The ASR-M-5-0.4J-t is a surface mount small-size current sense resistor produced by Yezhan which offers low resistance and current sensing capability. It has a resistance tolerance of ±5%, a resistance of 0.0004 Ohms (4 milliohms), and is RoHS compliant. The temperature range of the resistor is -55°C to +175°C, and it has an applicable power rating of 0.4 Watts. It offers an excellent cost-performance ratio and is resistant to moisture and chemicals, making it suitable for various applications, such as computers, telecommunications, audio and automotive electronics.