A1205EUA-T

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A 1205 EUA-T magnetic sensors are part of a wide range of magnetic sensor family products offered by Honeywell. These sensors are ideal for sensing the presence or absence of a magnetic field and are used in a variety of applications, including automotive failure detection, security systems, and ultrasound imaging.

The A1205EUA-T magnetic sensor is a solid state switch, and contains two separate integrated circuits and a Hall effect element to detect the presence or absence of a magnetic field. The Hall effect element detects the magnitude of the magnetic field in the sensor’s sensing zone. If the magnitude of the detected magnetic field exceeds the threshold value, the switch changes state, and the integrated circuits drive the output signal.

The A1205EUA-T has a wide range of application fields. It is used for security systems, where an increase in the nearby magnetic field actuates the switch in order to detect an approaching intruder. Additionally, the sensor is used in industrial automation, for controlling the state of machines when a certain magnetic field is detected. Furthermore, it is used in the auto industry, where it can detect a failure in the engine or brakes.

The A1205EUA-T is composed of two semiconductor chips. The first one contains the Hall effect element, which is sensitive to the presence or absence of magnetic field. The second chip contains the integrated circuit that controls the large output current. An input supply voltage of 3.3 V operates the A1205EUA-T.

The operating current of the Hall effect element is dependent on the magnitude of the magnetic field strength applied to the device. When the magnetic field strength reaches a certain threshold value, the output voltage changes, and the IC drives its output.

The output from the A1205EUA-T can be configured to be either a single pole-double throw (SPDT) or double pole-double throw (DPDT) switch, depending on the application. The output can be latched, so that even in the case of a power loss the switch remains active until manually reset.The devices can also be configured to operate in latching or momentary modes.

The A1205EUA-T switch can be used in applications that require a robust magnetic sensing switch, such as automotive, medical, industrial, and security systems. The devices provide a low voltage switching solution, with low power consumption and superior ESD protection. The range of applications for which these switches can be used is further extended by the fact that the switch can be configured for a wide variety of output configurations.

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