WF5-40B410

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Optical Sensors utilize light that is reflected, transmitted or blocked to detect the presence of objects and analyze the characteristics of the objects, such as size, shape, and position. Photointerrupters are one type of optical sensors and are widely used in proximity detection. They are capable of detecting objects and distances over a wide range of conditions. Slot Type Photointerrupters have the advantage of detecting objects that pass through slotted openings, such as paper or roll labels. The WF5-40B410 is one type of Slot Type Photointerrupter with Transistor Output.

The WF5-40B410 features a compact 4-pin package with a flat sensing face. It has a maximum operating distance of 150mm and an emitter and receiver element side by side for non-contact detection, featuring micro-holes covered by a black plastic cover. The active area of the detector element is 1.5mm × 2.0mm, suitable for sensing small diameters. Besides the standard visible wavelength of 940nm, it is also possible to feature a High-Sensitivity Wavelength of 880nm, making it ideal for sensing near-infrared light.

The WF5-40B410 also has very fast response times, with a high speed switch of only 100 to 500 μs. Additionally, its wide operating voltage of 5.0 to 40.0 V DC makes it suitable for a number range of applications. With a long service life of 1 million operations or more, it is extremely reliable. Its transistor output type provides a reliable electrical connection for long distance communication.

The WF5-40B410 Slot Type Photointerrupter with Transistor Output are used in a variety of applications, ranging from positioning and measuring to security systems. It supports positioning and counting, through the detection of objects passing through the slotted openings. In security systems, it is used to detect objects entering and exiting a secured area. The WF5-40B410 can also be used in AGV and robotics for navigation and obstacle avoidance. Additionally, it is widely accepted for its high-speed, long-distance, and reliable detection functions.

The WF5-40B410 Slot Type Photointerrupter works on the principle of a photoelectric effect. When light is obstructed, the device registers the interruption and produces an electrical signal. The circuit consists of an infrared emitter LED and an NPN photo transistor, both facing each other in the same light path. When an object is placed in between the two elements, the light is interrupted and the transistor is turned off. Conversely, when the light path is clear, the transistor is turned on, producing an electrical signal.

WF5-40B410 Slot Type Photointerrupters with Transistor Output are suitable for many different applications. With its fast switching speed, long service life, reliable connection, and wide operating voltage, it has become one of the most popular optical sensors for detection and presence sensing.

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