QLA694B-2I

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LEDs or Light Emitting Diodes are a type of semiconductor device which use electrical energy to produce light. While they are primarily used for display purposes, LEDs can also be used in various other applications, including Circuit Board Indicators, Arrays, Light Bars, Bar Graphs. The QLA694B-2I is a LED product which falls under the category of Circuit Board Indicators.

The QLA694B-2I LED is a surface mount device in a PLCC-4 (plastic leaded chip carrier) package. The device is composed of a yellow LED optically coupled integrator which provides a visible red output when activated. The QLA694B-2I LED has an output power of 200mW, a forward voltage of 3V, a reverse voltage of 5V, a forward current of 20mA, and a reverse current of 10uA.

The working principle of the QLA694B-2I is simple. When electrical current passes through the LED, the yellow light is emitted by the device and is then caught by the photodiode, which creates the red light that is then visible. The QLA694B-2I is typically installed on a printed circuit board, where current is supplied in order to turn it on or off, depending on the desired effect. The device can also be dimmed by adjusting the current supplied and thus the amount of light emitted.

The QLA694B-2I can be used for a variety of applications, such as providing indicator lights for circuit board signals, as well as for illuminating alarms, machines and other objects. It is also used in automotive lighting systems, such as the headlights of some cars. The LEDs can also be used to create a variety of visual effects, such as blinking, fading and color blending.

The QLA694B-2I is a highly efficient and versatile LED, designed to meet the needs of a variety of applications. The device is extremely durable and provides excellent light output with low power consumption, making it a great choice for any Circuit Board Indicator, Array, Light Bar, or Bar Graph project.

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