PD-2.306 rev. A 12/97 31DQ09 31DQ10 SCHOTTKY RECTIFIER 3.3 Amp Major Ratings and Characteristics Description/Features Characteristics 31DQ.. Units I F(AV) Rectangular waveform 3.3 A 90/100 V I FSM @ tp = 5 s sine 210 A VF 0.85 V - 40 to 125 C VRRM @ 3 Apk, TJ = 25C TJ The 31DQ.. axial leaded Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. Low profile, axial leaded outline High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability CASE STYLE AND DIMENSIONS Outline DO-201AD Dimensions in millimeters and inches www.irf.com 1