MBR4045CT Vishay High Power Products Schottky Rectifier, 2 x 20 A FEATURES • • • • • 150 °C TJ operation Center tap TO-220, D2PAK and TO-262 packages Low forward voltage drop High frequency operation 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 industrial level Base 2 common cathode Anode TO-220AB Anode 2 1 Common 3 cathode DESCRIPTION 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, freewheeling diodes, and reverse battery protection. PRODUCT SUMMARY IF(AV) 2 x 20 A VR 45 V MAJOR RATINGS AND CHARACTERISTICS SYMBOL VALUES UNITS Rectangular waveform (per device) 40 A 45 V IFRM TC = 118 °C (per leg) 40 IFSM tp = 5 µs sine 900 VF 20 Apk, TJ = 125 °C 0.58 V TJ Range - 65 to 150 °C MBR4045CT UNITS 45 V IF(AV) CHARACTERISTICS VRRM A 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 µs sine or 3 µs rect. pulse VALUES 40 Following any rated load condition and with rated VRRM applied 40 A 900 Maximum peak one cycle non-repetitive surge current per leg IFSM Non-repetitive avalanche energy per leg EAS TJ = 25 °C, IAS = 3 A, L = 4.40 mH 20 mJ IAR Current decaying linearly to zero in 1 µs Frequency limited by TJ maximum VA = 1.5 x VR typical 3 A Repetitive avalanche current per leg Document Number: 93451 Revision: 30-Jun-08 10 ms sine or 6 ms rect. pulse For technical questions, contact: [email protected] 210 www.vishay.com 1 MBR4045CT Vishay High Power Products Schottky Rectifier, 2 x 20 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS 20 A VFM (1) Maximum forward voltage drop TJ = 25 °C 40 A 20 A TJ = 125 °C 40 A TJ = 25 °C IRM (1) Maximum instantaneus reverse current VALUES UNITS 0.60 0.78 0.58 V 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/µs VALUES UNITS Maximum voltage rate of change dV/dt Rated VR Note (1) Pulse width < 300 µs, duty cycle < 2 % 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-220) 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 Case style TO-220AB For technical questions, contact: [email protected] °C °C/W 50 2 g 0.07 oz. 6 (5) kgf · cm (lbf · in) 12 (10) MBR4045CT Document Number: 93451 Revision: 30-Jun-08 MBR4045CT 1000 1000 IR - Reverse Current (mA) IF - Instantaneous Forward Current (A) Schottky Rectifier, 2 x 20 A Vishay High Power Products 100 TJ = 150 °C TJ = 125 °C TJ = 25 °C 10 1 TJ = 150 °C 100 TJ = 125 °C 10 TJ = 100 °C 1 TJ = 75 °C TJ = 50 °C 0.1 TJ = 25 °C 0.01 0.001 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 5 10 20 15 25 30 35 40 45 VFM - Forward Voltage Drop (V) VR - Reverse Voltage (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 10 0 30 20 40 50 VR - Reverse Voltage (V) ZthJC - Thermal Impedance (°C/W) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg) 10 1 0.01 0.001 0.00001 Single pulse (thermal resistance) 0.0001 PDM D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 0.1 0.001 0.01 t1 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: 93451 Revision: 30-Jun-08 For technical questions, contact: [email protected] www.vishay.com 3 MBR4045CT Vishay High Power Products Schottky Rectifier, 2 x 20 A 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) 160 DC 120 Square wave (D = 0.50) Rated VR applied 100 16 14 12 RMS limit 10 DC 8 6 4 2 See note (1) 80 0 0 5 10 15 20 30 25 5 0 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 (µs) Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg) Note (1) Formula used: T = T - (Pd + Pd C J REV) 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: [email protected] Document Number: 93451 Revision: 30-Jun-08 MBR4045CT Schottky Rectifier, 2 x 20 A Vishay High Power Products ORDERING INFORMATION TABLE Device code MBR 40 45 CT - 1 2 3 4 5 1 - Schottky MBR series 2 - Current rating (40 = 40 A) 3 - Voltage rating (45 = 45 V) 4 - CT = Essential part number 5 - None = Standard production PbF = Lead (Pb)-free LINKS TO RELATED DOCUMENTS Dimensions http://www.vishay.com/doc?95222 Part marking information http://www.vishay.com/doc?95225 SPICE model http://www.vishay.com/doc?95296 Document Number: 93451 Revision: 30-Jun-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