The SIR11-21C/L9/TR8 is an infrared (IR) emitting diode manufactured by Everlight Electronics Co., Ltd. It is designed for various remote control and optical sensing applications.

Applications

• Remote Controls: Used in remote controls for TVs, DVD players, and other electronic devices.
• Optical Sensors: Employed in optical sensors for object detection and proximity sensing.
• Light Barriers: Used in light barrier systems for security and automation.
• IR Communication: Integrated into systems for infrared data communication.
• Touch Panel Devices: Used in touch panel applications.

Features

• High Radiant Intensity: Delivers high radiant intensity for reliable signal transmission.
• Peak Emission Wavelength: Emits infrared light at a peak wavelength of typically 940nm.
• Narrow Viewing Angle: Provides a narrow viewing angle for focused signal transmission.
• Small Package Size: Compact size for easy integration into various applications.
• High Reliability: Designed for long-term reliability and stable performance.

Benefits

• Effective Remote Control: High radiant intensity ensures reliable signal transmission for remote control applications.
• Accurate Object Detection: Suitable for accurate object detection in optical sensing applications.
• Compact Design: Small package size allows for easy integration into space-constrained designs.
• Long-Term Reliability: High reliability ensures stable performance over an extended period.
• Easy to Use: Simple to integrate into existing systems.

Technical Specifications:

• Peak Emission Wavelength: 940 nm (typical).
• Radiant Intensity: Specified in mW/sr (values vary depending on drive current).
• Forward Voltage: Typically around 1.2V to 1.5V.
• Viewing Angle: Typically around 20 to 30 degrees.
• Package: Surface Mount Device (SMD).

The Everlight SIR11-21C/L9/TR8 is a reliable and efficient infrared emitting diode suitable for a variety of applications including remote controls, optical sensors, and light barriers. Its high radiant intensity, narrow viewing angle, and compact size make it a versatile choice for many designs.