Hello. Welcome to Futurlec. The electronic components Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. RECTANGULAR CERMR500K - 500k 1/2W Rectangular Cermet Potentiometer Photograph Features 15 Turn Cermet type Absolute Minimum Resistance: 2ohms or 1% maximum Insulation Resistance: 1000Mohm minimum at 500VDC Rotational Life: 200 cycles