OPB882N51

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Sensing Distance:	0.125" (3.18mm)
Sensing Method:	Transmissive
Output Configuration:	Phototransistor
Current - DC Forward (If) (Max):	50mA
Current - Collector (Ic) (Max):	30mA
Voltage - Collector Emitter Breakdown (Max):	30V
Response Time:	--
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Free Hanging
Package / Case:	Module, Pre-Wired
Type:	Unamplified

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Optical Sensors - Photointerrupters - Slot Type - Transistor Output

The OPB882N51 is a slot type photodiode photointerrupter, featuring a transistor output for detection of a modulated infrared light source. This device is low cost and ideal for use in many applications requiring an optically isolated digital input.

Application Field

The OPB882N51 is suitable for applications where an infrared light source is required, such as in controlling motors, as well as for the detection of moving objects, such as paper or card stock. The device is also suitable for use as part of a home automation system, as it provides an optically isolated digital input that can be used to remotely control various home devices.

Working Principle

The OPB882N51 contains two silicon photodiodes constructed in a slot type structure. One photodiode is used for light reception, while the other is used for light transmission. A modulated infrared light source is used to transmit a signal from the transmitter diode, which is detected by the receiver diode. Upon detection, a signal is output from the receiver diode, which is detected by a transistor output. The transistor output can be connected to any digital input circuit, such as a logic input, for remote control purposes.The OPB882N51 also contains a built-in LED indicator to provide visual feedback during light emission and reception. The device offers high speed response time and provides up to 6mm of light emission and reception. It is designed to operate in extreme environmental conditions and has a wide operating temperature range of -40°C to +85°C.

Applications

The OPB882N51 is suitable for a wide range of applications, including motor and home automation control systems, as well as robotic remote control systems. It also finds applications in security systems and door control systems. Other applications include vending machine control and paper feed control systems.

Conclusion

The OPB882N51 is a slot type photodiode photointerrupter, featuring a transistor output for detection of a modulated infrared light source. The device is low cost and suitable for use in many applications, including motor and home automation control systems, as well as robotic remote control systems. The OPB882N51 offers a high speed response time and a wide operating temperature range of -40°C to +85°C and is designed to operate in extreme environmental conditions.

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