US5881ESE-AAA-000-RE Sensors, Transducers

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US5881ESE-AAA-000-RE application field and working principle

Magnetically-operated solid-state switches, also known as reed switches, are solid-state devices used in a variety of applications. They contain a hermetically sealed reed contact that is located inside a permanent magnet, or an externally applied magnet. When the external magnetic field is greater than a predetermined strength, the reed contact is actuated and a signal is generated. When the external magnetic field diminishes below a predetermined level, the device is deactuated and the signal is dropped.

These switches have a wide range of applications and can be found in safety systems, intrusion detectors, automatic doors, keyless entry systems, remote control toys, medical devices and other areas. Since mechanical reed switches need an external magnet for their operation, they can be used as safety elements where failures due to wear and tear are not expected. With their excellent contacts and reliable operation, these devices are ideal in applications where reliability and low cost are major considerations.

The US5881ESE-AAA-000-RE is a linear output magnetic switch designed to operate in low-level sensing applications. It comes with a 3-pin SIP package that is suited for use in security and access control systems. It has a normally open (NO) contact configuration, which means that it is normally in the open position and closes only when a specific external magnetic field is applied. The device has a rated operating voltage of 0.08 volts and a maximum operating current of 30 milliamps. It is rated to withstand up to 20 kilovolts of electrical shock, and operates over an ambient temperature range from -40°C to 100°C. The device is also UL, CUL, and TUV approved.

The operating principle of the US5881ESE-AAA-000-RE is based on the use of a hermetically sealed reed contact in combination with a permanent magnet, or an externally applied magnet. When the external magnetic field exceeds a predetermined level, the reed contact is actuated and a signal is generated. This signal can then be used to control a circuit or activate an alarm. When the external magnetic field falls below a predetermined level, the device will deactuate and the signal will be dropped.

The US5881ESE-AAA-000-RE is an ideal device for a wide range of applications such as access control systems, security systems, remote control toys, medical devices and more. Its robust design makes it reliable in its operation and its UL/CUL/TUV approval ensures its quality and safety of use. For all its features, it is relatively cheap compared to other magnetic switches.

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