MCT2E3SD

Transistor, Photovoltaic Output Optoisolators Overview

The MCT2E3SD is a single-channel optoisolator manufactured by onsemi, featuring a transistor output with an accessible base terminal. It provides a high isolation voltage of 5300Vrms and operates within a temperature range of -55°C to 100°C. The device supports a maximum DC forward current of 100 mA and delivers a collector-emitter saturation voltage of up to 400mV. With a typical switching time of 2µs for both turn-on and turn-off, it ensures rapid signal transmission. The component is housed in a compact 6-SMD gull-wing package, suitable for surface mount applications requiring reliable electrical isolation.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrated base terminal on the phototransistor output for enhanced circuit control flexibility
• High insulation capability rated at 5300Vrms for robust signal isolation
• Wide operating temperature range extending from -55°C to 100°C for diverse environmental conditions

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial communication interface isolation
• Microcontroller input/output isolation
• Power supply feedback loop isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'E3' against official onsemi documentation to confirm compliance with current RoHS directives and manufacturing standards. Confirm that the 6-SMD gull-wing package matches your PCB footprint requirements. Check for end-of-life status or recommended replacement parts such as the CNY172SR2M if availability is a constraint. Ensure the supplier provides valid traceability documents for quality assurance purposes.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a transistor output with a base pin is required for custom biasing or gain adjustment. The 5300Vrms isolation rating makes it suitable for high-voltage noise environments. Consider the 2µs switching speed for moderate-speed digital signals. The wide temperature range supports operation in harsh industrial settings. Verify that the 100mA forward current limit meets the LED drive capabilities of the source circuit.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the MCT2 series of optoisolators from onsemi, designed for general-purpose isolation tasks. The series typically offers various output configurations and isolation voltages. The MCT2E3SD specifically emphasizes the inclusion of a base terminal, distinguishing it from standard transistor outputs. It is commonly used in applications where precise control over the phototransistor's operating point is necessary.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The CNY172SR2M is listed as a similar alternative part number.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the purpose of the base terminal on the MCT2E3SD?

The base terminal allows for external connection to adjust the sensitivity or switching characteristics of the phototransistor, providing greater flexibility than standard isolated transistor outputs.

What is the maximum isolation voltage of this component?

The MCT2E3SD supports an isolation voltage of 5300Vrms between the input LED and the output transistor.