SB4020PT SERIES SCHOTTKY BARRIER RECTIFIERS VOLTAGE 20 to 60 Volts CURRENT 40 Amperes FEATURES • Plastic package has Underwriters Laboratory Flammability Classification 94V-O. 0.142(3.60) 0.125(3.20) Flame Retardant Epoxy Molding Compound. 0.640(16.25) 0.620(15.75) 0.600(15.25) 0.580(14.75) 0.839(21.30) 0.819(20.80) • Exceeds environmental standards of MIL-S-19500/228 0.199(5.05) 0.175(4.45) • Low power loss, high efficiency. • Low forward voltage, high current capability • High surge capacity. • For use in low voltage,high frequency inverters 0.095(2.40) • In compliance with EU RoHS 2002/95/EC directives MECHANICAL DATA 0.170(4.30) 0.145(3.70) 0.798(20.25) 0.777(19.75) 0.087(2.20) 0.070(1.80) 0.126(3.20) 0.110(2.80) 0.050(1.25) 0.045(1.15) free wheeling , and polarlity protection applications. 0.030(0.75) 0.017(0.45) • Case: TO-247AD/TO-3P Molded plastic 0.225(5.70) 0.204(5.20) • Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 0.225(5.70) 0.204(5.20) • Polarity: As marked. • Standard packaging: Any • Weight: 0.2245 ounces, 6.3673 grams. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% PA RA ME TE R S YM B OL S B 4 0 2 0 P T S B 4 0 3 0 P T S B 4 0 4 0 P T S B 4 0 4 5 P T S B 4 0 5 0 P T S B 4 0 6 0 P T UN ITS Ma xi m um Re c urre nt P e a k Re ve r s e Vo lta g e V RRM 20 30 40 45 50 60 V Ma xi m um RM S Vo lta g e V RM S 14 21 28 3 1 .5 35 42 V Ma xi m um D C B lo c k i ng Vo lta g e V DC 20 30 40 40 50 60 V Ma xi m um A ve ra g e F o r wa rd C ur re nt a t T c = 9 0 OC I F ( AV ) 40 A P e a k F o rw a rd S urg e C urr e nt : 8 .3 ms s i ng le ha lf s i ne -wa ve s up e ri mp o s e d o n ra te d lo a d ( J E D E C m e tho d ) IF S M 350 A Ma xi m um F o rwa r d Vo lta g e a t 2 0 A p e r le g VF Ma xi m um D C Re ve rs e C urr e nt a t Ra te d D C B lo c k i ng Vo lta g e T J = 2 5 OC TJ= 1 0 0 OC 0 .5 5 0 .7 0 IR 0 .2 50 R J C 1 .5 V mA O Typ i c a l The rma l Re s i s ta nc e Op e ra ti ng J unc ti o n a nd S to ra g e Te m p e ra ture Ra ng e T J ,T S TG -5 5 to + 1 2 5 - 5 5 to + 1 5 0 C / W O C NOTE: Both Bonding and Chip structure are available. August 31,2010-REV.03 PAGE . 1 SB4020PT SERIES 50 20-30V 40-60V 40 30 20 10 0 0 50 150 100 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, AMPERES RATING AND CHARACTERISTIC CURVES 400 8.3ms Single Half Sine-Wave JEDEC Method 350 300 250 200 150 100 50 0 1 2 O 5 10 20 50 100 NO. OF CYCLE AT 60Hz CASE TEMPERATURE, C Fig.1- FORWARD CURRENT DERATING CURVE Fig.2- MAXIMUM NON - REPETITIVE SURGE CURRENT INSTANTANEOUS FORWARD CURRENT AMPERES INSTANTANEOUS REVERSE CURRENT, mA 10 O T J=100 C 1.0 O T J=75 C 0.1 O T J=25 C 0.01 0.001 0 20 40 60 80 August 31,2010-REV.03 10 8 6 4 2 1.0 0.8 0.6 0.4 20-45V 50-60V 0.2 0.1 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 100 PERCENT OF INSTANTANEOUS REVERSE VOLTAGE,(%) Fig.3- TYPICAL REVERSE CHARACTERISTIC 40 INSTANTANEOUS FORWARD VOLTAGE, VOLTS Fig.4- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTIC PAGE . 2