IS281-4GB

The IS281-4GB is an optocoupler manufactured by Isocom Components. Optocouplers, also known as opto-isolators or photocouplers, are electronic components that transfer electrical signals between two isolated circuits using light, providing electrical isolation and noise immunity. The IS281-4GB specifically features a 4-pin DIP (Dual Inline Package) configuration and is designed for high-performance optoelectronic applications.

Key Features:

• Electrical Isolation: Provides electrical isolation between input and output circuits, protecting sensitive components from voltage transients, noise, and ground loop interference.

• Phototransistor Output: Features a phototransistor output configuration, allowing for linear amplification and current switching based on the intensity of the incoming light signal.

• High CTR (Current Transfer Ratio): Offers a high current transfer ratio, indicating the ratio of output current to input current, ensuring efficient signal transmission and amplification.

• Wide Operating Temperature Range: Suitable for operation over a wide temperature range, making it suitable for use in diverse environmental conditions and industrial applications.

• Compact DIP Package: Packaged in a compact 4-pin DIP package, offering ease of installation and compatibility with standard through-hole soldering techniques.

• Low Input Power Consumption: Consumes low input power, minimizing power losses and enhancing energy efficiency in optoelectronic circuits.

• RoHS Compliance: Manufactured using materials and processes compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring environmental sustainability and safety.

• High Reliability: Engineered for high reliability and long-term performance, meeting stringent quality and reliability standards required for industrial and automotive applications.

Applications:

• Signal Isolation: Used for signal isolation in digital and analog circuits, providing protection against voltage spikes, ground loops, and electromagnetic interference.

• Switching Power Supplies: Integrated into switching power supply circuits for feedback isolation, overvoltage protection, and fault detection in power management systems.

• Motor Control: Deployed in motor control circuits for galvanic isolation and noise immunity in variable frequency drives (VFDs), servo drives, and motor controllers.

• Data Communications: Utilized in data communication interfaces such as RS-232, RS-485, and CAN bus for isolating signals between communication nodes and protecting against transient voltages.

• Industrial Automation: Integrated into industrial automation systems for isolating control signals, sensor signals, and communication interfaces in PLCs (Programmable Logic Controllers) and SCADA systems.

• Medical Devices: Used in medical equipment and devices for patient isolation, sensor interfacing, and communication isolation in applications such as patient monitoring systems and diagnostic equipment.

• Instrumentation: Deployed in test and measurement instruments for signal conditioning, data acquisition, and isolation in oscilloscopes, multimeters, and data loggers.

• Automotive Electronics: Utilized in automotive electronics systems for isolating control signals, communication interfaces, and sensor signals in electronic control units (ECUs), engine management systems, and safety systems.