Features: * new and high quality * Made of high quality materials, durable * High surge current capability. * Stud cathode and stud anode versions. * Wide current range. * Easy to install, easy to use and maintain. * 85A/70A/50A/40A/25A 1200V positive/negative stud mount diode rectifier. * Suitable for battery charging, converters, power supplies, machine tool controls, welding machines, and motor controls. Specification: Product Type: Rectifier Diode Size: as shown in the picture Model: 25HF 120, 25HFR 120, 40HF 120, 40HFR 120, 50HF 120, 50HFR 120, 70HF 120, 70HFR 120, 85HF 120, 85HFR 120 (optional) positive electrode: 85HF 120, 1200V 85A, positive pole 70HF 120, 1200V 70A, positive pole 50HF 120, 1200V 50A, positive pole 40HF 120, 1200V 40A, positive pole 25HF 120, 1200V 25A, positive pole negative electrode: 85HFR 120, 1200V 85A, negative pole 70HFR 120, 1200V 70A, negative pole 50HFR 120, 1200V 50A, negative pole 40HFR 120, 1200V 40A, negative pole 25HFR 120, 1200V 25A, negative pole Package Included: 1 x stud diode rectifier Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.