This is a low resistance and current sense resistor, 1206W4J056LT5E, which is a surface mount 1206 RoHS resistor manufactured by Uniroyal. It is designed for use in low-voltage, low-current applications, and has a resistance of 5.6 ohms. It is made of a low-temperature co-fired ceramic material, which ensures high stability and reliability in more demanding environments. The product is halogen free, has a wide operating temperature range of -55°C to +125°C, and an extremely low TCR of +20 ppm/°C. In addition, it has a small footprint of just 1206 millimeters and is easy to install, making it ideal for space-constrained applications.