The LLI-2203 optical coupler from SENBA is a high-reliability isolation component designed for efficient signal transmission in industrial and control applications. Featuring a cylindrical double-row straight plug package, it offers robust mechanical stability and easy installation in specialized circuit designs.
Engineered with advanced optoelectronic coupling technology, the LLI-2203 ensures secure electrical isolation between input and output circuits while maintaining excellent signal integrity. It operates with a 5V DC input voltage and supports an input current range of 0–10mA, making it suitable for low-power control and logic systems. With an insulation voltage exceeding 2500VRMS, it provides strong protection against high-voltage surges and electrical noise, enhancing overall system safety and reliability.
The device supports a working frequency of up to 300kHz, enabling fast switching and stable signal transmission in high-speed applications. Designed for dependable operation, it functions within a temperature range of -25°C to +70°C and supports storage from -30°C to +80°C, ensuring consistent performance in varied environments.
Compared to conventional optocouplers, the LLI-2203 offers improved structural durability, reliable isolation performance, and better adaptability for industrial-grade applications.
Key Features:
- High isolation voltage: >2500VRMS
- Input voltage: 5V DC
- Input current: 0–10mA
- Fast switching frequency up to 300kHz
- Cylindrical double-row straight plug design
- Strong noise immunity and stable performance
Applications:
- Industrial automation and control systems
- Signal isolation in power electronics
- Microcontroller and PLC interfacing
- Communication and data transmission systems
- Switching circuits and protection systems
- Embedded and control applications
- Harsh environment electronic systems
