OPB370P51

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Part Status:	Obsolete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:	Chassis Mount
Package / Case:	Module, Pre-Wired
Type:	Unamplified

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OPB370P51 Application Field and Working Principle

Optical sensors are utilized in many different industries for a variety of tasks. The OPB370P51 is an example of one type of photointerrupter slot type transistor output that is often used in applications including:

• Timing mechanisms
• Sensor circuitry
• Counters
• Relay control
• Logic operations
• Data entry systems

The operation of the OPB370P51 is based on the principle of using light to trigger an action. A light emitter and light detector are placed either side of a slot, and when the light is blocked, the signal from the detector is interrupted, triggering a response. This can be used to control a current or a signal, or set off a light or sound depending on the application.The housing of the OPB370P51 has two main parts, the light emitting element and the integrated circuit. The light emitting element is composed of a gallium arsenide (GaAs) diode and an infrared (IR) LED, which emits an infrared light signal when it receives a current from the IC. The IC contains two transistors, which allow a loop current to control the amount of light being emitted.When the object passes through the slot and interrupts the light, a voltage is developed across the opposing pins. This voltage is then detected by the receiver pin and the signal is relayed back to the IC. The IC in turn pushes a voltage through the loop, thus allowing the loop current to decrease. As a result, the amount of light being emitted is also decreased, resulting in a decrease in the output voltage of the device.The OPB370P51 utilizes the principle of an optical encoder to easily detect the position of moving objects. It is very simple to use and is ideal for applications where precision is required. It is also extensively used in consumer electronics as the internal parts of such devices require low profile components that are easy to integrate. By using this type of device, the accuracy and speed of sensing moving objects can be improved, while maintaining a low cost and low profile size. The OPB370P51 is also suitable for applications requiring high reliability, high photon sensitivity, low current operation and low susceptibility to ambient light. It also offers additional features, such as current switching and photocoupler functions. Additionally, the OPB370P51 has CE marking and is RoHS compliant and comes with a three-year warranty.Overall, the OPB370P51 is a highly reliable and efficient photointerruptor slot type transistor output that is ideal for numerous applications. Its robust design makes it a great choice for all kinds of applications, and its high degree of sensitivity makes it ideal for precision sensing. The OPB370P51 provides an efficient solution for applications where accuracy and speed are key, such as timing mechanisms, sensors circuitry and data entry systems.

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