SMD infrared diode, also known as surface mount infrared diode, is a widely used component in various electronic devices. It is a semiconductor device that emits infrared light when forward biased. This article aims to provide an in-depth introduction to the SMD infrared diode industry, covering its history, types, applications, and future trends.

History of SMD Infrared Diode

The development of SMD infrared diodes can be traced back to the 1960s. At that time, infrared diodes were mainly used in remote controls and simple communication systems. With the continuous development of semiconductor technology, the size of infrared diodes has been continuously reduced, and their performance has been continuously improved. In the 1980s, SMD infrared diodes began to be used in various electronic products, and their market demand has been increasing year by year.

Types of SMD Infrared Diodes

SMD infrared diodes can be divided into two main types: standard SMD infrared diodes and high-power SMD infrared diodes. 1. Standard SMD infrared diodes: These diodes are mainly used in applications with low power requirements, such as remote controls, wireless communication, and security systems. The typical specifications of standard SMD infrared diodes include a forward voltage of 1.2V-1.5V and a maximum forward current of 50mA-100mA. 2. High-power SMD infrared diodes: These diodes are used in applications with high power requirements, such as infrared night vision devices, infrared illuminators, and laser pointers. The typical specifications of high-power SMD infrared diodes include a forward voltage of 2.0V-3.0V and a maximum forward current of 200mA-500mA.

Applications of SMD Infrared Diodes

SMD infrared diodes have a wide range of applications in various fields. The following are some of the main application areas: 1. Remote controls: SMD infrared diodes are widely used in remote controls for TVs, air conditioners, and other home appliances. They can transmit signals to the host device through infrared light, realizing remote control functions. 2. Wireless communication: SMD infrared diodes are used in wireless communication systems for data transmission. They can achieve short-distance data communication through infrared light, which is widely used in industrial automation, medical equipment, and other fields. 3. Security systems: SMD infrared diodes are used in security systems for infrared detection and alarm functions. They can detect the presence of human or animal bodies through infrared light, and trigger alarms when the detection is successful. 4. Infrared night vision devices: SMD infrared diodes are used in infrared night vision devices to achieve night vision functions. They can convert infrared light into visible light, allowing users to see clearly in the dark. 5. Infrared illuminators: SMD infrared diodes are used in infrared illuminators to provide infrared light for various applications, such as night vision cameras, thermal imaging devices, and other devices.

Market Analysis of SMD Infrared Diode Industry

The SMD infrared diode industry has been growing rapidly in recent years. According to market research, the global SMD infrared diode market size is expected to reach US$ 1.5 billion by 2025. The main driving factors for the growth of the industry include: 1. The continuous expansion of the consumer electronics market: With the rapid development of the consumer electronics industry, the demand for SMD infrared diodes has been increasing year by year. 2. The continuous development of the automotive industry: SMD infrared diodes are widely used in automotive night vision systems, and the rapid development of the automotive industry has driven the demand for SMD infrared diodes. 3. The continuous expansion of the industrial market: SMD infrared diodes are widely used in industrial automation, medical equipment, and other fields, and the continuous expansion of the industrial market has also driven the demand for SMD infrared diodes.

Future Trends of SMD Infrared Diode Industry

Looking ahead, the SMD infrared diode industry is expected to continue to grow in the following aspects: 1. The continuous improvement of performance: With the continuous development of semiconductor technology, the performance of SMD infrared diodes will continue to improve, and their application fields will also expand. 2. The continuous optimization of cost: The cost of SMD infrared diodes will continue to decline with the continuous improvement of production technology, which will further promote the application of SMD infrared diodes in various fields. 3. The continuous expansion of application fields: With the continuous development of new technologies, SMD infrared diodes will be applied in more fields, such as smart home, smart city, and other emerging fields. In conclusion, SMD infrared diodes have become an indispensable component in various electronic devices. With the continuous development of the industry, SMD infrared diodes will play a more important role in the future.