MCT5201SR2M

Transistor, Photovoltaic Output Optoisolators Overview

The MCT5201SR2M is a single-channel transistor output optocoupler manufactured by onsemi, formerly Fairchild Semiconductor. It features a phototransistor output with a maximum collector-emitter voltage of 30 V and a maximum collector current of 150 mA. The device operates with a forward current of 50 mA and a forward voltage of 1.25 V. It provides an insulation voltage of 5300 Vrms and has a power dissipation rating of 260 mW. The component is housed in a 6-SMD package and supports surface mount installation. Operating temperatures range from -40°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Features low input current requirements for efficient LED driving
• Includes a phototransistor output stage for signal transmission

Transistor, Photovoltaic Output Optoisolators Applications

• General purpose signal isolation in industrial control systems
• Interface circuits for microcontrollers and logic devices
• Power supply feedback loops requiring galvanic isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the current production status as the MCT5201SR2M is listed as obsolete or discontinued by the manufacturer. Confirm availability through authorized distributors or secondary market suppliers. Ensure that any replacement components meet the same electrical specifications and pinout compatibility. Check for RoHS compliance documentation if required for specific regulatory standards. Validate the package type and lead configuration before finalizing procurement decisions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when low input current operation is required to minimize power consumption in the driving circuit. The 5300 Vrms insulation rating makes it suitable for applications demanding robust safety isolation. Consider the 6-SMD package for space-constrained printed circuit board designs. Evaluate the 30 V collector-emitter voltage limit to ensure it matches the load requirements. Verify that the operating temperature range covers the intended environmental conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

The MCT5201SR2M belongs to the MCT5201 series of low input current phototransistor optocouplers originally developed by Fairchild Semiconductor. This series was designed to offer improved efficiency compared to standard optocouplers by reducing the forward current needed for activation. The part number suffix SR2M typically indicates the reel packaging format used for automated assembly processes. The product line has since been integrated into onsemi's portfolio following corporate acquisitions.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The MCT5211SR2M is identified as a potential replacement within the same family. Verify that the substitute maintains identical pin configurations and electrical characteristics. Ensure the replacement component is available in the required SMD package. Cross-reference datasheets to confirm matching insulation voltage and current transfer ratios.