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| MBR4045WTPBF Vishay High Power Products Schottky Rectifier, 2 x 20 A Base common cathode 2 FEATURES * * * * * 150 C TJ operation Center tap TO-247 package Pb-free Available Very low forward voltage drop RoHS* High frequency operation COMPLIANT High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance * Guard ring for enhanced ruggedness and long term reliability * Lead (Pb)-free ("PbF" suffix) * Designed and qualified for industrial level TO-247AC 1 3 Anode Anode 2 1 2 Common cathode DESCRIPTION PRODUCT SUMMARY IF(AV) VR IRM 2 x 20 A 45 V 85 mA at 125 C The MBR4045WTPBF 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 150 C junction temperature. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. MAJOR RATINGS AND CHARACTERISTICS SYMBOL IF(AV) IFRM VRRM IFSM VF TJ tp = 5 s sine 20 Apk, TJ = 125 C Range CHARACTERISTICS Rectangular waveform (per device) TC = 125 C (per leg) VALUES 40 40 45 1020 0.56 - 55 to 150 UNITS A V A V C VOLTAGE RATINGS PARAMETER Maximum DC reverse voltage Maximum working peak reverse voltage SYMBOL VR VRWM MBR4045WTPBF 45 UNITS V ABSOLUTE MAXIMUM RATINGS PARAMETER Maximum average forward current per leg per device SYMBOL IF(AV) IFRM IFSM 10 ms sine or 6 ms rect. pulse EAS IAR TEST CONDITIONS TC = 125 C, 50 % duty cycle, rectangular waveform Rated VR, square wave, 20 kHz, TC = 125 C 5 s sine or 3 s rect. pulse Following any rated load condition and with rated VRRM applied VALUES 20 40 40 1020 265 20 3 mJ A A UNITS Peak repetitive forward current per leg Maximum peak one cycle non-repetitive surge current per leg See fig. 7 Non-repetitive avalanche energy per leg Repetitive avalanche current per leg TJ = 25 C, IAS = 3 A, L = 4.40 mH Current decaying linearly to zero in 1 s Frequency limited by TJ maximum VA = 1.5 x VR typical * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 94295 Revision: 14-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 1 MBR4045WTPBF Vishay High Power Products Schottky Rectifier, 2 x 20 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL 20 A Maximum forward voltage drop VFM (1) TEST CONDITIONS TJ = 25 C VALUES 0.59 0.78 0.56 0.72 1.75 UNITS 40 A 20 A 40 A TJ = 25 C V TJ = 125 C Maximum instantaneous reverse current IRM (1) TJ = 100 C TJ = 125 C Rated DC voltage 50 85 0.29 10.3 900 7.5 10 000 mA Threshold voltage Forward slope resistance Maximum junction capacitance Typical series inductance Maximum voltage rate of change Note (1) Pulse width < 300 s, duty cycle < 2 % VF(TO) rt CT LS dV/dt TJ = TJ maximum VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 C Measured from top of terminal to mounting plane Rated VR V m pF nH V/s THERMAL - MECHANICAL SPECIFICATIONS PARAMETER Maximum junction temperature range Maximum storage temperature range Maximum thermal resistance, junction to case per package Typical thermal resistance, case to heatsink Approximate weight minimum maximum Case style TO-247AC (JEDEC) SYMBOL TJ TStg RthJC RthCS DC operation Mounting surface, smooth and greased TEST CONDITIONS VALUES - 55 to 150 - 55 to 175 1.4 C/W 0.7 6 0.21 6 (5) 12 (10) g oz. kgf * cm (lbf * in) UNITS C Mounting torque Device marking MBR4045WT www.vishay.com 2 For technical questions, contact: diodes-tech@vishay.com Document Number: 94295 Revision: 14-Aug-08 MBR4045WTPBF Schottky Rectifier, 2 x 20 A Vishay High Power Products 1000 1000 IR - Reverse Current (mA) 100 10 TJ = 150 C TJ = 125 C TJ = 100 C IF - Instantaneous Forward Current (A) 100 1 0.1 0.01 0.001 TJ = 75 C 10 TJ = 150 C TJ = 125 C TJ = 25 C TJ = 50 C TJ = 25 C 1 0 0.4 0.8 1.2 1.6 2.0 0 10 20 30 40 50 VFM - Forward Voltage Drop (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics VR - Reverse Voltage (V) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage 1000 CT - Junction Capacitance (pF) TJ = 25 C 100 0 10 20 30 40 50 VR - Reverse Voltage (V) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage ZthJC - Thermal Impedance (C/W) 10 1 PDM t1 t2 0.1 Single pulse (thermal resistance) 0.01 0.00001 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 1 10 100 0.0001 0.001 0.01 0.1 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics Document Number: 94295 Revision: 14-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 3 MBR4045WTPBF Vishay High Power Products Schottky Rectifier, 2 x 20 A 160 20 Allowable Case Temperature (C) 140 DC Average Power Loss (W) 15 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS limit 120 Square wave (D = 0.50) Rated VR applied 10 100 5 DC See note (1) 80 0 5 10 15 20 25 30 0 0 5 10 15 20 25 30 IF(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current IF(AV) - Average Forward Current (A) Fig. 6 - Forward Power Loss Characteristics 1000 IFSM - Non-Repetitive Surge Current (A) At any rated load condition and with rated VRRM applied following surge 100 10 100 1000 10 000 tp - Square Wave Pulse Duration (s) Fig. 7 - Maximum Non-Repetitive Surge Current L High-speed switch Freewheel diode 40HFL40S02 + Vd = 25 V D.U.T. IRFP460 Rg = 25 Current monitor Fig. 8 - Unclamped Inductive Test Circuit Note Formula used: TC = TJ - (Pd + PdREV) x RthJC; Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6); PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = Rated VR (1) www.vishay.com 4 For technical questions, contact: diodes-tech@vishay.com Document Number: 94295 Revision: 14-Aug-08 MBR4045WTPBF Schottky Rectifier, 2 x 20 A Vishay High Power Products ORDERING INFORMATION TABLE Device code MBR 1 40 2 45 3 WT 4 PbF 5 1 2 3 4 5 - Schottky MBR series Current rating (40 = 40 A) Voltage rating (45 = 45 V) Circuit configuration: Center tap (dual) TO-247 None = Standard production PbF = Lead (Pb)-free LINKS TO RELATED DOCUMENTS Dimensions Part marking information SPICE model http://www.vishay.com/doc?95223 http://www.vishay.com/doc?95226 http://www.vishay.com/doc?95297 Document Number: 94295 Revision: 14-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 5 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1 |
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