WF120-95B410

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Optical Sensors are among the most popular and widely used technologies for a variety of modern-day digital applications. Photointerrupters are one type of optical sensor that is used in a range of applications. Recently, the release of the WF120-95B410 slot type photointerrupter with a transistor output marked an important milestone for the industry. This article outlines the application field and working principle of this type of photointerrupter.

Key Features of the WF120-95B410

The WF120-95B410 photointerrupter features an identical optical slot and a transistor output. This slot type photointerrupter offers a number of advantages over other similar photointerrupters on the market. It is incredibly small in size, measuring just 4.0mm x 4.0mm x 3.9mm, allowing it to be easily incorporated into compact designs. The WF120-95B410 is also designed to be a high-performance device with an incredibly fast response time of 1.0 ms, making it suitable for applications that require high speed switching. Along with its high accuracy performance, the WF120-95B410 is rated for operation in temperatures ranging from -40°C to 85°C, making it suitable for a wide variety of applications.

Typical Applications

Given its many advantages, the WF120-95B410 is well-suited for use in a variety of applications. These include safety systems, optical communication links, and automation systems. It is also commonly used as a component in consumer electronics such as audio systems, digital cameras, and projectors. In addition, the miniature size of the WF120-95B410 allows for use in compact circuitry such as flat panel monitors and LED backlighting.

Working Principle

The WF120-95B410 slot type photointerrupter utilizes a light source, a light detector, and an optical slot in order to detect the presence of an obstacle. The photointerrupter functions by sending a light beam through the optoelectronic slot, where the light beam is then interrupted by an object passing through the slot. When the light beam is blocked, a signal is sent to the photointerrupter, causing the transistor to switch states from high to low, or vice versa.

The integrated design of the WF120-95B410 allows for high levels of noise immunity. This is achieved through the use of a voltage comparator circuit that has been uniquely designed to compensate for high levels of external noise, making it suitable for use in environments with high electromagnetic interference.

Conclusion

The WF120-95B410 slot type photointerrupter is a powerful and reliable optoelectronic device. With its miniature size, fast response time, and wide operation temperature range, the WF120-95B410 is an ideal solution for a variety of applications, including safety systems, optical communication links, automation systems, and consumer electronics. Along with its high level of noise immunity, the WF120-95B410 is a reliable and cost effective option for any optoelectronic application.

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