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  • 2024-10-31 15:52:35
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LED Emitters - Infrared: A Deep Dive

Infrared (IR) LED emitters have become indispensable components in a wide array of electronic devices and industrial applications. From remote controls and optical mice to advanced sensing systems and fiber-optic communications, IR LEDs play a crucial role in enabling various functionalities. In this article, we delve into the key aspects of IR LED emitters, including manufacturers, component types, applications, and packaging options. 

Manufacturers: Powering Innovation

Numerous manufacturers have established themselves as leaders in the IR LED market. Some of the prominent players include:

Vishay: A global leader in discrete semiconductors and optoelectronics, Vishay provides a wide selection of IR LEDs with different wavelengths and power outputs.

Everlight: A leading global optoelectronics manufacturer, Everlight offers a broad portfolio of IR LEDs for consumer and industrial applications.

Kingbright: Specializing in optoelectronic components, Kingbright provides a variety of IR LEDs, including surface-mount and through-hole packages.

 

Component Types and Characteristics

IR LEDs are characterized by their wavelength, power output, and viewing angle. Common wavelengths for IR LEDs include 850nm and 940nm. These wavelengths are often chosen for their specific applications, such as:

850nm: Widely used in consumer electronics, such as remote controls and optical mice.

940nm: Often used in industrial applications, such as machine vision systems and object detection.

Other important characteristics of IR LEDs include:

Radiant intensity: Measures the amount of light emitted per unit solid angle.

Spectral width: Defines the range of wavelengths emitted by the LED.

Response time: The time it takes for the LED to reach its maximum output after being turned on.

 

Applications: Expanding Horizons

IR LEDs find applications in a multitude of industries and devices, including:

Consumer electronics: Remote controls, optical mice, and gaming consoles.

Industrial automation: Object detection, proximity sensing, and machine vision systems.

Automotive: Night vision systems, interior lighting, and sensor applications.

Medical Devices: Infrared thermometers, blood oxygen monitors, and imaging systems.

Security Systems: Surveillance cameras, intrusion detection systems, and access control.

Fiber-optic Communications: Data transmission and networking.

 

Conclusion

Infrared LED emitters have become essential components in modern electronics, enabling a wide range of applications. By understanding the key characteristics, manufacturers, and applications of IR LEDs, engineers and designers can select the optimal components for their specific projects. As technology continues to advance, we can expect to see even more innovative and sophisticated applications of IR LEDs in the future.

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