Bulletin PD-2.320 rev. D 07/03 MBR2045CT MBRB2045CT MBR2045CT-1 20 Amp SCHOTTKY RECTIFIER Description/ Features Major Ratings and Characteristics Characteristics Values Units 20 A 20 A VRRM 35/45 V IFSM @ tp = 5 s sine 1060 A VF @ 10 Apk, TJ = 125C 0.57 V TJ range - 65 to 150 C IF(AV) Rectangular waveform This center tap Schottky rectifier has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 150 C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. (Per Device) IFRM @ TC = 135C (Per Leg) 150 C TJ operation Center tap TO-220 and D2Pak packages Low forward voltage drop High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance High frequency operation Guard ring for enhanced ruggedness and long term reliability Case Styles MBR20..CT MBRB20..CT Base Common Cathode Base Common Cathode 1 2 Common Cathode TO-220 www.irf.com Base Common Cathode 2 2 Anode MBR20..CT-1 3 Anode 1 Anode 2 Common Cathode 2 D PAK 2 3 Anode 1 Anode 2 Common Cathode 3 Anode TO-262 1 MBR2045CT, MBRB2045CT, MBR2045CT-1 Bulletin PD-2.320 rev. D 07/03 Voltage Ratings Parameters VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) MBR2035CT MBRB2035CT MBR2035CT-1 MBR2045CT MBRB2045CT MBR2045CT-1 35 45 Absolute Maximum Ratings Parameters Values Units 10 20 20 A @ T C = 135 C, (Rated VR) A Rated V R , square wave, 20kHz TC = 135 C IF(AV) Max. Average Forward (Per Leg) Current (Per Device) IFRM Peak Repetitive Forward Current (Per Leg) IFSM Non Repetitive Peak Surge Current 1060 A 150 Conditions 5s Sine or 3s Following any rated load condition and with rated V RRM applied Rect. pulse Surge applied at rated load conditions halfwave, single phase, 60Hz EAS Non-Repetitive Avalanche Energy 8 mJ IAR Repetitive Avalanche Current (Per Leg) 2 A (Per Leg) TJ = 25 C, IAS = 2 Amps, L = 4 mH Values Units Max. Forward Voltage Drop 0.84 V @ 20A (1) 0.57 V @ 10A 0.72 V @ 20A Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM IRM Max. Instantaneus Reverse Current (1) Conditions TJ = 25 C TJ = 125 C 0.1 mA TJ = 25 C 15 mA TJ = 125 C TJ = TJ max. Rated DC voltage VF(TO) Threshold Voltage 0.354 V rt Forward Slope Resistance 17.6 m CT Max. Junction Capacitance 600 pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25C LS Typical Series Inductance 8.0 nH Measured from top of terminal to mounting plane 10000 V/ s dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters Values Units TJ Max. Junction Temperature Range -65 to 150 C Tstg Max. Storage Temperature Range -65 to 175 C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) 2.0 C/W DC operation RthCS Typical Thermal Resistance Case to Heatsink 0.50 C/W Mounting surface, smooth and greased Only for TO-220 wt Approximate Weight T Mounting Torque 2 2 (0.07) Min. 6 (5) Max. 12 (10) g (oz.) Kg-cm Non-lubricated threads (Ibf-in) www.irf.com MBR2045CT, MBRB2045CT, MBR2045CT-1 Bulletin PD-2.320 rev. D 07/03 100 Reverse Current - IR (mA) TJ = 150C 10 125C 1 100C 75C 0.1 50C 0.01 25C 0.001 TJ = 150C 0.0001 TJ = 125C 10 0 5 10 15 20 25 30 35 40 45 Reverse Voltage - VR (V) TJ = 25C Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 1000 Junction Capacitance - C T (pF) InstantaneousForward Current - IF (A) 100 1 0.2 TJ = 25C 100 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0 10 20 30 40 50 Reverse Voltage - VR (V) Forward Voltage Drop - VFM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Thermal Impedance Z thJC (C/ W) 10 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 0.1 PDM t1 Single Pulse (Thermal Resistanc e) Notes: t2 1. Duty factor D = t 1/ t 2 2. Peak TJ = PDM x Z thJC+ TC 0.01 0.00001 0.0001 0.001 0.01 0.1 1 10 100 t 1 , Rec tangular Pulse Duration (Seco nds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 MBR2045CT, MBRB2045CT, MBR2045CT-1 Bulletin PD-2.320 rev. D 07/03 10 145 Average Power Loss - (Wa tts) Allowable Case Temperature - (C) 150 DC 140 135 Square wave (D = 0.50) Rated VR applied 130 125 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 8 6 RMSLimit DC 4 2 see note (2) 120 0 3 6 9 12 0 15 0 Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Non-Repetitive Surge Current - I FSM (A) 2 4 6 8 10 12 