The PCSK series is a high-precision SMD alloy current sensing resistor with plastic packaging, with tightest tolerance of 0.5% and TCR as low as 25ppm. High quality raw material processing and electron beam welding process make this series have excellent long-term stability and reliability, and also have the features of cost-effective. It is very suitable for instrumentation, semiconductor assembly and tests, sorting & formation of lithium ion battery, and precision power supply.