AH373-PL-B

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Magnetic sensors, or switches, are electrical components that detect the presence of a magnetic field and, in some cases, its strength. One type of magnetic sensor is the AH373-PL-B, a solid state (electronic) switch including an integrated magnetically operated actuator and a paired magnetically operated switch. This device is used for integrating monitoring and control functions into a range of industrial, automotive, and consumer electronic applications.

Magnetic fields produce electromagnetic force that interact with other magnetically sensitive material like a magnetically charged switch. The AH373-PL-B is a small, inexpensive, and long-lasting solid state switch designed for applications that are in close proximity to a magnetic field. It is designed to operate in both the horizontal and vertical directions and is highly sensitive to magnets.

The AH373-PL-B consists of a thermo-mechanical actuator, two magnetically actuated switches and two independent micro-loop induction coils. The coil is wound on an annular, open frame core that is enclosed in a molded plastic housing. The housing contains the integrated circuitry needed to monitor the magnetic field for sensing and control inputs, as well as to power the switch.

The two magnetically actuated switches in the AH373-PL-B are positioned in relation to one another, and use two different magnet polarities to control the switch. When exposed to a magnetic field of the same polarity as the coil, the switch will be in a closed position. When exposed to a different polarity magnetic field, the switch will be open.

When using the AH373-PL-B, the magnetic field strength required to activate the switch is adjustable. This allows for the optimal response when used in a wide range of applications, such as automotive, industrial control systems, and even consumer electronics. The wide dynamic range of the actuation point means the switch can be used in both low-level and high-level switching applications.

The AH373-PL-B is also used in applications that require a ‘latching’ feature. A latching feature allows for a switch to be programmed to stay closed, or stay open, even when the magnetic field is no longer present. This feature is used in applications such as motion sensors and door open/close systems, where it is important to maintain a status until it is reset.

The AH373-PL-B can operate in both continuous and intermittent mode. When in continuous mode, the switch will return to the inactive position when the magnetic field is removed. When in intermittent mode, the switch will remain in an active position until it is manually reset. This is useful for applications like security systems, where it is important to maintain a set position even after the magnetic field is removed.

The AH373-PL-B is a reliable and versatile solid state switch, whose ability to operate in a range of applications makes it an ideal solution for many industrial, automotive, and consumer applications. Its integrated magnetically operated switches, adjustable response settings, and latching feature make it perfect for applications requiring reliable switch performance over a wide range of conditions.

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