OPB390P55Z

Optical Sensors are devices that measure and indicate the presence or absence of a light source. This includes items like photointerrupters, photoelectric sensors, and optical sensing strips. Photointerrupters are devices that detect interruptions in the light beam passing through them. They are commonly used to detect the rotational speed of an object rotating in front of them. Slot Type Photointerrupters use slots on the surface of the device to form a light barrier. They are most often used to sense objects that move at a specific speed through the slot. The accurately detect whether an object has been sensed or not through the change of the phototransistor\'s output. The OPB390P55Z photointerrupter is a Slot Type Transistor Output Photointerrupter, which responds to rotary speed as well as presence or absence of an object.

Application Field

The OPB390P55Z photointerrupter is widely used in applications where a fast response time and high switching capability are required. It is often used in automotive, robotics, textile and printing operations, as well as a wide range of industrial automation processes. It can be used as an effective sensor to detect objects or speeds in areas where a regular proximity sensor would not be effective. The OPB390P55Z is also used in measuring and counting applications where a slow or multiple moving objects have to be accurately measured.

Working Principle

The OPB390P55Z photointerrupter consists of a Pulse Signal Generator and a Phototransistor. The Pulse Signal Generator is a LED type light source which is placed in the middle of the slot. When an object passes through the slot, the Phototransistor becomes active. The signal generator then creates a high frequency pulse waveform that is relayed to the Phototransistor. When the object has passed, the waveform will stop or decrease in intensity, and the Phototransistor will stop conducting. This feature enables it to accurately and quickly detect objects.

The OPB390P55Z has a wide range of input and output combinations and can operate with different supply voltage range. It also features a high sensitivity and a high switching frequency up to 100 kHz. This product is also extremely reliable and has a wide operating temperature range from -30°C to +100°C (-22°F to +212°F).

The OPB390P55Z is a reliable and accurate sensor for detecting objects and rotary speed in a wide range of automatic and industrial processes. It can accurately and quickly detect objects and has the ability to operate over a wide range of supply voltage and temperature ranges.