OED-ST-23G

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Optical Sensors - Phototransistors

The OED-ST-23G is a type of optical sensor that utilizes a phototransistor to detect and capture momentary light changes. This type of sensor is featured in a wide range of applications, including security, lighting, and product identification systems. In this article, we will discuss the application field, working principle, and reliability of OED-ST-23G.

Application Field

The OED-ST-23G is suitable for use in presence-detection or object-detection applications. Such applications include, but are not limited to, automatic light switches, lighting control systems, product identification systems, security systems, industrial machine control systems, and robotics. The OED-ST-23G is especially useful in applications where momentary light changes need to be detected accurately in order, for example, to switch a light on or off or detect the presence of a specific object.

Working Principle

The OED-ST-23G utilizes a phototransistor, which is a type of transistor that relies on the illumination of a light source to create electrical signals. When light is shone onto the surface of the OED-ST-23G, the light photons excite the electrons in the phototransistor, creating an electrical current. This current can then be used to trigger a detection circuit and provide an appropriate output.

Reliability

The OED-ST-23G is a reliable optical sensor with a wide range of applications. For instance, the OED-ST-23G is designed with noise immunity circuitry which helps it to accurately detect light changes, even when its application environment is noisy or crowded. Additionally, the OED-ST-23G includes reverse polarity protection circuitry, which allows it to work even when an incorrect voltage is supplied. Finally, the OED-ST-23G is a highly reliable optical sensor, with a MTTF of 33 years at an ambient temperature of 25 degrees Celsius. This ensures that the OED-ST-23G will be able to perform its detection duties reliably for a long period of time.

Conclusion

The OED-ST-23G is a reliable and effective optical sensor for detecting momentary light changes. Its wide range of applications include presence, object, and lighting control systems. By utilizing a phototransistor, the OED-ST-23G is capable of providing a highly reliable output signal, even in noisy and congested environments. The OED-ST-23G is also designed with reverse polarity protection circuitry to ensure it can operate even when an incorrect voltage is supplied, and has a MTTF of 33 years, making it a reliable choice for many different applications.

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