This document describes the features and characteristics of the RS1A - RS1M series fast rectifiers produced by Fairchild Semiconductor Corporation, including glass passivated junction, suitable for surface mounted applications, built-in strain relief for automated placement, and UL certified. The document also lists the absolute maximum ratings of this series of products, including maximum repetitive reverse voltage, average rectified forward current, non-repetitive peak forward surge current, storage temperature range, and operating junction temperature. In addition, the document provides electrical performance parameters of this series of products, such as power dissipation, thermal resistance, forward voltage, reverse recovery time, reverse current, and total capacitance.