The Refond RF-RUB190TS-BD is a surface-mount device (SMD) LED that comes in a compact 0603 package, making it suitable for high-density mounting on printed circuit boards (PCBs). This LED features a dominant wavelength range of 625 to 645 nm, providing a red light output suitable for various signaling, indicator, and lighting applications. With a forward current rating of 20 mA and a wide viewing angle of 140 degrees, this LED is designed for applications requiring good visibility from different angles.
Key attributes of the RF-RUB190TS-BD include its electro-optical characteristics, which ensure consistent performance across the specified operating conditions. The LED's luminous intensity ranges from 30 to 150 mcd depending on the specific conditions, offering flexibility in brightness for different applications. Additionally, the LED is compatible with lead-free soldering, adhering to current environmental and manufacturing standards.
LED
Light Emitting Diodes (LEDs) are semiconductor devices that emit light when an electrical current is passed through them. They are widely used in a variety of applications, from simple indicator lights to complex displays and lighting systems. LEDs offer several advantages over traditional incandescent bulbs, including lower energy consumption, longer lifetime, improved physical robustness, smaller size, and faster switching.
When selecting an LED for a particular application, several factors should be considered, including the LED's wavelength (color), luminous intensity, forward current, viewing angle, and package size. The choice of wavelength depends on the desired color of light, while the luminous intensity affects the brightness of the LED. The forward current and viewing angle determine the LED's electrical and optical performance, respectively. The package size is important for the physical integration of the LED into the application.
LEDs are used in a wide range of applications, from simple indicator lights on electronic devices to large-scale lighting solutions. Their energy efficiency and long life make them particularly suited for applications where replacing light sources is difficult or expensive. Additionally, the ability to control the brightness and color of LEDs has led to their widespread use in decorative and architectural lighting.
In summary, LEDs are versatile, efficient, and durable light sources that have revolutionized the lighting industry. Engineers selecting LEDs for their projects must consider the specific requirements of their applications, including the desired color, brightness, electrical characteristics, and physical size of the LED.