View stps140a datasheet:

STPS140A/U ® POWER SCHOTTKY RECTIFIER MAIN PRODUCT CHARACTERISTICS IF(AV) 1A VRRM 40 V VF (max) 0.5 V FEATURES AND BENEFITS VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES LOW FORWARD VOLTAGE DROP SMB SMA SURFACE MOUNTED DEVICE STPS140U STPS140A AVALANCHE CAPABILITY SPECIFIED DESCRIPTION Single chip Schottky rectifier suited for Switchmode Power Supplies and high frequency DC to DC converters. Packaged in SMA and SMB(*), this device is in- tended for surface mounting and used in low volt- age, high frequency inverters, free wheeling and polarity protection applications. (*) in accordance with DO214AAand DO21AC JEDEC ABSOLUTE RATINGS (limiting values) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 40 V IF(RMS) RMS forward current