E4TT-MM4A-CS3M020

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Optical sensors are devices capable of detecting and responding to light. Photointerrupters are a subset of these, providing more specific sensing capabilities. The E4TT-MM4A-CS3M020 photointerrupter is a type of optical slot sensor and is specifically designed as a single-channel transistor output module. This device works by detecting successful or interrupted transmission of light between the emitter and receiver, allowing for the detection of objects (or people) in their vicinity.

The emitter of the E4TT-MM4A-CS3M020 is a Light-Emitting Diode (LED) capable of emitting an infrared light beam. This infrared light beam passes through a plastic slit. On the other side of the slit is a photo transistor. The slot between the emitter and receiver is specifically designed to be small enough to allow light to pass through with little reflection. When something passes through the slot, the infrared light reflecting off of that object is detected by the receiver transistor.

The E4TT-MM4A-CS3M020 is highly accurate and precise in detecting reflected infrared light and can be used in a wide range of applications, such as object detection and people counting. It is also an excellent choice for installations where size and precision are of the utmost importance, such as in robotics and automated manufacturing.

The E4TT-MM4A-CS3M020 features high speed infrared light detection, with a response time of less than a millisecond. The device is powered by a 3.3V supply voltage and provides an output voltage of 2.4V, with a low saturation voltage of 1.9V. Its operating temperature ranges from -20°C to +80°C.

When the system is in use, the emitter sends a continuous beam of infrared light toward the receiver. If there is nothing occupying the space between the emitter and receiver, then the transmitter will continuously detect the light reflected back and provide a high output voltage. However, if the space is obstructed by an object, the transmitter will detect the lack of returned light and produce a low output voltage.

The E4TT-MM4A-CS3M020 also includes an external bonding resistor, which is used to adjust the gain of the device. By changing the value of this resistor, the response time of the device can be fine-tuned. This allows the device to be adapted for greater precision and accuracy in a wide range of applications.

In addition to its small size and accuracy, the E4TT-MM4A-CS3M020 also provides a long service life and excellent reliability. It has an operational life span of over one million cycles, making it ideal for applications requiring reliable and consistent sensing capabilities. The device is also built with a high level of protection against damage from dust, dirt, and splashing water, making it suitable for outdoor use.

The E4TT-MM4A-CS3M020 photointerrupter is an excellent choice for applications that require accurate, precise, and fast detection of objects. With its small size, high accuracy, and long service life, it\'s an ideal choice for robotics and automated manufacturing.

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