This document describes the features and characteristics of the 85HF(R) series standard recovery diodes, including high surge current capability, stud cathode and stud anode versions, and types up to 1600V. They are commonly used in battery chargers, converters, power supplies, machine tool controls, and welding applications.
This document provides a technical overview of the International Rectifier 85HF(R) Series Standard Recovery Diodes in stud versions. It details major ratings including high surge current capability up to 1800A peak non-repetitive surge and reverse voltage ranges from 10V to 1600V.
The datasheet includes comprehensive electrical specifications for forward conduction, thermal resistance values (Rjc), and mechanical mounting torque requirements. It also features ordering information tables, case style dimensions (DO-203AB/DO-5), and various performance graphs regarding current ratings and power loss characteristics.
| Average forward current (I_F) | 85 A |
|---|---|
| Peak non-repetitive surge current (I_FSM) | 1800 A @ 60Hz |
| Reverse voltage range | 10 to 1200 V (Standard) |
| Maximum junction operating temperature | -65 to 180 °C |
| Thermal resistance, junction-to-case (Rjc) | 0.35 K/W |
Typical applications include battery charges, converters, power supplies, machine tool controls, and welding.
The maximum forward voltage drop (Vem) is 1.2 V to 1.4 V under specific conditions.
The devices utilize the DO-203AB (DO-5) case style.