SB4045LCT DUAL LOW VF SCHOTTKY RECTIFIER VOLTAGE 45 Volts CURRENT 40 Amperes FEATURES • Low forward voltage drop, low power losses • High efficiency operation • In compliance with EU RoHS 2002/95/EC directives MECHANICAL DATA Case : TO-220AB, Plastic Terminals : Solderable per MIL-STD-750, Method 2026 .058(1.47) Weight: 0.0655 ounces, 1.859 grams .042(1.07) MAXIMUM RATINGS(TA=25oC unless otherwise noted) PARAMETER Maximum repetitive peak reverse voltage SYMBOL VALUE UNIT VRRM 45 V Maximum average forward rectified current (Fig.1) per device per diode I F(AV) 40 20 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load per diode per diode I FSM 250 A R ΘJC 2 .5 TJ -55 to + 125 o C TSTG -55 to + 150 o C Typ i c a l The rma l Re s i s ta nc e Operating junction Storage temperature range O C /W ELECTRICAL CHARACTERISTICS(TA=25oC unless otherwise noted) PARAMETER Breakdown voltage SYMBOL V BR Instantaneous forward voltage per diode (1) VF Reverse current per diode (2) IR TEST CONDITIONS I R=1mA MIN. TYP. MAX. UNIT 49 - - V I F=10A I F=20A TJ=25oC - 0.44 0.51 0.48 0.53 V I F=10A I F=20A TJ=125oC - 0.36 0.50 0.55 V VR=45V TJ=25oC TJ=100oC - - 500 100 μA mA Note.1.Pulse test : 300μs pulse width, 1% duty cycle 2.Pulse test : pulse width < 40ms PAN JIT RESERVES THE RIGHT TO IMPROVE PRODUCT DESIGN, FUNCTIONS AND RELIABILITY WITHOUT NOTICE Apr 26,2010-REV.00 PAGE . 1 SB4045LCT 100 IR, Leakage Current (mA) IF, Forward Current (A) 100 TJ = 100°C 10 TJ = 125°C TJ = 25°C 1 TJ = 75°C 0.1 TJ = 100°C 10 1 TJ = 25°C 0.1 0.01 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 20 40 VF, Forward Voltage (V) Fig.1 Typical Forward Characteristics Per Diode 80 100 Fig.2 Typical Reverse Characteristics Per Diode 10000 1000 100 10 0.1 1 10 100 VR, Reverse Bias Voltage (V) Fig.3 Typical Junction Capacitance Per Diode Apr 26,2010-REV.00 IF, Average Forward Current (A) CJ, Junction Capacitance (pF) 60 Percent of Rated Peak Reverse Voltage (%) 25 20 15 10 5 0 0 25 50 75 100 125 150 TC, Case Temperature (°C) Fig.4 Forward Current Derating Curve Per Diode PAGE . 2