MBRB4045CT/MBR4045CT-1 Vishay High Power Products Schottky Rectifier, 2 x 20 A FEATURES MBR4045CT-1 MBRB4045CT * 150 C TJ operation * Low forward voltage drop * High frequency operation * Center tap TO-220, D2PAK and TO-262 packages Base common cathode 2 Base common cathode 2 * High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance * Guard ring for enhanced ruggedness and long term reliability * Designed and qualified for Q101 level 2 1 Common 3 Anode cathode Anode 2 1 Common 3 Anode cathode Anode D2PAK TO-262 PRODUCT SUMMARY IF(AV) 2 x 20 A VR 45 V IRM 95 mA at 125 C DESCRIPTION The 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, freewheeling diodes, and reverse battery protection. MAJOR RATINGS AND CHARACTERISTICS SYMBOL CHARACTERISTICS VALUES UNITS IF(AV) Rectangular waveform (per device) 40 IFRM TC = 118 C (per leg) 40 IFSM tp = 5 s sine 900 A VF 20 Apk, TJ = 125 C 0.58 V TJ Range - 65 to 150 C MBRB4045CT MBR4045CT-1 UNITS 45 V VRRM A 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 UNITS 20 IF(AV) TC = 118 C, rated VR IFRM Rated VR, square wave, 20 kHz, TC = 118 C 5 s sine or 3 s rect. pulse VALUES 40 Following any rated load condition and with rated VRRM applied 40 A 900 Maximum peak one cycle non-repetitive peak surge current per leg IFSM Non-repetitive avalanche energy per leg EAS TJ = 25 C, IAS = 3 A, L = 4.4 mH 20 mJ IAR Current decaying linearly to zero in 1 s Frequency limited by TJ maximum VA = 1.5 x VR typical 3 A Repetitive avalanche current per leg Document Number: 93981 Revision: 21-Aug-08 10 ms sine or 6 ms rect. pulse For technical questions, contact: diodes-tech@vishay.com 210 www.vishay.com 1 MBRB4045CT/MBR4045CT-1 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) VALUES UNITS 0.60 0.78 V 0.58 0.75 1 TJ = 100 C Rated DC voltage 50 mA TJ = 125 C 95 Maximum junction capacitance CT VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 C 900 pF Typical series inductance LS Measured from top of terminal to mounting plane 8.0 nH 10 000 V/s VALUES UNITS Maximum voltage rate of change Note (1) Pulse width < 300 s, duty cycle < 2 % dV/dt Rated VR THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS Maximum junction temperature range TJ - 65 to 150 Maximum storage temperature range TStg - 65 to 175 Maximum thermal resistance, junction to case per leg RthJC DC operation 1.5 Typical thermal resistance, case to heatsink RthCS Mounting surface, smooth and greased (Only for TO-262) 0.50 Maximum thermal resistance, junction to ambient RthJA DC operation (For D2PAK and TO-262) Approximate weight Mounting torque Marking device www.vishay.com 2 minimum maximum Non-lubricated threads C C/W 50 2 g 0.07 oz. 6 (5) kgf * cm (lbf * in) 12 (10) Case style D2PAK MBRB4045CT Case style TO-262 MBR4045CT-1 For technical questions, contact: diodes-tech@vishay.com Document Number: 93981 Revision: 21-Aug-08 MBRB4045CT/MBR4045CT-1 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 1 TJ = 75 C 0.1 TJ = 50 C 0.01 TJ = 25 C 0.001 1 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 5 10 15 20 25 30 35 40 45 VR - Reverse Voltage (V) VFM - Forward Voltage Drop (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg) CT - Junction Capacitance (pF) 900 800 700 600 500 TJ = 25 C 400 300 200 0 10 20 30 50 40 VR - Reverse Voltage (V) ZthJC - Thermal Impedance (C/W) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg) 10 1 PDM t1 0.1 0.01 0.001 0.00001 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 Single pulse (thermal resistance) 0.0001 0.001 0.01 t2 Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 0.1 1 10 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg) Document Number: 93981 Revision: 21-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 3 MBRB4045CT/MBR4045CT-1 160 20 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 18 140 Average Power Loss (W) Allowable Case Temperature (C) Vishay High Power Products Schottky Rectifier, 2 x 20 A DC 120 Square wave (D = 0.50) Rated VR applied 100 16 14 RMS limit 12 10 8 6 4 DC 2 See note (1) 80 0 0 5 10 15 20 25 30 0 5 10 15 20 25 30 35 IF(AV) - Average Forward Current (A) Fig. 6 - Forward Power Loss Characteristics IFSM - Non-Repetitive Surge Current (A) IF(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current 1000 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 (Per Leg) 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: 93981 Revision: 21-Aug-08 MBRB4045CT/MBR4045CT-1 Schottky Rectifier, 2 x 20 A Vishay High Power Products ORDERING INFORMATION TABLE Device code MBR B 40 45 CT -1 TRL - 1 2 3 4 5 6 7 8 1 - 2 - Essential part number B = D2PAK 6 None 3 - None = TO-262 6 = -1 Current rating (40 = 40 A) 4 - Voltage rating (45 = 45 V) 5 - CT = Essential part number 6 7 - None = D2PAK 2 = B -1 = TO-262 2 None None = Tube (50 pieces) TRL = Tape and reel (left oriented - for D2PAK only) TRR = Tape and reel (right oriented - for D2PAK only) 8 - None = Standard production PbF = Lead (Pb)-free (for TO-262 and D2PAK tube) P = Lead (Pb)-free (for D2PAK TRR and TRL) LINKS TO RELATED DOCUMENTS Dimensions http://www.vishay.com/doc?95014 Part marking information http://www.vishay.com/doc?95008 Packaging information http://www.vishay.com/doc?95032 SPICE model http://www.vishay.com/doc?95296 Document Number: 93981 Revision: 21-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. 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