MCT5210W

Transistor, Photovoltaic Output Optoisolators Overview

The MCT5210W is a single-channel transistor output optocoupler from onsemi, housed in a 6-DIP package. It features an AlGaAs infrared LED coupled to an NPN phototransistor with a base lead for enhanced performance. Key electrical parameters include a minimum current transfer ratio (CTR) of 150%, an isolation voltage of 4170 Vrms, and a maximum collector-emitter voltage of 100 V. The device supports a forward current of 50 mA, operates within a temperature range of -40°C to +100°C, and has a power dissipation rating of 225 mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an AlGaAs infrared LED with an NPN phototransistor featuring a base terminal for improved switching speed and linearity.
• Provides high insulation capability suitable for interfacing between CMOS, LSTTL, and TTL logic families.
• Offers a wide operating temperature range to ensure reliability in diverse environmental conditions.

Transistor, Photovoltaic Output Optoisolators Applications

• CMOS and LSTTL/TTL logic interface circuits
• Signal isolation in industrial control systems
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'W' against the manufacturer's latest datasheet to confirm pinout compatibility and packaging dimensions. Ensure the selected component meets the required isolation voltage ratings for your specific safety standards. Cross-reference the CTR specifications with your circuit design requirements to guarantee adequate signal transmission margins under all operating conditions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed switching and linear response are required due to the presence of the phototransistor base. Consider the 6-DIP package constraints for PCB layout. Evaluate the 4170 Vrms isolation rating against system safety requirements. Compare the 150% minimum CTR with alternative devices if higher gain is needed without increasing input current.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the MCT52XXM series, which includes similar optocouplers designed for general-purpose isolation applications. The series is characterized by its use of AlGaAs technology to achieve higher current transfer ratios compared to standard GaAs devices. It serves as a cost-effective solution for basic digital isolation tasks where moderate speed and high reliability are prioritized.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct replacements within the MCT52XXM family, such as the MCT5210M or MCT5211, ensuring pinout and electrical characteristics match. Verify that any substitute maintains the same 6-DIP footprint and isolation voltage ratings to avoid redesigning the host board.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the purpose of the base lead on the phototransistor?

The base lead allows for external biasing or grounding to improve switching speed, reduce storage time, and enhance linearity compared to devices without a base connection.

What is the maximum isolation voltage of the MCT5210W?

The device provides an isolation voltage of 4170 Vrms, making it suitable for applications requiring robust galvanic isolation between input and output circuits.