Introducing the IR LED 5mm 940nm Datasheet: A Comprehensive Guide to Infrared Emitting Diodes

Introduction to IR LED 5mm 940nm Datasheet

The IR LED 5mm 940nm datasheet is a crucial document for engineers, designers, and hobbyists working with infrared emitting diodes (IR LEDs). This datasheet provides essential information about the performance, specifications, and application of the 5mm IR LED with a peak emission wavelength of 940nm. In this article, we will delve into the details of the IR LED 5mm 940nm datasheet, highlighting its significance in the industry and discussing its various applications.

Understanding IR LEDs

Infrared LEDs, also known as IR emitters, are semiconductor devices that emit infrared radiation when an electric current passes through them. They are widely used in various applications, including remote controls, surveillance systems, medical devices, and communication systems. IR LEDs come in different sizes, shapes, and wavelengths, with the 5mm 940nm IR LED being one of the most popular options. The 940nm wavelength falls within the near-infrared spectrum, which is just beyond the visible light range. This makes it suitable for applications where invisible light is required, such as in night vision devices, thermal imaging cameras, and wireless communication systems.

Key Specifications of the IR LED 5mm 940nm Datasheet

The IR LED 5mm 940nm datasheet contains several critical specifications that help users understand the performance and limitations of the device. Here are some of the key specifications typically found in this datasheet: 1. Forward Voltage: The forward voltage is the voltage required to forward bias the IR LED and make it emit light. For the 5mm 940nm IR LED, the typical forward voltage is around 1.2V to 1.5V. 2. Forward Current: The forward current is the maximum current that can be safely passed through the IR LED without causing damage. For the 5mm 940nm IR LED, the maximum forward current is usually around 20mA to 30mA. 3. Emitter Diameter: The emitter diameter is the size of the area where the IR LED emits light. In the case of the 5mm 940nm IR LED, the emitter diameter is 5mm. 4. Emitter Length: The emitter length is the distance from the top of the IR LED to the emitter surface. For the 5mm 940nm IR LED, the emitter length is typically around 2mm to 3mm. 5. Wavelength: The peak emission wavelength of the IR LED is 940nm, which falls within the near-infrared spectrum. 6. Luminous Intensity: The luminous intensity is the amount of light emitted by the IR LED. It is typically measured in milliwatts (mW) and can range from 5mW to 20mW for the 5mm 940nm IR LED. 7. View Angle: The view angle is the angle within which the IR LED emits light. For the 5mm 940nm IR LED, the view angle is usually around 120 degrees.

Applications of the IR LED 5mm 940nm Datasheet

The IR LED 5mm 940nm datasheet is essential for various applications, some of which include: 1. Remote Controls: IR LEDs are widely used in remote controls for consumer electronics, such as televisions, air conditioners, and audio systems. The 5mm 940nm IR LED is suitable for this application due to its long wavelength and low cost. 2. Surveillance Systems: IR LEDs are used in security cameras and motion sensors to detect movement in low-light conditions. The 5mm 940nm IR LED provides sufficient light for these applications while remaining invisible to the naked eye. 3. Medical Devices: IR LEDs are used in medical devices for various purposes, such as thermotherapy, phototherapy, and wound healing. The 940nm wavelength is particularly useful for these applications due to its ability to penetrate tissue and promote healing. 4. Communication Systems: IR LEDs are used in wireless communication systems for transmitting data over short distances. The 5mm 940nm IR LED is suitable for this application due to its high-speed data transmission capabilities. 5. Automotive Industry: IR LEDs are used in automotive applications, such as parking sensors, reverse cameras, and dashboard displays. The 5mm 940nm IR LED is ideal for these applications due to its compact size and high efficiency.

Conclusion

The IR LED 5mm 940nm datasheet is a valuable resource for anyone working with infrared emitting diodes. By providing essential information about the performance, specifications, and applications of the 5mm 940nm IR LED, this datasheet helps engineers, designers, and hobbyists make informed decisions when selecting and using IR LEDs in their projects. As the demand for IR LEDs continues to grow in various industries, the importance of the IR LED 5mm 940nm datasheet will only increase.