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Product Description

Reed switch is an abbreviation for dry reed, which is a passive electronic switch component with the advantages of simple structure, small size, and easy control. Its housing is a sealed glass tube, with two iron elastic reeds installed on the tube, but also filled with an inert gas called rhodium metal. In normal times, the glass tubes in the two reeds are made of special materials separately. When a magnetic substance approaches the glass tube, under the action of magnetic field lines, the pipes inside the two springs are magnetized to attract each other to contact, and the springs will be attracted together, allowing the connection points of the circuit to communicate. After the outer magnetic spring disappears due to its flexibility and separation, the circuit is disconnected. Therefore, as a device that uses magnetic field signals to control circuit switches, reed tubes can be used as sensors for counting quantity, spacing, etc. (mainly used in the production of door magnets and magnetic windows in safety systems), and are also widely used in various communication devices. In practical use, permanent magnets are usually used to control whether two metal plates rotate or not.

Product parameters

1. The comparator output has a clean signal, waveform, and driving capability exceeding 15mA.

2. Operating voltage: 3.3V-5V

3. Output format: Digital switch output (0 and 1)

4. Fixed bolt holes for easy installation

5. Small PCB size: 3.2cm x 1.4cm

6. Wide voltage LM33 comparator

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