The IR91-21C-105/TR7 is an infrared (IR) emitting diode manufactured by Everlight Electronics Co Ltd. This component is designed to emit infrared light at a specific wavelength, typically used in remote control systems, light barriers, and other applications requiring IR communication or detection.

Applications:

• Remote control systems for TVs, DVD players, and other electronic devices.
• Light barriers for security systems and industrial automation.
• IR data transmission.
• Proximity sensors.
• Optical switches.

Features:

• High radiant intensity.
• Peak wavelength of 940nm.
• Narrow viewing angle.
• High reliability.
• Small package size for compact designs.
• Through-hole mounting.

Benefits:

• Efficient IR emission for reliable communication.
• Compact size allows for integration into small devices.
• Long lifespan ensures consistent performance over time.
• Cost-effective solution for IR-based applications.

Additional Details:

The IR91-21C-105/TR7 typically operates with a forward current, check the datasheet for specific details. The forward voltage and radiant intensity are crucial parameters to consider when designing circuits using this IR LED. The specific package type and dimensions can also be found in the datasheet.