Studmount rectifier diode, 1200V, selectable 25A to 85A, available in HF (positive cathode) and HFR (negative anode) configurations to match your circuit polarity and installation needs. Key benefits voltage and current capacity: 1200V rating with current options from 25A to 85A supports demanding power applications without overloading. Polarity options for easy integration: HF (positive cathode) and HFR (negative anode) configurations let you choose the correct orientation for your circuit without workarounds. Robust surge tolerance: Surge current capability exceeds continuous ratings, so the diode withstands powerup inrush and shortduration overloads without immediate failure. Efficient electrical performance: Low forward voltage drop and fast recovery characteristics reduce losses and switching stress in power conversion stages. Stable thermal behavior: grade semiconductor construction provides consistent performance under varying loads and temperature conditions. Practical mounting and connection: Studmount form factor delivers secure mechanical and electrical contact for industrial assemblies. How this product solves problems Prevents undervalued components from failing under voltage or surge conditions by offering a 1200V rating and generous surge headroom. Reduces heat losses and switching losses through minimal forward voltage drop and fast recovery, improving overall system efficiency. Simplifies assembly and replacement with a studmount interface and clear HF or HFR polarity options, lowering installation time and wiring errors. Maintains reliable operation across load changes thanks to thermal stability built into the semiconductor materials. Performance and construction highlights Function: Rectification for conversion of AC to DC in voltage power systems. Compatibility: Designed for battery charging systems, power converters, welding equipment, machine tools, and motor control circuits. Material: Manufactured from grade semiconductor materials for longterm stability and repeatable electrical characteristics. Form factor: Studmount package for robust mechanical fastening and current carrying capability. Electrical behavior: Low forward voltage drop and fast recovery reduce losses and support efficient switching; rated surge current exceeds continuous current rating for safe handling of transients. Typical applications and scenarios Battery charging system: Use as the main rectifier to handle charging currents and absorb the initial inrush when batteries are connected, withstanding brief overloads during startup. Welding or heavyduty power equipment: Install in the rectifier stage to manage surge currents and repeated duty cycles while minimizing heating and voltage loss. Motor control and machine tool drives: Provide dependable rectification and transient tolerance in motor controllers and servo drives where rapid load changes occur. Ordering and selection guidance Select the current rating closest to your continuous load requirement within the 25A to 85A range and choose HF or HFR configuration to match the required cathode or anode polarity for your circuit. The studmount design and robust semiconductor construction make these diodes suitable wherever secure electrical connection and surge tolerance are needed. This studmount rectifier diode offers a straightforward, performance option for industrial and commercial power electronics requiring 1200V capability, configurable polarity, and strong surge handling.