Coto Technology has announced the availability of its RedRock RS1-A-2515 Micro-electromechanical systems (MEMS)-based magnetic reed switch. The switch provides all of the advantages of conventional magnetic reed switch technology, including zero power operation and high-power hot switching, in a 1,10 x 2,18 mm footprint, 1,10 mm high WLP package meeting the demanding requirements of applications in the medical, military and industrial markets.
The RS1-A-2515 exhibits closure sensitivity ranges from 5 to 25 millitesla, permitting operation up to 20 mm using a small NdFeB magnet. This provides it with the ability to address a wide range of applications. The switch has a release sensitivity of approximately 60% of the closure sensitivity. This high level of hysteresis minimises the potential of sticking when the magnetic field is removed and adds to the switch’s reliability.
The part has a maximum switching voltage of 100 V d.c. with a switching current of 50 mA d.c. or 35 mA a.c., RMS. The zero operating power is a critical advantage in power sensitive applications, particularly those operating with battery power.
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