View stps20l15t datasheet:

Bulletin PD-20627 05/01 STPS20L15T STPS20L15TS SCHOTTKY RECTIFIER 20 Amps Major Ratings and Characteristics Description/Features The Schottky rectifier module has been optimized for ultra low Characteristics Values Units forward voltage drop specifically for the OR-ing of parallel power supplies. The proprietary barrier technology allows for reliable operation up to 125 °C junction temperature. Typical IF(AV) Rectangular 20 A applications are in parallel switching power supplies, waveform converters, reverse battery protection, and redundant power VRRM 15 V subsystems. 125°C TJ operation (VR < 5V) IFSM @ tp = 5 µs sine 700 A Center tap module Optimized for OR-ing applications VF @ 19 Apk, TJ=125°C 0.25 V Ultra low forward voltage drop ( Typical) High frequency operat