TLHG4400-AS12

LED Indication - Discrete Overview

The TLHG4400-AS12 is a green diffused LED indicator from Vishay Semiconductor Opto Division. It features a radial T-1 (3mm) package with a circular, domed lens. The component emits light at a peak wavelength of 565nm and a dominant wavelength of 569nm. Typical forward voltage is 1.9V at a test current of 2mA. It offers a viewing angle of 50 degrees and a brightness of 1.2mcd. The maximum height is 6.10mm. It is RoHS compliant and suitable for through-hole mounting.

LED Indication - Discrete Feature Summary

• Green diffused emission with standard configuration
• Radial T-1 through-hole package design
• Circular domed lens structure

LED Indication - Discrete Applications

• Panel status indicators
• Power supply visual feedback
• Equipment operational signaling

LED Indication - Discrete Procurement Notes

Verify the exact part number against official Vishay documentation to ensure compatibility with specific application requirements. Confirm that the radial T-1 package dimensions align with the target PCB layout. Check for any recent product change notices regarding material or manufacturing source updates. Ensure compliance with relevant environmental regulations such as RoHS standards for the intended market.

LED Indication - Discrete Selection Notes

Select this component when a green visual indicator is required in a through-hole assembly process. The T-1 form factor provides a compact footprint suitable for dense panel layouts. Consider the 50-degree viewing angle for visibility requirements. The 1.9V forward voltage drop should be accounted for in the driving circuit design to ensure proper current limiting and longevity of the LED element.

LED Indication - Discrete Part Context

This component belongs to the TLLG4400 series of discrete LEDs manufactured by Vishay Semiconductor Opto Division. The series focuses on general-purpose indication applications requiring reliable performance in standard through-hole configurations. The specific AS12 suffix denotes the green color variant within this family, characterized by its specific spectral output and packaging style.

LED Indication - Discrete Replacement Considerations

TLLG4400-AS12TR

LED Indication - Discrete FAQ

What is the peak wavelength of the TLHG4400-AS12?

The peak wavelength is 565nm.

Does the TLHG4400-AS12 have a diffused lens?

Yes, it features a diffused lens with a circular, domed shape.