MCT273XSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The MCT273XSMT&R is a surface-mount optocoupler manufactured by Isocom Components 2004 LTD. It features a single channel with a phototransistor output that includes a base terminal for enhanced switching control. The device utilizes a six-pin PDIP package suitable for automated assembly. Key electrical specifications include a maximum forward current of 60 mA and an isolation voltage rating of 5.3 kVrms. The unit exhibits a typical rise time of 2 µs and a typical fall time of 11 µs. The current transfer ratio ranges from a minimum of 40% to a maximum of 80%, ensuring reliable signal transmission across the isolation barrier.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a phototransistor output with an accessible base terminal to facilitate faster switching speeds and improved circuit control.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation systems requiring galvanic isolation
• Signal interfacing between microcontrollers and high-voltage loads
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm that the received part matches the MCT273XSMT&R designation exactly. Check datasheets for updated environmental compliance status and ensure handling procedures adhere to electrostatic discharge precautions during storage and installation.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a surface-mount solution with base-driven transistor output is required for moderate-speed applications. Consider the 5.3 kVrms isolation rating for safety-critical designs. Evaluate the 60 mA input limit against drive capabilities and verify package compatibility with PCB layout constraints before finalizing the design.

Transistor, Photovoltaic Output Optoisolators Part Context

This model belongs to the MCT273 series of optocouplers, designed for general-purpose isolation tasks. It represents a surface-mount variant of traditional DIP optocouplers, offering space-saving benefits for modern electronics while maintaining robust electrical isolation characteristics comparable to legacy through-hole components.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other surface-mount optocouplers with similar pin configurations and base-driven outputs. Verify that alternative parts meet the same 5.3 kVrms isolation requirement and match the physical footprint dimensions to ensure seamless integration without PCB redesign.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the function of the base terminal on the phototransistor?

The base terminal allows external biasing or pull-down connections, enabling faster turn-off times and improved control over the output state compared to standard phototransistors without base access.

What is the maximum isolation voltage rating?

The device supports an isolation voltage of 5.3 kVrms, providing robust protection between input and output circuits in high-noise environments.