototransistor output for reliable signal transmission.
• Designed for DC input applications with fast switching response times.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback circuits
• Signal level shifting between different voltage domains

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through official Lite-On channels or authorized distributors. Confirm package type availability matches design requirements, as variations exist between DIP and SMD formats. Check RoHS compliance status for environmental regulations. Ensure storage conditions adhere to moisture sensitivity levels specified in the datasheet to maintain reliability before soldering.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select the LTV-817 when a cost-effective, general-purpose optoisolator with moderate speed is required. Compare CTR specifications against circuit gain requirements to ensure proper saturation. Consider thermal management if operating near the upper temperature limit. Evaluate package constraints for PCB layout compatibility, noting differences between through-hole and surface-mount variants within the same family.

Transistor, Photovoltaic Output Optoisolators Part Context

The LTV-817 belongs to the LTV-8x7 series, a widely used line of photocouplers known for their versatility in industrial and consumer electronics. This series includes various package options such as DIP-4 and SMD configurations, allowing designers flexibility in assembly methods while maintaining consistent electrical characteristics across the product line.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-817-300E and HCPL-817-30CE are documented similar alternatives from Broadcom Limited. Verify pinout compatibility and specific CTR ranges before substitution to ensure circuit functionality remains intact without redesign.