OPB877N51

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The OPB877N51 is an optical sensor in the slot type range with a transistor output, which gives it a wide range of applications. It is primarily used as a safety device in industrial settings such as conveyer belts, barrier gates, and robot arms. The OPB877N51 can also be used in home automation systems, lighting management, automotive applications, and security systems.

The working principle of the OPB877N51 lies in its optical sensing technology. It is designed with an infrared transmitting diode (TDI) and a silicon phototransistor (PT) in a single package. The TDI consists of an infrared LED coupled to a phototransistor, whilst the PT is made up of a photodiode and a transistor. When the TDI LED and PT are both open, the transistor is in the off state, as the TDI LED does not sense any current. When the TDI LED and PT are closed, the transistor will switch to the on state and a current will be sensed.

To detect what passes through the slot of the OPB877N51, the LED emits a beam of infrared light which is invisible to the human eye. The light is then broken up into two signals when passing through the slot and each signal is received by the phototransistor in the receiver section. When the signals from the LED and the PT overlap, the current sensed by the transistor is amplified and a certain voltage is generated depending on how the signals interact. This then determines the state of the circuit and indicates whether a detectable object has been identified.

The operational wavelength of the OPB877N51 lies in the range of 825-875 nm, while its detection distance can go up to 5 mm. It has a response time of 7 ms and offers a good contrast sensitivity. Other features include an all-plastic construction with no metal components, a wide operating temperature range of -40 to +85°C., and an IP rating of IP64. It is also compatible with standard pick & place equipment.

The OPB877N51 can be used for a variety of applications other than safety systems. It can be used in counterfeit detection, document and ID authentication, level detection, robotic material handling systems, vending machines, and medical patient monitoring systems. It can also be used as an indicator light for temperature and speed controllers or combined with a timer in a network of sensors connected to a computer.

The OPB877N51 is an easy to use optical sensor with a wide range of applications. Its simple design and reliable performance make it suitable for a variety of environments and applications. With its wide range of capabilities, it is a great choice for industrial, security, home automation, and medical applications.

The specific data is subject to PDF, and the above content is for reference