HOA6990-L55

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The HOA6990-L55 is a type of Logic Output Slot Type Photointerrupter manufactured by Sharp. Photointerrupters are optical sensors that use light to detect the presence and absence of objects. They consist of a light-emitting element and light-detecting element, which are encased in a plastic package. The HOA6990-L55 is designed to be used for a wide range of applications including but not limited to sensing the presence or absence of objects in industrial, automotive, medical, and consumer markets.

The light source in the HOA6990-L55 is an Infrared (IR) LED, which is optically coupled to a photodetector, which consists of a phototransistor. The LED and photo-transistor are enclosed in a transparent plastic package and connect to the housing via a six-pin terminal, which is then connected to the external circuitry. The photodetector works as a switch, when the slot of the device is covered by something the light beam is completely interrupted and the output turns off.

The HOA6990-L55 is well suited for detection of clear objects such as pieces of paper and cardboard. Its working distance can be easily adjusted by altering the position of the slot type photo-interrupter over the target object. The working distance can reach up to 5mm and its operating temperature ranges from -25°C to +85°C.

The output of the HOA6990-L55 is a logic signal which is compatible with MOS logic level; this makes it easy to integrate with modern electronic devices. Additionally, the output of the device provides a hysteresis response and temperature compensation which optimizes the signal switching behavior over varying temperature ranges. The output is also equipped with over-voltage and ESD protections, making the device well-suited for use in industrial and automotive settings.

In terms of size, the HOA6990-L55 is quite small and can be used in compact systems. Its housing is made of a UV- and water-resistant plastic and it meets the requirements of the EN 60335/IEC335 standard for the UL recognized component mark, making it suitable for consumer applications.

The HOA6990-L55 is a reliable and cost-effective optical sensing solution which can be employed in a variety of applications. It offers a compact size, wide operating temperature range, hysteresis response, adjustable working distance, logic level output, and over-voltage and ESD protection. This makes it a great choice for industrial, automotive, medical, and consumer applications.

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