The HS100-0R051K is a part manufactured by Ohmite, a company that specializes in resistors and related components. This part is a non-inductive, wirewound-type resistor with a resistance value of 0.051 ohms. It has a power rating of 100 watts, a thermal resistance of 0.5°C/W, and a temperature coefficient of resistance (TCR) of ±100ppm/°C. The HS100-0R051K has a maximum operating temperature of +300°C, and its size is 1.4" x 0.91" x 0.61".