LTV-357T-B

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-357T-B is a single-channel DC input optocoupler featuring a phototransistor output. It utilizes a mini-flat surface-mount package with four pins. Key electrical parameters include an isolation voltage of 3750Vrms, a maximum collector-emitter voltage of 35V, and a reverse voltage rating of 6V. The device supports a maximum forward current of 50mA and has a typical power dissipation of 170mW. Timing characteristics specify a typical rise time of 4μs and a fall time of 3μs. The minimum current transfer ratio is 50% at IF=5mA and VCE=5V.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High input-output isolation voltage capability for safety compliance
• Compact mini-flat surface-mount design suitable for high-density PCB layouts
• Dual transmission molding technology for enhanced reliability
• Certified by UL, CSA, FIMKO, NEMKO, DEMKO, SEMKO, and VDE

Transistor, Photovoltaic Output Optoisolators Applications

• Mixed circuit boards requiring high-density installation
• Programmable logic controllers (PLCs)
• Industrial control systems
• Signal isolation in measurement equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation to confirm exact performance tolerances and packaging options. Ensure that the selected variant meets the required safety certifications for the target application region. Confirm that the operating temperature range aligns with the system's thermal environment. Cross-reference the datasheet specifications against the bill of materials to ensure compatibility with existing circuit designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and compact form factor are critical. The phototransistor output is suitable for digital signal isolation applications. Consider the current transfer ratio requirements for driving subsequent logic stages. Evaluate the thermal management needs based on the 170mW power dissipation limit. Ensure the input current does not exceed the maximum rated forward current during operation.

Transistor, Photovoltaic Output Optoisolators Part Context

The LTV-357T-B belongs to the LTV series of optocouplers manufactured by Lite-On Inc. This series is designed for general-purpose isolation applications. The mini-flat package offers a smaller footprint compared to traditional DIP packages. The product line emphasizes reliability through dual transmission molding. It is widely used in industrial and consumer electronics for signal transmission across isolated boundaries.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

LTV-357T-C

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum collector-emitter voltage for the LTV-357T-B?

The maximum collector-emitter voltage is 35V.

Does the LTV-357T-B have any specific safety certifications?

Yes, it is certified by UL, CSA, FIMKO, NEMKO, DEMKO, SEMKO, and VDE.