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| MBRB4045CT/MBR4045CT-1 Vishay High Power Products Schottky Rectifier, 2 x 20 A MBRB4045CT MBR4045CT-1 FEATURES * 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 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. D2PAK TO-262 PRODUCT SUMMARY IF(AV) VR IRM 2 x 20 A 45 V 95 mA at 125 C 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 = 118 C (per leg) VALUES 40 40 45 900 0.58 - 65 to 150 UNITS A V A V C VOLTAGE RATINGS PARAMETER Maximum DC reverse voltage Maximum working peak reverse voltage SYMBOL VR VRWM MBRB4045CT MBR4045CT-1 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 TJ = 25 C, IAS = 3 A, L = 4.4 mH Current decaying linearly to zero in 1 s Frequency limited by TJ maximum VA = 1.5 x VR typical TEST CONDITIONS TC = 118 C, rated VR Rated VR, square wave, 20 kHz, TC = 118 C 5 s sine or 3 s rect. pulse Following any rated load condition and with rated VRRM applied VALUES 20 40 40 900 210 20 3 mJ A A UNITS Peak repetitive forward current per leg Maximum peak one cycle non-repetitive peak surge current per leg Non-repetitive avalanche energy per leg Repetitive avalanche current per leg Document Number: 93981 Revision: 21-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 1 MBRB4045CT/MBR4045CT-1 Vishay High Power Products Schottky Rectifier, 2 x 20 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL 20 A Maximum forward voltage drop VFM (1) 40 A 20 A 40 A TJ = 25 C Maximum instantaneous reverse current Maximum junction capacitance Typical series inductance Maximum voltage rate of change Note (1) Pulse width < 300 s, duty cycle < 2 % IRM (1) TJ = 100 C TJ = 125 C CT LS dV/dt VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 C Measured from top of terminal to mounting plane Rated VR Rated DC voltage TEST CONDITIONS TJ = 25 C VALUES 0.60 0.78 0.58 0.75 1 50 95 900 8.0 10 000 pF nH V/s mA V UNITS TJ = 125 C THERMAL - MECHANICAL SPECIFICATIONS PARAMETER Maximum junction temperature range Maximum storage temperature range Maximum thermal resistance, junction to case per leg Typical thermal resistance, case to heatsink Maximum thermal resistance, junction to ambient Approximate weight minimum maximum SYMBOL TJ TStg RthJC RthCS RthJA DC operation Mounting surface, smooth and greased (Only for TO-262) DC operation (For D2PAK and TO-262) TEST CONDITIONS VALUES - 65 to 150 - 65 to 175 1.5 0.50 50 2 0.07 Non-lubricated threads Case style D2PAK Case style TO-262 6 (5) 12 (10) g oz. kgf * cm (lbf * in) C/W UNITS C Mounting torque Marking device MBRB4045CT MBR4045CT-1 www.vishay.com 2 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 1000 IR - Reverse Current (mA) 100 10 1 0.1 0.01 0.001 TJ = 150 C TJ = 125 C TJ = 100 C TJ = 75 C TJ = 50 C TJ = 25 C IF - Instantaneous Forward Current (A) 100 10 TJ = 150 C TJ = 125 C TJ = 25 C 1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 5 10 15 20 25 30 35 40 45 VFM - Forward Voltage Drop (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg) VR - Reverse Voltage (V) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg) 900 CT - Junction Capacitance (pF) 800 700 600 500 400 300 200 TJ = 25 C 0 10 20 30 40 50 VR - Reverse Voltage (V) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg) ZthJC - Thermal Impedance (C/W) 10 1 PDM 0.1 Single pulse (thermal resistance) D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 t1 t2 0.01 Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 0.001 0.00001 0.0001 0.001 0.01 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 Vishay High Power Products Schottky Rectifier, 2 x 20 A 160 20 18 Allowable Case Temperature (C) Average Power Loss (W) 140 16 14 12 10 8 6 4 2 0 DC D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 RMS limit 120 Square wave (D = 0.50) Rated VR applied 100 See note (1) DC 80 0 5 10 15 20 25 30 0 5 10 15 20 25 30 35 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 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 (s) Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg) (1) 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 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 1 B 2 40 3 45 4 CT 5 -1 6 TRL 7 8 1 2 3 4 5 6 7 - Essential part number B = D2PAK 6 None None = TO-262 6 = -1 Current rating (40 = 40 A) Voltage rating (45 = 45 V) CT = Essential part number None = D2PAK -1 = TO-262 2 =B 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 Part marking information Packaging information SPICE model http://www.vishay.com/doc?95014 http://www.vishay.com/doc?95008 http://www.vishay.com/doc?95032 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. 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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