SCHOTTKY RECTIFIER MBR4045WT 40 Amp I F(A) = 40Amp R = 45 Major Ratings and Characteristics Characteristics alues Units I F(A) Rectangular waveform 40 A (Per Device) I FRM @ T C = 25 C 40 A (Per Leg) RRM 45 I FSM @ tp = 5 μs sine 020 A F @ 20 Apk, T = 25 C 0.56 T range - 55 to 50 C Description/ Features The MBR4045WT center tap Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 50 C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 50 C T operation Center tap TO-247 package High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance ery low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability Case Styles Base Common Cathode 2 TO-247AC 3 Anode Anode 2 2 Common Cathode
oltage Ratings Part number MBR4045WT R Max. DC Reverse oltage () RWM Max. Working Peak Reverse oltage () Absolute Maximum Ratings Parameters alues Units Conditions I F(A) Max. Average Forward (Per Leg) 20 Current (Per Device) 40 A @ T C = 25 C, 50% duty cycle, rectangular waveform I FRM Peak Repetitive Forward 40 A Rated R, square wave, 20kHz Current (Per Leg) T C = 25 C I FSM Max.Peak One Cycle Non-Repetitive 020 5μs Sine or 3μs Rect. pulse Following any rated A load condition and with Surge Current ( Per Leg) See fig.7 265 0ms Sine or 6ms Rect. pulse rated RRM applied E AS Non-Repetitive Avalanche Energy 20 m T = 25 C, I AS = 3 Amps, L = 4.40 mh (Per Leg) I AR Repetitive Avalanche Current 3 A Current decaying linearly to zero in μsec (Per Leg) Frequency limited by T max. A =.5 x R typical Electrical Specifications Parameters alues Units Conditions FM () I RM Max. Forward oltage Drop 0.56 Max. Instantaneus Reverse Current 0.59.75 @ 20A ma @ 20A T = 25 C 0.72 () 0.78 50 @ 40A ma @ 40A T = C T = 25 C T = 25 C Rated DC voltage 85 ma T = 25 C F(TO) Threshold oltage 0.29 T = T max. r t Forward Slope Resistance 0.3 mω C T Max. unction Capacitance 900 pf R = 5 DC (test signal range Khz to Mhz) 25 C L S Typical Series Inductance 7.5 nh Measured from top of terminal to mounting plane dv/dt Max. oltage Rate of Change 00 / μs (Rated R ) Thermal-Mechanical Specifications Parameters alues Units Conditions T Max. unction Temperature Range -55 to 50 C T stg Max. Storage Temperature Range -55 to 75 C R thc Max. Thermal Resistance.4 C/W DC operation unction to Case (Per Package) R thcs Typical Thermal Resistance 0.7 C/W Mounting surface, smooth and greased Case to Heatsink wt Approximate Weight 6 (0.2) g (oz.) T Mounting Torque Min. 6 (5) Kg-cm Max. 2 (0) (Ibf-in) Case Style TO-247AC (TO-3P) EDEC 45 () Pulse Width < 300μs, Duty Cycle <2% 2
0 0 Instantaneous Forward Current - I F (A) 0 T = 50 C T = 25 C T = 25 C Reverse Current - I R (ma) unction Capacitance - C T (pf) 0 0. 0.0 T = 50 C 25 C C 75 C 50 C 25 C 0.00 0 0 20 30 40 50 Reverse oltage - R () Fig. 2 - Typical alues Of Reverse Current s. Reverse oltage 0 T = 25 C 0 0.4 0.8.2.6 2 Forward oltage Drop - FM () Fig. - Max. Forward oltage Drop Characteristics 0 0 0 20 30 40 50 Reverse oltage - R () Fig. 3 - Typical unction Capacitance s. Reverse oltage Thermal Impedance Z thc ( C/W) 0. D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 Notes: Single Pulse. Duty factor D = t / t 2 (Thermal Resistance) 2. Peak T = P DMx Z thc+ TC 0.0 0.0000 0.000 0.00 0.0 0. 0 t, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z thc Characteristics P DM t t 2 3
Allowable Case Temperature ( C) 60 40 20 Square wave (D = 0.50) Rated applied R DC see note (2) 80 0 5 0 5 20 25 30 Average Forward Current - I F(A) (A) Fig. 5 - Max. Allowable Case Temperature s. Average Forward Current Average Power Loss (Watts) 20 5 0 5 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS Limit DC 0 0 5 0 5 20 25 30 Average Forward Current - I F(A) (A) Fig. 6 - Forward Power Loss Characteristics Non-Repetitive Surge Current - I FSM (A) 0 At Any Rated Load Condition And With Rated Applied Following Surge RRM 0 0 00 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Max. Non-Repetitive Surge Current L DUT IRFP460 HIGH-SPEED SWITCH Rg = 25 ohm FREE-WHEEL DIODE + d = 25 olt CURRENT MONITOR 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit (2) Formula used: T C = T - (Pd + Pd RE ) x R thc ; Pd = Forward Power Loss = I F(A) x FM @ (I F(A) / D) (see Fig. 6); Pd RE = Inverse Power Loss = R x I R ( - D); I R @ R = rated R 4
Outline Table Conform to EDEC outline TO-247AC (TO-3P) Dimensions in millimeters and (inches) Marking Information THIS IS A MBR4045WT WITH LOT CODE 58 07 ASSEMBLED ON WW 2, 2000 IN THE ASSEMBLY LINE "L" INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE MBR4045WT 035H 58 07 PART NUMBER DATE CODE YEAR 0 = 2000 WEEK 35 LINE H 5
MBR4045WT This model has been developed by Wizard SPICE MODEL GENERATOR (999) (International Rectifier Corporation) contains Proprietary Information SPICE Model Diode is composed by a simple diode plus paralled CG2T.SUBCKT MBR4045WT ANO CAT D ANO DMOD (0.07089) *Define diode model.model DMOD D(IS=.8767444738784E-04A,N=.08529563336,B=5, + IB=0.370052070282A,RS= 0.000482052,CO=.7708334686508E-08, + =2.6320433908928,XTI=2, EG=0.680665296447736) *Implementation of CG2T X 2 DC 0 R 2 CAT TRES E-6.MODEL TRES RES(R=,TC=30.26656784878) GP ANO CAT ALUE={-ABS(I(X))*(EXP((((-2.374754E-03/30.26657)*(((2,CAT)*E6)/(I(X)+E-6)- ))+)*6.04900E-02*ABS((ANO,CAT)))-)}.ENDS MBR4045WT Thermal Model Subcircuit.SUBCKT MBR4045WT 5 CTHERM 5 4 8.75E-0 CTHERM2 4 3.9E+0 CTHERM3 3 2 7.69E+0 CTHERM4 2 4.98E+02 RTHERM 5 4.00E-04 RTHERM2 4 3 7.5E-0 RTHERM 3 2 5.30E-0 RTHERM 2.50E-0.ENDS MBR4045WT 6
Ordering Information Table Device Code MBR 40 45 WT - 2 3 4 5 - Schottky MBR Series 2 - Currrent Rating (40 = 40A) 3 - oltage Rating (45 = 45) 4 - Circuit Configuration : Center Tap (Dual) TO-247 5 - none = Standard Production PbF = Lead-Free Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (30) 252-705 TAC Fax: (30) 252-7309 isit us at for sales contact information. 0/06 7