View stps1l30u datasheet:

Bulletin PD-20583 rev. A 02/02 STPS1L30U SCHOTTKY RECTIFIER 1 Amp SMB Major Ratings and Characteristics Description/Features The STPS1L30U surface-mount Schottky rectifier has been Characteristics STPS1L30U Units designed for applications requiring low forward drop and small foot prints on PC boards. Typical applications are in disk drives, IF(AV) Rectangular 1.0 A switching power supplies, converters, free-wheeling diodes, waveform battery charging, and reverse battery protection. Small foot print, surface mountable VRRM 30 V Very low forward voltage drop IFSM @ tp= 5 ms sine 360 A High frequency operation Guard ring for enhanced ruggedness and long term reliability VF @ 1.0Apk, TJ= 125°C 0.30 V TJ range - 55 to 150 °C Device Marking: IR13L CATHODE ANODE 1 2 2.15 (.0