LTV-356T-D

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-356T-D is a single-channel transistor-output optoisolator manufactured by Lite-On Inc. It features a Mini-flat SMD-4 package with a thickness of 2.0 mm, offering a compact form factor that reduces volume by approximately 30% compared to traditional DIP types. The device provides high isolation voltage of 3750 Vrms and supports a maximum collector-emitter voltage of 80 V. Typical switching characteristics include rise and fall times of 4 µs and 3 µs, respectively. The current transfer ratio ranges from 300% to 600% at an input forward current of 5 mA. It operates within a temperature range of -55°C to +110°C and complies with RoHS directives.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for safe signal transmission between isolated circuits
• Compact Mini-flat surface-mount design suitable for space-constrained applications
• Fast switching performance with typical rise and fall times under 5 microseconds
• Wide operating temperature range ensuring reliability in harsh environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Communication equipment signal interface isolation
• Power supply feedback loop isolation
• Microcontroller input/output protection circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'D' indicates the tape-and-reel packaging configuration when ordering. Confirm that the required current transfer ratio bin aligns with the application's sensitivity thresholds. Ensure the PCB footprint matches the Mini-flat 4-pin dimensions provided in the mechanical drawings. Check for any regional safety certification requirements such as UL or VDE if the end product demands specific compliance standards.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a small footprint and fast response time are critical for the circuit design. The 80 V collector-emitter voltage rating makes it suitable for medium-voltage switching applications. Consider the 300%-600% CTR range to ensure adequate drive capability for downstream logic levels. Verify that the thermal management strategy accommodates the specified operating temperature range up to 110°C.

Transistor, Photovoltaic Output Optoisolators Part Context

The LTV-356T-D belongs to the LTV-356 series of transistor-output optocouplers from Lite-On. This series is designed to replace larger DIP packages while maintaining similar electrical performance characteristics. The 'D' suffix typically denotes the reel packaging variant, distinguishing it from cut-tape or bulk versions. It shares the same internal phototransistor structure and LED emitter technology as other variants in the family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

• LTV-356T
• LTV-356T-B
• LTV-356T-C

Transistor, Photovoltaic Output Optoisolators FAQ

What is the typical current transfer ratio for the LTV-356T-D?

The current transfer ratio typically ranges from 300% to 600% when tested at an input forward current of 5 mA and a collector-emitter voltage of 5 V.

Does the LTV-356T-D support AC input signals?

No, the LTV-356T-D is designed for DC input signals only, as indicated by its DC input type specification.