View stps640c datasheet:

STPS640CT/CF/CB/CFP ® POWER SCHOTTKY RECTIFIER MAIN PRODUCT CHARACTERISTICS IF(AV) 2x3A A1 VRRM 40 V K A2 Tj (max) 150 °C VF (max) 0.57 V FEATURES AND BENEFITS K VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES EXTREMELY FAST SWITCHING A2 A2 K LOW FORWARD DROP VOLTAGE A1 A1 LOW CAPACITANCE DPAK TO-220FPAB LOW THERMAL RESISTANCE STPS640CB STPS640CFP INSULATED PACKAGE: Insulating voltage = 2000V DC Capacitance = 12pF SMD PACKAGE (tape and reel option: -TR) AVALANCHE CAPABILITY SPECIFIED DESCRIPTION Dual Schottky rectifier suited to Switch Mode A2 K Power Supplies and other Power Converters. A2 A1 K A1 This device is intended for use in low and medium voltage operation, and particulary, in high fre- ISOWATT220AB TO-220AB quency circu