MCT277SM

Transistor, Photovoltaic Output Optoisolators Overview

The MCT277SM is a single-element transistor output optocoupler manufactured by Isocom Components. It features surface mount plastic packaging with six terminals and provides high electrical isolation of 5300 Vrms between the input LED and output phototransistor. The device operates within a temperature range of -55 °C to +100 °C, with a maximum power dissipation of 0.3 W. Key electrical parameters include a minimum collector-emitter breakdown voltage of 30 V, a nominal current transfer ratio of 10%, and a maximum forward current of 0.1 A. It complies with UL recognition standards and RoHS directives.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation via an internal infrared LED coupled to a phototransistor output.
• Designed for surface mount assembly in compact electronic circuits.
• Complies with UL safety recognition standards for component certification.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Interface circuits for microprocessor-based logic systems
• Switching applications requiring electrical isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific part number matches the required surface mount package configuration and lead-free status. Confirm compliance with relevant safety standards such as UL recognition before integration into certified end products. Ensure thermal management aligns with the specified maximum operating temperature and power dissipation limits during design validation.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage is required in a small surface mount footprint. Consider the 10% current transfer ratio for driving subsequent stages and verify that the 30 V collector-emitter breakdown voltage meets the load requirements. Evaluate the -55 °C to +100 °C operating range against environmental conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the family of transistor output optocouplers designed for signal transmission across isolated barriers. It utilizes a single element configuration to provide reliable electrical separation between input and output circuits. The surface mount variant facilitates automated assembly processes while maintaining robust isolation performance.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with other single-element transistor output optocouplers offering similar 5300 V isolation ratings. Verify pinout compatibility and current transfer ratio specifications to ensure functional equivalence in existing circuit designs without requiring layout modifications.