View stps640 datasheet:

STPS640CT/CF/CB ? POWER SCHOTTKY RECTIFIER MAIN PRODUCT CHARACTERISTICS I 2x3A A1 F(AV) K V 40 V RRM A2 Tj (max) 150 °C V (max) 0.57 V F K FEATURES AND BENEFITS VERY SMALL CONDUCTION LOSSES NEGLIGIBLESWITCHING LOSSES A2 EXTREMELY FAST SWITCHING A1 LOW FORWARD DROP VOLTAGE DPAK LOW CAPACITANCE STPS640CB LOW THERMAL RESISTANCE INSULATED PACKAGE: Insulatingvoltage = 2000V DC Capacitance= 12pF SMD PACKAGE (tape and reel option: -TR) A2 DESCRIPTION K A2 A1 K Dual Schottky rectifier suited to Switch Mode A1 Power Supplies and other Power Converters. ISOWATT220AB This device is intended for use in low and medium TO-220AB voltage operation, and particulary, in high fre- STPS640CF STPS640CT quency circuitries where low switching losses are required (free w