OPB829BZ

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Optical sensors provide a way to measure the presence, absence or intensity of light over a wide range of applications. Photointerrupters, or optical switches, sense the presence or absence of an object by monitoring changes in the optical path between a light emitting diode and a light sensitive element. The OPB829BZ slot type photointerrupter features a high-speed, low-cost photointerrupter switch with transistor output, providing reliable and consistent response in high-density, high-speed circuits.

The OPB829BZ is a slot type photointerrupter designed for reliable operation with an operating distance of 1.5mm. This switch features a long life expectancy of more than 1 million operations and has a low power consumption of 0.4mW. It has a response time of up to 500 microseconds and a supply voltage of 3V to 5.5V.

The OPB829BZ is a versatile device that can be used in a range of applications. It is commonly used in automotive, industrial, robotics, and consumer electronics applications, where reliable switching and detection of objects is critical. Its small size, wide operating temperature range (-20C to 80C), and high durability make it suitable for integrations where space is a premium.

The design of the OPB829BZ employs a photodiode/reflector optical sensing system. This type of sensing system uses an infrared light emitting diode (LED) and a photodiode blocked by an opaque mask. The mask typically contains a transmissive window with a reflective surface on the opposite side. When an object passes through the optical path, the reflected light narrows and the photodiode responds.

The output of the OPB829BZ is a transistor output, meaning a signal is emitted when an object is detected. This signal is referred to as a Transistor Output Signal (TOS) and can be used with logic circuits to control devices or other external applications. The TOS is an open collector, so an external pull-up resistor must be used to operate the photointerrupter.

The OPB829BZ is a highly reliable device that offers a quick and easy way to detect objects and detect presence. As it is a transistor output device, it is ideal for high-density, high-speed circuits and offers a wide operating temperature range and long life-span. As it is a slot-type photointerrupter, it is suitable for use in applications where space is a premium, and its amplifier output makes it suitable for a wide range of applications where reliable and consistent response is required.

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