The LTST-C193KGKT-5A is a surface-mount device (SMD) LED manufactured by Lite-On. It features an ultra-thin chip design, making it suitable for applications where space is at a premium. With its high brightness AlInGaP chip, this LED provides a green light output, characterized by a dominant wavelength range of 567.5 to 576.5 nm and a peak emission wavelength of 574 nm. The device is designed to be compatible with automatic placement equipment and infrared reflow solder processes, facilitating easy integration into electronic assemblies.
This LED offers a luminous intensity range from 4.5 to 28 mcd at a forward current of 5 mA, along with a broad viewing angle of 130 degrees, making it suitable for a variety of signaling, backlighting, and illumination applications. The forward voltage range is specified as 1.7 to 2.3 V, allowing for efficient operation. Additionally, the LED is packaged in 8mm tape on 7" diameter reels, conforming to EIA standards and ensuring compatibility with industry-standard automated assembly processes.
LED
Surface-mount device (SMD) LEDs are a type of LED specifically designed for automated assembly processes used in the manufacture of electronic devices. These LEDs are characterized by their small size, which allows them to be mounted directly onto the surface of printed circuit boards (PCBs). SMD LEDs are commonly used in a wide range of applications, including indicator lights, backlighting for displays, and general illumination.
When selecting an SMD LED for a project, engineers should consider key parameters such as luminous intensity, viewing angle, wavelength (color), forward voltage, and package size. The luminous intensity affects how bright the LED appears, while the viewing angle determines the spread of light. The wavelength specifies the color of the light emitted, and the forward voltage impacts the power consumption and compatibility with the circuit. The package size is crucial for ensuring the LED fits within the space constraints of the design.
SMD LEDs offer several advantages, including high reliability, long lifespan, and the ability to be reflow soldered, which is compatible with high-volume manufacturing processes. However, careful handling is required to prevent damage from static electricity and surges. Engineers should also consider the thermal management of SMD LEDs, as excessive heat can adversely affect performance and lifespan.
Overall, SMD LEDs are a versatile and efficient solution for adding lighting and indication features to electronic devices. Their small size, combined with a wide range of colors and intensities, makes them suitable for a variety of applications, from consumer electronics to industrial equipment.