MCT26

Transistor, Photovoltaic Output Optoisolators Overview

The MCT26 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 between input and output circuits. The device utilizes a DC input type and supports through-hole mounting in a standard 6-DIP package. Key electrical specifications include a maximum collector-emitter voltage of 30V, a peak output current of 50mA per channel, and a minimum current transfer ratio of 6% at a forward current of 10mA. The saturation voltage is rated at a maximum of 400mV.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation with a high breakdown voltage rating for noise immunity
• Includes a dedicated base terminal on the phototransistor output for external control or biasing
• Designed for direct interface with digital logic families via DC input

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Microprocessor interface circuits
• Solid-state relay driver applications

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix (e.g., QT, GI) to confirm packaging format and compliance status. Confirm component availability as some variants may be discontinued. Ensure the selected part matches the required DIP package dimensions and pinout configuration for your PCB layout. Cross-reference datasheet revisions to validate electrical parameters against your design requirements.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a transistor output with an exposed base is required for custom biasing or gain adjustment. Verify that the 30V collector voltage and 50mA current limits meet the load requirements. Ensure the 5300Vrms isolation rating satisfies the safety standards of the application environment. Compare the CTR specifications against the driving capability of the input source.

Transistor, Photovoltaic Output Optoisolators Part Context

The MCT26 belongs to the family of general-purpose optocouplers produced by onsemi. These devices are designed to provide reliable electrical isolation in compact packages. The product line typically includes variants with different output types and isolation ratings to suit various industrial and consumer electronic applications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes from onsemi or other manufacturers offering similar 6-DIP transistor output isolators. Verify that replacement parts match the 5300Vrms isolation rating and 30V Vceo specification. Ensure the current transfer ratio and saturation voltage characteristics are compatible with the existing circuit design.