OPB847L55

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Optical Sensors - Photointerrupters - Slot Type - Transistor Output

The OPB847L55 is a type of optical sensors – photointerrupters – slot type – transistor output. It is an optical sensor with four pins (collector, emitter, and two outputs) that has a light sensitive element with a transistor output.

The OPB847L55 has a wide variety of applications which include sensing presence, distances, and line configurations. It is used to detect changes in the light levels, or in the form of a switching element for measuring the position of an object such as an arm. It also has uses in the automotive, IT, and medical industries.

The working principle of the OPB847L55 is based on the use of the light sensitive element, a Photo Interrupter. This element consists of an LED (Light Emitting Diode) and a photo-sensitive transistor circuit. The LED emits light through a gap or slot has an emitter. The photo-sensitive transistor circuit has the collector and emitter pins and is used to detect the amount of light that is blocked when something passes through the slot. When the light passes through the slot and reaches the transistor circuit, it causes a current to flow in the circuit. This current is then translated into an electrical signal which is then sensed and understood by a circuit. This is then used to trigger and control any operations based on the predetermined criteria.

The OPB847L55 has several advantages over other types of sensors. It has a high resolution sensitivity – up to 4 photosensitive elements per mm gap– and a wide range of operating speeds. It also has a wide operating temperature range between -25 and +125°C. It is also capable of working in humid and dusty environments. Additionally, it requires very low power consumption and has a long service life.

In conclusion, the OPB847L55 is an optical sensor that has a variety of applications and is used as a switching element for measuring the position of an object. This type of sensor has a high resolution sensitivity, wide range of operating speeds, wide operating temperature range, low power consumption, and a long service life. Its working principle is based on the use of a light sensitive element, a Photo Interrupter, and the receipt of light that passes through the gap or slot and is translated into an electrical signal which is then sensed and understood by a circuit.

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