The HCS Series from Stackpole Electronics, Inc. is designed for high current sensing applications. This series utilizes a raised metal element that provides robust current handling and surge handling, while minimizing the amount of heat forced into the PCB and surrounding components. The HCS Series is available in a 3W 2512 chip size and a 5W 3920 chip size, in values of 0.3, 0.5, and 1 milliohm. TCR ranges from 50 ppm to 150 ppm depending on value and tolerances of 1% and 5% are available.
The HCS is designed for a wide range of high current sensing requirements in power supplies and modules, frequency converters, engine and motor controls, portable power and battery management, and robotics. Pricing varies with size, value, and tolerance, and ranges from $0.35 to $0.70 each in full reel quantities.