QLA694B-2A

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The QLA694B-2A is a high efficiency, low current, wide operating temperature range Light Emitting Diode (LED) circuit board indicator that is used to provide visual and tactile indications of operation on complex electronic applications. This small circuit board indicator uses an array of high-intensity LEDs that are mounted on a color-coded PCB header. It is available in several different colors and brightness levels, allowing users to customize the lighting levels to their needs.

This LED circuit board indicator is ideal for applications in harsh environments such as aircrafts, submarines, and other vehicles. The wide operating temperature range has been optimized for low to medium visibility lighting levels, and it can also tolerate up to 65°C without any decrease in performance. The QLA694B-2A is highly reliable and long lasting, making it a great choice for use in aircrafts and other vehicles where continuous lighting is essential.

In addition to its use as a circuit board indicator, this LED can also be used in arrays, light bars, bar graphs, and other forms of visual indication. With its high efficiency and low current draw, this LED can be used for various lighting applications without an excessive amount of power. Its low current draw also allows it to operate at extremely low temperatures. This low current draw also allows the LED to dim to a very low light level while still providing a reliable visual indication.

The QLA694B-2A LED circuit board indicator is powered by a 12 – 14 volt DC power supply, which is capable of supplying up to 10A of current. This amount of current is more than sufficient for most lighting applications, from the low level lighting required for aircrafts and submarines, to the bright light levels needed for indoor applications. The QLA694B-2A uses a standard two pin male connector to connect to the power supply, and the power output can be set by adjusting the voltage.

The working principle of the QLA694B-2A circuit board indicator is relatively simple. The circuit is generally divided into two parts: the power supply section and the LED array. The power supply teams up with a resistive load to provide the required voltage and current needed by the LED array. The resulting current is then sent through the LEDs, which then produces light. Since the current is adjustable, the light can be dimmed or brightened accordingly.

The QLA694B-2A LED circuit board indicator is an excellent choice for organizations that require lighting for various applications in harsh environment. It is highly reliable, long lasting, and has a wide operating temperature range, making it a great option for aircrafts, submarines and other types of vehicles. The LEDs in this LED array have a high efficiency and low current draw, making it a practical choice for the various lighting needs of various applications.

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