QLA764B-3H

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Light emitting diodes (LEDs) are becoming increasingly used in a variety of applications, including Circuit Board Indicators, Arrays, Light Bars, and Bar Graphs. QLA764B-3H is a type of LED that is particularly applicable for Circuit Board Indicators and Bar Graphs.

The QLA764B-3H is a red colored, 0.125" push-in LED indicator, with an operating voltage range of 5~18V DC. This LED is designed for PCB/Panel Mount application and is also PC board compatible. It also has a welded-on wire lead option. In addition to its high visibility, the QLA764B-3H also comes with a lens which improves its visualization in daylight.

In terms of its dimensions, the QLA764B-3H features a lens height of 1.05" and a body length of 0.35". This makes is suitable for narrow and tight spaces, making it an ideal application for PCBs, displays and panels. This LED also features a lifespan of 30,000 hours and a luminous intensity of up to 30mcd.

The working principle of the QLA764B-3H is relatively straightforward. When the power supply is connected and the LED turns on, the electrons flow from the negative terminal to the plate electrodes within the LED by the increased potential from the power supply. As a result, the LED starts to produce light thanks to its semiconductor diode structure.

In terms of its usage, the QLA764B-3H LED is an ideal choice for Circuit Board Indicators. These are typically used in automotive, communication and consumer applications to provide a basic indication that the device is either on or off, or in the case of bar graphs, can show a range of values. It can be used for various types of circuit boards, including audio power amplifiers. else it can also be used in bar graphs. The LED’s high visibility and the lens which improves its visibility in daylight give it an advantage over other LEDs in terms of its usage in these applications.

In conclusion, the QLA764B-3H is a red colored, 0.125" push-in LED indicator, with an operating voltage range of 5~18V DC, a lens height of 1.05" and body length of 0.35". This LED is designed for PCB/Panel Mount application and features a welded-on wire lead option. Its lifespan is up to 30,000 hours, and luminous intensity is up to 30mcd. The QLA764B-3H is an ideal choice for Circuit Board Indicators and Bar Graphs, due to its high visibility with the additional lens, convenient dimensions, and its usage in various applications.

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