OPB971N51

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The OPB971N51 is an optical sensing device made by Optek Technology. It is a slot photointerrupter module that consists of an infrared LED, a phototransistor, and two cylindrical lenses. The OPB971N51 is a self-contained three terminal opto-isolated switch module which is used to detect the presence or absence of objects in a given area. This instrument is available in a TO46 package, and it operates over a wide temperature range and is perfect for applications in harsh environments. The OPB971N51 is an ideal solution for sensing in areas where space constraints may be a major concern.

The OPB971N51 is a slots-type photointerrupter that is designed for digital logic output with a single control terminal. It can be used in a wide variety of applications including motion detection, object detection, position sensing, and counter systems. The OPB971N51 features a slot-like opening that allows an object to pass between the LED and the phototransistor and interrupts the light, causing a high to low signal transition. As the object passes, the phototransistor changes its state from off to on. When the object passes out of the slot and the LED is no longer disrupted, the phototransistor returns to off.

This device has a typical output sink current of 20mA and is available in both through-hole and right angle versions. The OPB971N51 has an adjustable sensitivity range that can be adjusted to accommodate various distances between the LED and the phototransistor. It also has reverse breakdown protection to protect from voltage surges, and is immune to magnetic fields and noise. The device has a switching speed of up to 200kHz and low propagation delay, making it ideal for high speed applications.

In addition to the numerous applications that the OPB971N51 can be used for, it is one of the most reliable and durable photointerrupters available on the market. It has an excellent durability, with a wear-resistant black epoxy housing that is UL and CSA approved. The device is also compact and lightweight, which makes it ideal for use in a wide variety of applications, such as in robotic systems, fueling systems, machine control systems, and automotive electronics.

The OPB971N51 optical sensing device is a perfect solution for sensing in areas where space constraints may be a major concern, as well as in harsh environments. The device is small, lightweight, and highly reliable, and it is also highly durable. With its adjustable sensitivity range, high speed switching, and reverse breakdown protection, the OPB971N51 is sure to meet the needs of many applications.

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