Aluminum resistance series made of aluminum alloy with a heat radiating groove on the surface. Compact design with high power handling, high temperature resistance, and strong overload capacity with excellent weather resistance. High precision, low standard induction resistance, high stability, and robust construction. Good flexibility and multiple application options, suitable for machinery protection and easy installation. Ideal for use in aging test power supplies, inverters, automation equipment, acoustics, frequency dividers, and demanding industrial applications. Type: 4 Ohm 4R 100W Power Metal Case Wirewound Resistor Color: Gold Size: 60mm x 21mm x 16mm Package includes: 1 x 100W Power Metal Case Wirewound Resistor Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.