View stps1045b datasheet:

Bulletin PD-20754 rev. A 02/02 STPS1045B SCHOTTKY RECTIFIER 10 Amp D-Pak (TO-252AA) Major Ratings and Characteristics Description/Features Characteristics STPS1045B Units The STPS1045B surface mount Schottky rectifier has been designed for applications requiring low forward drop and small foot prints on PC board. Typical applications are in disk drives, IF(AV) Rectangular 10 A switching power supplies, converters, free-wheeling diodes, waveform battery charging, and reverse battery protection. VRRM 45 V Popular D-PAK outline Small foot print, surface moutable IFSM @ tp = 5 µs sine 390 A Low forward voltage drop High frequency operation VF @ 10 Apk, TJ = 125°C 0.57 V Guard ring for enhanced ruggedness and long term reliability TJ range - 40 to 175 °C 2.38 (0.09) 2.19