
PCB mount current sensor takes up to ±50A continuous currents
Use of a proprietary high-sensitivity magnetic sensor element (GMR3 element) eliminates the need for a core to concentrate magnetic flux, enabling a compact design weighing only 3g. Furthermore, proprietary magnetic control plates positioned around the sensor element ensure both high sensitivity and resistance to outside disturbance. Resistance in the primary conductor is also the industry’s lowest at 60Ω, a 40% reduction compared to other existing current sensors, says Alps Green Devices. This reduces conductor heat generation, helping to lower power loss associated with current measurement. The GCBC Series supports a maximum continuous current up to ±50A. The company is developing sensors that will detect currents of up to 150A.
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