The ASSR-4110 is a miniature surface mount single channel half-pitch phototransistor optocoupler from Avago Technologies. This optocoupler is designed for high-density mounting applications where board space is a premium. It provides electrical isolation between input and output circuits, allowing for safe and reliable signal transmission in various industrial and commercial applications.

Applications

• Digital logic input isolation
• Microprocessor system interface
• Isolated analog signal transmission
• Switching power supplies
• Programmable controllers

Features

• Miniature surface mount package
• High current transfer ratio (CTR)
• High isolation voltage
• Low input current requirement
• Compatible with reflow soldering

Benefits

• Saves board space due to small package size
• Provides reliable electrical isolation
• Ensures compatibility with various logic circuits
• Reduces power consumption in input circuit
• Simplifies manufacturing process with surface mount technology

Additional Details

The ASSR-4110 features a GaAlAs infrared emitting diode optically coupled to a silicon NPN phototransistor. It offers a high current transfer ratio, typically ranging from 50% to 600% depending on the specific part marking and operating conditions. The isolation voltage is typically 3750 VRMS. The operating temperature ranges from -40°C to +85°C. This optocoupler is designed to meet stringent safety standards and is suitable for use in demanding industrial environments.