OPB960L51

Series:	Photologic®
Part Status:	Active
Sensing Distance:	0.125" (3.18mm)
Sensing Method:	Transmissive
Output Configuration:	Totem Pole, Buffer
Mounting Type:	Through Hole
Current - Supply:	15mA
Voltage - Supply:	4.75 V ~ 5.25 V
Response Time:	70ns
Operating Temperature:	-40°C ~ 70°C (TA)
Package / Case:	PCB Mount

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Optical Sensors - Photointerrupters - Slot Type - Logic Output

The OPB960L51 optical slot type photointerrupter is based on the principle of optoelectronics and converts light signals into electrical signals. It is mainly used in the fields of industrial production, testing and monitoring instruments, and various types of automation. It is suitable for detection and control in fixed positions and transmission speed or travel direction.The OPB960L51 is an optical slot type photointerrupter composed of a Gallium Arsenide infrared emitting diode and a NPN phototransistor with optical coupling characteristics. It incorporates a reflective optical slot detection scheme which consists of an infrared emitting diode (IRD) and an NPN phototransistor optically coupled in an SO-6 package. The OPB960L51 has a maximum current transfer ratio of 600 and an operating temperature range of -55 to +100°C. It operates over a wide voltage range of 3Vdc to 32Vdc. The emitted signal is an open collector NPN phototransistor. Its maximum system power dissipation is 600mW. The response time of the OPB960L51 is 130ns and the propagation delay is 110ns.The OPB960L51 is a detector type slot type photointerrupter, suitable for use in the detection and control of fixed positions or transmission speed or direction. Its operating mode is based on a reflective optical science, which comprises of an infrared diode (IRD) and a NPN phototransistor optically coupled in an SO-6 package. The infrared LED inside the package emits a beam of light, which will be blocked when an object is positioned in the slot and the phototransistor is set to OFF state. If the object is removed from the slot, the reflectivity of the slot is more than sufficient to turn the phototransistor back to ON state, thus producing the desired input signal. The OPB960L51 works on a Logic-type output, which means that the output signal is either high, representing a logic 1, or low, representing a logic 0. This can be used in various applications, like the detection of rotational speed, door cutouts, or as a electronic switch.Since the OPB960L51 is an optical slot type photointerrupter, it has several advantages over mechanical sensors. For instance, the issues of wear, fatigue, contaminants, and contact bounce are eliminated. Additionally, it’s relatively easy to maintain since the illuminated LED sensitively detects objects passing through the slot. The OPB960L51 is an effective and reliable detection device backed by a significant resistance to dust and moisture. It also features a high switching speed and improved blind spot management, allowing it to detect objects at a greater range and detect them more precisely. It’s simple to install and is relatively maintenance-free, making it an ideal solution for a variety of industrial and consumer applications. The device’s compact footprint, wide voltage range, and low power consumption provide enhanced versatility and improved cost-efficiency. The OPB960L51 is an ideal choice for applications where a precision detection device is required. It is particularly suitable for the detection and control of fixed positions, transmission speed or direction. Its accurate operation and ease of installation make it a popular sensor for many applications.

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