... and high quality. 3.RoHS compliant & ISO9001. 4.OEM. ProductionnameBC1 Adjustable Rheostat,Variable Resistor,Wirewound ResistorPower rating25W-3000WResistance value1Ω-10KΩResistance ... .High power rating,resistance to humidity, resistance value in great adjustable range.3.Widely used in educational modeling,load simulations,industiral ...