OPB360L51

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Optical sensors are regularly used in various fields including robotics, home automation, manufacturing, and security systems. Photointerrupters are a specific type of optical sensor, most commonly used to detect the presence or passage of an object or material placed in a light-sensitive region. The OPB360L51 photointerrupter is an individual slot-type, transistor-output device that is particularly well-suited for these types of applications. This article will discuss the application field and working principle of the OPB360L51.

The OPB360L51 photointerrupter is mainly used for object or material detection in applications such as conveyor systems, paper or card feeders, level sensors, and other similar light-sensing detection systems. The device consists of a light-transmitter and light-receiver integrated within a single black plastic package. The slot within the package separates the two elements, ensuring that only light from the transmitter can pass through to the receiver. The device has a wide operating voltage range, making it suitable for various DC system voltages, and a low-profile (4.8 mm x 5.8 mm) design that allows for easy integration into tight spaces.

The basic working principle of the OPB360L51 is straightforward. When the APC (Ambient Photocoupler) is in the “on” state, light is able to pass from the transmitter through the slot to the receiver, activating the photointerrupter. When the APC is in the “off” state, the device is blocked from receiving light and the switch is closed. When an object or material passes through the slot, the device is activated and the switch opens, allowing electrical current to flow. This electrical flow is detected by the circuit board and the device sends a signal to the associated system, indicating a presence or absence.

The OPB360L51 offers several advantages over other photointerrupters. First, the device has a wide operating voltage range, making it suitable for use in a variety of applications. Additionally, it features a low power consumption and is designed to be reliable and robust. Its integrated slot design ensures that only light from the transmitter can reach the receiver, which reduces false signals and ensures optimal performance. Finally, the device has a small package size (4.8 mm x 5.8 mm) which makes it easy to integrate into tight spaces.

In conclusion, the OPB360L51 photointerrupter is a single slot-type transistor output device ideal for object or material detection applications such as conveyor systems, paper or card feeders, level sensors, and other similar light-sensitive detection systems. It has a wide operating voltage range, low power consumption, reliable performance, and a small package size. By understanding its application field and working principle, engineers can easily deploy this device to achieve optimal results in their projects.

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