MRA0207130RBTA15 is a 0.021 ohm, thick film resistor made by Ohmite. The resistor has 15 watts of power rating, a square, axial-leaded package, and it has four resistance values: 0.005, 0.01, 0.02, and 0.03 ohms. It features a ±20% tolerance and a flame-retardant epoxy coating. The operating temperature range is -55 to +155°C (-67 to +311°F).