MCT4

Transistor, Photovoltaic Output Optoisolators Overview

The MCT4 is a photovoltaic output optoisolator manufactured by onsemi. It features a single channel with 1000VDC isolation voltage. The device provides a minimum current transfer ratio of 15% at a forward current of 10mA. It accepts DC input and utilizes a transistor output type configuration.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Photovoltaic output architecture for galvanic isolation
• High isolation voltage rating of 1000VDC
• Single channel configuration

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply feedback loops
• Microcontroller interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific package variant and date code when sourcing, as this component is listed as obsolete in major distributor catalogs. Confirm availability through authorized channels or approved secondary markets. Ensure the part number matches the exact suffix requirements for your assembly process. Check for potential end-of-life restrictions from the manufacturer before finalizing procurement plans.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage is required in a compact form factor. The photovoltaic output design offers distinct switching characteristics compared to standard transistor outputs. Evaluate the current transfer ratio specifications against your load requirements. Consider the obsolete status when designing for long-term production runs.

Transistor, Photovoltaic Output Optoisolators Part Context

The MCT4 belongs to onsemi’s portfolio of optoelectronic isolation devices. These components are designed to transmit electrical signals between isolated circuits while preventing direct current flow. The photovoltaic output technology distinguishes it from other optocoupler families within the manufacturer's lineup.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

As the MCT4 is marked obsolete, verify equivalent photovoltaic output optoisolators with matching 1000VDC isolation ratings. Cross-reference pinouts and current transfer ratios carefully. Consult official replacement guides from onsemi or compatible manufacturers for validated substitutes.