QSE243

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Optical Sensors - Phototransistors involve the modulation of a current or voltage depending on the amount of light found at the sensing surface. The QSE243 Phototransistor is an example of this type of component. It includes a gallium arsenide infrared LED with a base-collector breakdown voltage of 80V as well as a high reliability phototransistor. It has a very reliable response and is often used in applications such as rangefinding, detecting objects, storage shelf status, paper presence checking, and many other industrial applications.

The QSE243 Phototransistor works based on the optical filter effect. Its gallium arsenide infrared LED detects infrared radiation from certain objects. The output of the phototransistor is a voltage or current, which is proportional to the light intensity. This phenomenon facilitates the detection of objects, such as paper, card, paperboard, and other materials that have different optical properties. When the light detecting surface of the phototransistor is exposed to a material that absorbs infrared radiation, then the output of the phototransistor will decrease accordingly.

The QSE243 Phototransistor is perfect for a wide range of applications, including car parking automatic recognition, automatic door control, sensor switching, security systems, automatic sorting, object recognition, paper presence detection, and material identification. Additionally, the QSE243 is capable of providing extremely reliable operation over a wide range of environmental conditions. This, coupled with its low power consumption and robust design, makes it an ideal choice for any application.

The QSE243 Phototransistor includes an infrared LED, which is connected to a terminal base with a resistor, and a phototransistor, which is coupled to the collector terminal. The LED produces a radiated wavelength of approximately 850nm, in order to detect objects that have an absorbance at this wavelength. This light is sensed by the phototransistor upon exposure, and is converted into a voltage or current signal. Depending on the amount of light detected, the voltage or current signal will vary accordingly.

The phototransistor of the QSE243 is extremely reliable. Its long lasting nature means that it can provide consistent output signals for many years, thus making it a perfect choice for many industrial applications. Additionally, the QSE243 features high sensitivity and low current consumption, making it extremely resourceful in terms of power management. With its combination of high reliability, low power consumption, and high sensitivity, it is an ideal choice for a variety of industrial applications, such as rangefinding, detecting objects, storage shelf status, paper presence checking, and many others.

The QSE243 Phototransistor provides a reliable solution for applications requiring the detection of elements, such as paper, card, paperboard, and other materials with different optical properties. Its combination of features - such as its infrared LED, phototransistor, low power consumption, high sensitivity, and robust design - makes it an ideal choice for many industrial applications. The QSE243 Phototransistor is an extremely reliable component that can provide precise and reliable output signals over a wide range of environmental conditions, making it a great choice for any application.

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