Product Name : Aluminium Resistor 50 watt rated power, 1 ohm resistance value, 5% tolerance, aluminum case in gold tone color, chassis mount, etc. Designed with screw tabs on both sides to tighten the resistor against a chassis or heat sink for greater heat dissipation. Widely used in power supply, transducer, elevator, audio and high requirement equipment industry. Power Rating : 50W Resistance Value : 1 Ohm Resistance Tolerance : +/- 5% Mounting Hole Dia. : 0.3cm / 0.118" Mounting Hole Spacing : 4cm / 1.6" Case Size (Exclude Tabs) : 5 x 1.6 x 1.5cm / 2" x 0.62" x 0.59" (L*W*H) Overall Size (Approx.) : 7.3 x 2.8cm / 2.9" x 1.1" (L*W) Case Material : Aluminum Case Color : Gold Tone Net Weight : 26g Package Content : 1 x Aluminium Resistor Note:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Name : Aluminium Resistor 50 watt rated power, 1 ohm resistance value, 5% tolerance, aluminum case in color, chassis mount, etc. Widely used in power supply, transducer, elevator, audio and high requirement equipment industry. Designed with screw tabs on both sides to tighten the resistor against a chassis or heat sink for greater heat dissipation.