MBR4045WTPbF Vishay High Power Products Schottky Rectifier, 2 x 20 A FEATURES Base common cathode 2 • • • • • 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 1 3 Anode Anode 2 1 2 Common cathode TO-247AC DESCRIPTION PRODUCT SUMMARY IF(AV) 2 x 20 A VR 45 V IRM 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 CHARACTERISTICS VALUES IF(AV) Rectangular waveform (per device) 40 IFRM TC = 125 °C (per leg) 40 VRRM UNITS A 45 V IFSM tp = 5 µs sine 1020 A VF 20 Apk, TJ = 125 °C 0.56 V TJ Range - 55 to 150 °C MBR4045WTPbF UNITS 45 V VOLTAGE RATINGS PARAMETER SYMBOL Maximum DC reverse voltage VR Maximum working peak reverse voltage VRWM ABSOLUTE MAXIMUM RATINGS PARAMETER Maximum average forward current SYMBOL per leg per device Peak repetitive forward current per leg TEST CONDITIONS IF(AV) TC = 125 °C, 50 % duty cycle, rectangular waveform IFRM Rated VR, square wave, 20 kHz, TC = 125 °C VALUES UNITS 20 40 40 A Maximum peak one cycle non-repetitive surge current per leg See fig. 7 IFSM Non-repetitive avalanche energy per leg EAS TJ = 25 °C, IAS = 3 A, L = 4.40 mH 20 mJ Repetitive avalanche current per leg IAR Current decaying linearly to zero in 1 µs Frequency limited by TJ maximum VA = 1.5 x VR typical 3 A 5 µs sine or 3 µs rect. pulse 10 ms sine or 6 ms rect. pulse Following any rated load condition and with rated VRRM applied 1020 265 * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 94295 Revision: 14-Aug-08 For technical questions, contact: [email protected] www.vishay.com 1 MBR4045WTPbF Vishay High Power Products Schottky Rectifier, 2 x 20 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS 20 A Maximum forward voltage drop VFM (1) TJ = 25 °C 40 A 20 A TJ = 125 °C 40 A TJ = 25 °C Maximum instantaneous reverse current IRM (1) Threshold voltage VF(TO) rt Maximum junction capacitance CT Typical series inductance LS Maximum voltage rate of change dV/dt UNITS 0.59 0.78 0.56 V 0.72 1.75 TJ = 100 °C Rated DC voltage TJ = 125 °C Forward slope resistance VALUES 50 mA 85 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 0.29 V 10.3 mΩ 900 pF 7.5 nH 10 000 V/µs VALUES UNITS Note (1) Pulse width < 300 µs, duty cycle < 2 % THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS Maximum junction temperature range TJ - 55 to 150 Maximum storage temperature range TStg - 55 to 175 Maximum thermal resistance, junction to case per package RthJC DC operation 1.4 Typical thermal resistance, case to heatsink RthCS Mounting surface, smooth and greased 0.7 °C/W 6 Approximate weight Mounting torque Device marking www.vishay.com 2 °C g 0.21 oz. minimum 6 (5) kgf · cm maximum 12 (10) (lbf · in) Case style TO-247AC (JEDEC) For technical questions, contact: [email protected] MBR4045WT Document Number: 94295 Revision: 14-Aug-08 MBR4045WTPbF Schottky Rectifier, 2 x 20 A Vishay High Power Products 1000 IR - Reverse Current (mA) IF - Instantaneous Forward Current (A) 1000 100 TJ = 150 °C TJ = 125 °C TJ = 25 °C 10 TJ = 150 °C 100 TJ = 125 °C 10 TJ = 100 °C TJ = 75 °C 1 0.1 TJ = 50 °C TJ = 25 °C 0.01 0.001 1 0 0.4 0.8 1.2 1.6 0 2.0 10 20 30 40 50 VFM - Forward Voltage Drop (V) VR - Reverse Voltage (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage CT - Junction Capacitance (pF) 1000 TJ = 25 °C 100 0 10 20 30 40 50 VR - Reverse Voltage (V) ZthJC - Thermal Impedance (°C/W) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage 10 1 PDM D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 0.1 Single pulse (thermal resistance) 0.01 0.00001 0.0001 0.001 0.01 0.1 t1 t2 Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 1 10 100 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics Document Number: 94295 Revision: 14-Aug-08 For technical questions, contact: [email protected] www.vishay.com 3 MBR4045WTPbF 160 20 Average Power Loss (W) Allowable Case Temperature (°C) Vishay High Power Products Schottky Rectifier, 2 x 20 A DC 140 120 Square wave (D = 0.50) Rated VR applied 100 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 15 10 RMS limit 5 DC See note (1) 80 0 0 5 10 15 20 25 30 0 5 10 15 20 25 30 IF(AV) - Average Forward Current (A) IF(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics IFSM - Non-Repetitive Surge Current (A) 1000 At any rated load condition and with rated VRRM applied following surge 100 10 100 1000 10 000 tp - Square Wave Pulse Duration (µs) Fig. 7 - Maximum Non-Repetitive Surge Current L D.U.T. IRFP460 Rg = 25 Ω Current monitor High-speed switch Freewheel diode + Vd = 25 V 40HFL40S02 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: [email protected] Document Number: 94295 Revision: 14-Aug-08 MBR4045WTPbF Schottky Rectifier, 2 x 20 A Vishay High Power Products ORDERING INFORMATION TABLE Device code MBR 40 45 WT PbF 1 2 3 4 5 1 - Schottky MBR series 2 - Current rating (40 = 40 A) 3 - Voltage rating (45 = 45 V) 4 - Circuit configuration: 5 - Center tap (dual) TO-247 None = Standard production PbF = Lead (Pb)-free LINKS TO RELATED DOCUMENTS Dimensions http://www.vishay.com/doc?95223 Part marking information http://www.vishay.com/doc?95226 SPICE model http://www.vishay.com/doc?95297 Document Number: 94295 Revision: 14-Aug-08 For technical questions, contact: [email protected] 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