LTST-C190GKT: SMD LED, 0603, Green, 567.5-576.5nm, 1.9-2.4V

The LTST-C190KGKT is a green SMD (Surface-Mount Device) LED, encapsulated in a water-clear lens with a 0603 package footprint. This LED is designed for automated PCB (Printed Circuit Board) assembly, catering to space-sensitive applications. Its ultra-bright AlInGaP chip technology ensures high luminous intensity within a compact form factor. The LED is compatible with automatic placement equipment and adheres to the infrared reflow solder process, facilitating seamless integration into various electronic devices.

Featuring a dominant wavelength range of 567.5 to 576.5 nm, this LED produces a vibrant green light suitable for a wide array of applications, including status indicators, keypad backlighting, and signal luminary. The LED operates within a forward voltage range of 1.9 to 2.4 V, making it energy-efficient for battery-powered devices. Its viewing angle of 130 degrees provides broad spatial illumination, enhancing visibility across different applications.

Key Specifications and Features

  • Package Type: 0603
  • Lens Color: Water Clear
  • Source Color: Green (AlInGaP)
  • Dominant Wavelength: 567.5 to 576.5 nm
  • Luminous Intensity: 18.0 to 71.0 mcd
  • Viewing Angle: 130 degrees
  • Forward Voltage: 1.9 to 2.4 V
  • Reverse Voltage: 5 V
  • Operating Temperature Range: -30 ºC to +85 ºC
  • Storage Temperature Range: -40 ºC to +85 ºC

LTST-C190GKT Datasheet

LTST-C190GKT datasheet (PDF)


  • Telecommunication devices
  • Office automation equipment
  • Home appliances
  • Industrial equipment
  • Keypad/Keyboard Backlighting
  • Status indicators
  • Micro-displays
  • Signal and Symbol Luminary



General information

Surface-Mount Device (SMD) LEDs are compact, energy-efficient light sources used extensively in electronic devices for illumination, signaling, and decoration. These LEDs are designed for direct mounting on printed circuit boards (PCBs), facilitating automated assembly processes and enabling designers to create compact, lightweight devices.

When selecting an SMD LED, engineers should consider parameters such as package size, luminous intensity, color wavelength, and viewing angle. The package size determines the LED's footprint on the PCB, while the luminous intensity and color wavelength define the brightness and color of the emitted light, respectively. The viewing angle affects the spatial distribution of light, important for applications requiring broad illumination.

SMD LEDs are used in a variety of applications, from simple indicator lights to complex backlighting solutions. Their small size, low power consumption, and compatibility with automated manufacturing processes make them ideal for portable, battery-powered devices. Engineers must also consider the LED's compatibility with soldering processes and its electrostatic discharge (ESD) sensitivity during selection and handling.

Overall, SMD LEDs offer a versatile, efficient solution for adding light to electronic designs, with a range of options available to meet diverse requirements.

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