MCT273

Transistor, Photovoltaic Output Optoisolators Overview

The MCT273 is a single-channel phototransistor optocoupler manufactured by Isocom Components 2004 Ltd. It features an infrared emitting diode optically coupled to a phototransistor output with a base terminal for sensitivity control. The device provides high isolation voltage of 5300 VRMS and supports a forward current of up to 60 mA. Key electrical parameters include a minimum current transfer ratio of 125% and a maximum of 250%. Total power dissipation is rated at 170 mW, with a reverse voltage capability of 6 V on the collector-emitter junction.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage rating for robust circuit protection
• Phototransistor output with base pin for external biasing or speed adjustment
• Wide current transfer ratio range ensuring reliable signal transmission

Transistor, Photovoltaic Output Optoisolators Applications

• General purpose digital signal isolation
• Microprocessor interface circuits
• Solid-state relay driver stages

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix against the official Isocom datasheet to ensure correct packaging and tape-and-reel specifications. Confirm that the 5300 VRMS isolation rating meets your system safety requirements. Check for RoHS compliance status if required by your manufacturing standards. Ensure the 6-DIP package dimensions fit your PCB layout constraints before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage is critical alongside standard phototransistor output characteristics. The base connection allows for customization of switching speed and gain, offering flexibility in analog or digital applications. Consider the 60 mA forward current limit when designing drive circuits. This part is suitable for general-purpose isolation where cost-effectiveness and proven reliability are prioritized over ultra-high speed performance.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components 2004 Ltd specializes in infrared optoelectronic devices with over 40 years of industry expertise. The company traces its origins to Litronix and Siemens heritage, focusing on plastic commercial products after separating from military ceramic production. Based in the UK with manufacturing in Malaysia, Isocom is recognized as a trusted supplier of optocouplers and optoswitches globally.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

No public confirmed substitute part numbers are available in the provided source material.