View stps20l15 datasheet:

STPS20L15D/G ® LOW DROP OR-ing POWER SCHOTTKY DIODE MAIN PRODUCT CHARACTERISTICS IF(AV) 20 A VRRM 15 V Tj (max) 125°C VF (max) 0.33 V K FEATURES AND BENEFITS K VERY LOW FORWARD VOLTAGE DROP FOR LESS POWER DISSIPATION AND REDUCED HEATSINK SIZE A REVERSE VOLTAGE SUITED TO OR-ing OF 3V, A NC 5V and 12V RAILS K AVALANCHE CAPABILITY SPECIFIED DESCRIPTION TO-220AC D2PAK Packaged in TO-220AC or D2PAK, this device is STPS20L15D STPS20L15G especially intended for use as an OR-ing diode in fault tolerant power supply equipments. ABSOLUTE RATINGS (limiting values) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 15 V IF(RMS) RMS forward current 30 A IF(AV) Average forward current Tc = 115°C ? = 1 20 A IFSM Surge non repetitive forward current tp = 10