The LTST-C191KRKT is a Surface-Mount Device (SMD) LED, manufactured by Lite-On, designed to emit red light with a peak wavelength of 639nm. This LED is characterized by its small form factor and high luminous intensity, making it suitable for a variety of applications where space is limited and high visibility is required.
Featuring a forward voltage range of 2.0 to 2.4 volts and a wide viewing angle of 130 degrees, this LED provides flexibility in design and application. Its electrical and optical characteristics are optimized for a typical forward current of 20mA, ensuring efficient operation.
The LTST-C191KRKT is compatible with automatic placement equipment and infrared reflow solder processes, facilitating easy integration into manufacturing workflows. It comes packaged in 8mm tape on 13" diameter reels, conforming to EIA standards.
LED
Surface-Mount Device (SMD) LEDs are compact, high-performance light sources that are widely used in a variety of electronic applications. They are designed to be mounted directly onto the surface of printed circuit boards (PCBs), offering a space-saving solution for electronic designs. SMD LEDs are available in various colors, intensities, and sizes to suit different applications.
When selecting an SMD LED, it is important to consider parameters such as color, luminous intensity, viewing angle, and forward voltage. These factors determine the LED's suitability for specific applications, from indicator lights to backlighting in displays. The peak and dominant wavelengths provide information about the color of the light emitted, which is crucial for applications requiring specific color characteristics.
The viewing angle is another important specification, indicating the spread of light from the LED. A wider viewing angle means the light is distributed over a larger area, which is beneficial for applications like backlighting. Conversely, a narrower viewing angle focuses the light more directly, making it suitable for targeted illumination.
Finally, the forward voltage and current requirements are critical for designing the power supply circuitry. Ensuring that the LED operates within its specified electrical parameters is essential for achieving optimal performance and longevity. SMD LEDs are favored for their ease of integration into electronic designs, compatibility with automated assembly processes, and versatility in a wide range of applications.