MCT277XSM

Transistor, Photovoltaic Output Optoisolators Overview

The MCT277XSM is a single-element transistor output optocoupler manufactured by Isocom Components. It provides electrical isolation between input and output circuits using an infrared LED coupled to a phototransistor. The device is housed in a DIP-6 package, offering a high isolation voltage rating of 5300V. Key electrical characteristics include a minimum collector-emitter breakdown voltage of 30V and a maximum forward current of 0.06A. The unit supports a nominal current transfer ratio of 100% and features a maximum dark power of 50nA. It operates within a temperature range of -55°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation via infrared coupling
• Features a transistor output stage for signal switching
• UL recognized for safety compliance

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal transmission across isolated ground potentials
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific manufacturer designation, as component data often references Siemens or Infineon origins for this part number series. Confirm that the DIP-6 package and 5300V isolation ratings match the design requirements. Ensure the operating temperature range of -55°C to 100°C is suitable for the intended environment. Cross-reference the current transfer ratio and dark current specifications against the official datasheet to guarantee performance consistency.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage is critical for circuit safety. The DIP-6 package facilitates through-hole mounting on standard PCBs. Consider the 30V collector-emitter breakdown voltage for load compatibility. Verify that the 0.06A maximum forward current meets the drive requirements of the input side. The 100% nominal current transfer ratio ensures reliable signal transmission efficiency.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the family of transistor output optocouplers designed for general-purpose isolation applications. Similar devices typically utilize an infrared LED and phototransistor configuration to transmit digital signals across isolated barriers. The DIP-6 form factor is common for legacy and industrial interfaces requiring robust physical connections and high dielectric strength between separate circuit domains.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct equivalents from manufacturers such as Vishay or Sharp that offer identical DIP-6 packaging and 5300V isolation ratings. Ensure replacement parts maintain the same pinout configuration and electrical parameters, specifically the 30V breakdown voltage and 0.06A forward current limits.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum isolation voltage of the MCT277XSM?

The MCT277XSM supports a maximum insulation voltage of 5300V.

What is the operating temperature range for this optocoupler?

The device operates within a temperature range of -55°C to 100°C.

Does this component have UL recognition?

Yes, the MCT277XSM is UL recognized for safety standards compliance.