OPB963L51

Series:	Photologic®
Part Status:	Obsolete
Sensing Distance:	0.125" (3.18mm)
Sensing Method:	Transmissive
Output Configuration:	NPN - Open Collector, Inverted
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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The OPB963L51 is an optically-coupled logic device from the OPTEK Technology family of Photointerrupters in Slot Type with a Logic Output. This particular device is a bidirectional, digital transmissive device, which features a compact design with fast response time of only 1.5 µs. This device is encapsulated in a standard 8-pin dual in-line package (DIP) and can be used in a wide range of applications.

The OPB963L51 consists of two separate parts. The first is an infrared emitting diode (IRED) and the second is an NPN silicon phototransistor. These two elements are optically coupled to form a stable switching element. The IRED emits an infrared light which is then detected by the phototransistor. The phototransistor produces an output when the emitted light is interrupted by a slotted object.

The OPB963L51 is a highly versatile part which is suitable for a variety of applications. Due to its compact size, fast response time and logic output, the device can be used for detecting in narrow slots, mice motion control, limits of motion control, pulse generation, motor control, and door open/close detection. Furthermore, due to its NPN output, the device can be used for light beam interruption detection and high speed scanning.

The OPB963L51 also features a logic output which enables it to be used in variety of applications. When the light emitted by the IRED is interrupted, the logic output will produce a low level logic output. This output can then be used to activate a circuit or drive a transistor switch. In addition to this, the device also features an on-board photo-adjustable circuit which enables it to operate optimally in a wide range of ambient light conditions.

The device also features an internal Capacitor Discharge (CD) circuit. This circuit is designed to ensure a fast response time of just 1.5 µs. As well as this, the device also features an over temperature protective circuit which protects the device from damage. Furthermore, the device also has a high integrity, logic output and is able to detect objects from a wide range of distances.

To summarise, the OPB963L51 is a highly versatile optically-coupled logic device from the OPTEK Technology family of Photointerrupters in Slot Type with a Logic Output. This device features a compact design with a fast response time of 1.5 µs and a logic output, which can be used for a variety of applications. Its onboard photo-adjustable circuit also allows it to be used in a range of ambient light conditions. Due to its versatility, the OPB963L51 is one of the most popular devices used in the Photointerrupters market.

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