14 16 Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics (Per Leg) 1000 At Any Rated Load Cond ition And With Rated V RRM Applied Following Surge 100 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = V R1 x IR (1 - D); IR @ VR1 = rated V R 4 www.irf.com MBR2045CT, MBRB2045CT, MBR2045CT-1 Bulletin PD-2.320 rev. D 07/03 Ordering Information Table Device Code 1 - 2 - MBR B 20 45 CT -1 1 2 3 4 5 6 Essential Part Number B = Surface Mount None = TO-220 3 - Current Rating 4 - Voltage code: Code = VRRM 5 - CT= Essential Part Number 6 - -1 = TO-262 35 = 35V 45 = 45V None = TO-220 Outline Table 10.54 (0.41) MAX. 1.32 (0.05) 3.78 (0.15) 3.54 (0.14) 2.92 (0.11) 2.54 (0.10) TERM 2 15.24 (0.60) 14.84 (0.58) 1.22 (0.05) DIA. 6.48 (0.25) 6.23 (0.24) 1 2 3 14.09 (0.55) 3.96 (0.16) 13.47 (0.53) 3.55 (0.14) 2 0.10 (0.004) 2.04 (0.080) MAX. 1.40 (0.05) BASE COMMON CATHODE 2.89 (0.11) 1.15 (0.04) 0.94 (0.04) 2.64 (0.10) 2 0.69 (0.03) 1 1 2 3 4.57 (0.18) 0.61 (0.02) MAX. 4.32 (0.17) 5.08 (0.20) REF. www.irf.com 2 3 ANODE COMMON ANODE CATHODE 1 2 Conform to JEDEC outline TO-220AB Dimensions in millimeters and (inches) 5 MBR2045CT, MBRB2045CT, MBR2045CT-1 Bulletin PD-2.320 rev. D 07/03 Outline Table 4.69 (0.18) 4.20 (0.16) 10.16 (0.40) REF. 1.32 (0.05) 1.22 (0.05) 6.47 (0.25) 15.49 (0.61) 93 6.18 (0.24) 14.73 (0.58) 5.28 (0.21) 2.61 (0.10) 4.78 (0.19) 2.32 (0.09) 0.55 (0.02) 8.89 (0.35) 3X BASE COMMON CATHODE REF. 1.40 (0.055) 1.14 (0.045) 2X 0.46 (0.02) 0.93 (0.37) MINIMUM RECOMMENDED FOOTPRINT 0.69 (0.27) 11.43 (0.45) 2 1 1 2 3 4.57 (0.18) 3 8.89 (0.35) 4.32 (0.17) ANODE COMMON ANODE CATHODE 1 2 2 17.78 (0.70) 0.61 (0.02) MAX. 5.08 (0.20) REF. 3.81 (0.15) 2.08 (0.08) Conform to JEDEC outline D2Pak (SMD-220) Dimensions in millimeters and (inches) 2X 2.54 (0.10) 2X Tape & Reel Information TRR 1.60 (0.063) 1.50 (0.059) 4.10 (0.161) 3.90 (0.153) FEED DIRECTION 1.85 (0.073) 1.65 (0.065) 1.60 (0.063) 1.50 (0.059) DIA. 0.368 (0.0145) 0.342 (0.0135) 11.60 (0.457) 11.40 (0.449) 15.42 (0.609) 15.22 (0.601) TRL 1.75 (0.069) 10.90 (0.429) 10.70 (0.421) 1.25 (0.049) 24.30 (0.957) 23.90 (0.941) DIA. 16.10 (0.634) 4.72 (0.186) 4.52 (0.178) 15.90 (0.626) FEED DIRECTION 13.50 (0.532) 12.80 (0.504) DIA. 26.40 (1.039) 24.40 (0.961) SMD-220 Tape & Reel When ordering, indicate the part 360 (14.173) DIA. MAX. 60 (2.362) number, part orientation, and the quantity. Quantities are in multiples of 800 pieces per reel for both TRL and T RR. DIA . MIN. Dimensions in millimeters and (inches) 6 www.irf.com MBR2045CT, MBRB2045CT, MBR2045CT-1 Bulletin PD-2.320 rev. D 07/03 Outline Table Modified JEDEC outline TO-262 Dimensions in millimeters and (inches) BASE COMMON CATHODE 2 1 2 3 ANODE COMMON ANODE CATHODE 1 2 www.irf.com 7 MBR2045CT, MBRB2045CT, MBR2045CT-1 Bulletin PD-2.320 rev. D 07/03 MBR2045CT ******************************************** * This model has been developed by * * Wizard SPICE MODEL GENERATOR (1999) * * (International Rectifier Corporation) * * Contain Proprietary Information * ******************************************** * SPICE Model Diode is composed by a * * simple diode plus paralled VCG2T * ******************************************** .SUBCKT MBR2045CT ANO CAT D1 ANO 1 DMOD (0.03215) *Define diode model .MODEL DMOD D(IS=3.22473520069593E-04A,N=1.51153417806053,BV=52V, + IBV=0.64831328218128A,RS= 0.00042438,CJO=2.77992867902976E-08, + VJ=2.31227489200041,XTI=2, EG=0.682207095559952) ******************************************** *Implementation of VCG2T VX 1 2 DC 0V R1 2 CAT TRES 1E-6 .MODEL TRES RES(R=1,TC1=-29.9397914371146) GP1 ANO CAT VALUE={-ABS(I(VX))*(EXP((((1.396526E-04/-29.93979)*((V(2,CAT)*1E6)/(I(VX)+1E-6)1))+1)*4.399843E-02*ABS(V(ANO,CAT)))-1)} ******************************************** .ENDS MBR2045CT Thermal Model Subcircuit .SUBCKT MBR2045CT 5 1 CTHERM1 CTHERM2 CTHERM3 CTHERM4 5 4 3 2 4 3 2 1 1.43E+00 1.46E+01 9.30E+01 1.69E+03 RTHERM1 RTHERM2 RTHERM1 RTHERM1 5 4 3 2 4 3 2 1 5.79E-01 7.72E-01 4.45E-01 1.93E-01 .ENDS MBR2045CT 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: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 07/03 8 www.irf.com