Open/close applications covered by magnetic switch sensors

12th September 2014
Posted By : Mick Elliott
Open/close applications covered by magnetic switch sensors

Murata’s AMR (Anisotropic Magneto Resistance) Magnetic Switch Sensors contain no mechanical components, and have higher detection sensitivity and a wider detection area than their competitive counterparts. Available from Mouser Electronics in both high and low sensitivities, the sensors can be used in a wide variety of applications by offering designers the flexibility and advantage of horizontal magnetic field sensing.

The sensors integrate four AMR elements and a CMOS IC circuit. Offering high sensitivity, a narrow sensitivity spec range for more accurate sensing, and reliable performance in different operating conditions, these sensors provide Omni polar operation, low power consumption (1.6μA/1.8V) and operate at a maximum temperature of up to 105°C.

They are ideal for open/close applications such as mobile phones and notebook PCs, and are also well-suited for consumer white goods, industrial and security equipment. The sensors offer a wide range of sensitivities, including standard (1.5mT), high (0.5mT) and low (3.0mT), and are designed with a bipolar detection type (N-pole or S-pole).

They are available in a variety of package options, including SOT23 and SON4. To adapt to the demands for thinner, high technology devices and applications, there is also ultra-small (1.0 mm x 0.9 mm x 0.5 mm) and ultra-low height (1.00 mm x 1.60 mm x 0.37 mm) package options.

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