The MCT272SR2M is a surface-mount single-channel optoisolator containing a gallium arsenide infrared emitting diode which is optically coupled to a silicon phototransistor. It is designed for high-density mounting applications. It's offered by both Fairchild Semiconductor (now ON Semiconductor) and ON Semiconductor.

Applications:

• Digital logic inputs
• Microprocessor inputs
• Power supply regulators
• Digital control systems
• Industrial control

Features:

• High Isolation Voltage: 5,300 VRMS
• Current Transfer Ratio (CTR): typically 50% at IF = 10 mA, VCE = 5V
• Operating Temperature: -55°C to +100°C
• Surface Mount Package
• RoHS Compliant

Benefits:

• Provides electrical isolation between input and output
• Compact size ideal for high-density board layouts
• Enhances system safety and reliability by preventing ground loops and isolating sensitive circuits
• High CTR ensures efficient signal transfer
• Wide operating temperature range allows for use in various environments

Additional Details:

The MCT272SR2M comes in a surface mount package. The input diode has a forward voltage of approximately 1.2V, and the output transistor can handle a collector-emitter voltage of up to 70V. It's crucial to consult the datasheet for specific electrical characteristics and application guidelines. The package type is typically a 8-pin Small Outline (SO) package. This optocoupler is a widely used component in isolating control signals from power circuits, protecting sensitive digital circuits from high voltage transients, and enabling safe communication across different ground potentials.