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| STPS40L45CW Vishay High Power Products Schottky Rectifier, 2 x 20 A FEATURES Base common cathode 2 * 150 C TJ operation * Center tap TO-247 package * Very low forward voltage drop * High frequency operation * High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance TO-247AC 1 3 Anode Anode 2 1 2 Common cathode * Guard ring for enhanced ruggedness and long term reliability * Designed and qualified for industrial level DESCRIPTION PRODUCT SUMMARY IF(AV) VR IRM 2 x 20 A 45 V 80 mA at 100 C The STPS40L45CW 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. MAJOR RATINGS AND CHARACTERISTICS SYMBOL IF(AV) VRRM IFSM VF TJ tp = 5 s sine 20 Apk, TJ = 125 C (per leg, typical) CHARACTERISTICS Rectangular waveform VALUES 40 45 1240 0.42 - 55 to 150 UNITS A V A V C VOLTAGE RATINGS PARAMETER Maximum DC reverse voltage Maximum working peak reverse voltage SYMBOL VR VRWM STPS40L45CW 45 UNITS V ABSOLUTE MAXIMUM RATINGS PARAMETER Maximum average forward current See fig. 5 per device IF(AV) per leg 5 s sine or 3 s rect. pulse 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 Following any rated load condition and with rated VRRM applied 50 % duty cycle at TC = 122 C, rectangular waveform 20 A Maximum peak one cycle non-repetitive surge current per leg See fig. 7 Non-repetitive avalanche energy per leg Repetitive avalanche current per leg 1240 350 20 3 mJ A SYMBOL TEST CONDITIONS VALUES 40 UNITS Document Number: 93482 Revision: 21-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 1 STPS40L45CW Vishay High Power Products Schottky Rectifier, 2 x 20 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL 20 A Maximum forward voltage drop per leg See fig. 1 VFM (1) 40 A 20 A 40 A Reverse leakage current per leg See fig. 2 Threshold voltage Forward slope resistance Maximum junction capacitance per leg Typical series inductance per leg Maximum voltage rate of change Note (1) Pulse width < 300 s, duty cycle < 2 % IRM (1) VF(TO) rt CT LS dV/dt TJ = 25 C TJ = 100 C TJ = TJ maximum VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 C Measured lead to lead 5 mm from package body Rated VR 7.5 10 000 TEST CONDITIONS TJ = 25 C TYP. 0.48 0.61 0.42 0.60 20 0.27 8.72 1500 MAX. 0.53 0.69 0.49 0.70 1.5 80 mA V m pF nH V/s V UNITS TJ = 125 C VR = Rated VR THERMAL - MECHANICAL SPECIFICATIONS PARAMETER Maximum junction and storage temperature range Maximum thermal resistance, junction to case per leg Maximum thermal resistance, junction to case per package Typical thermal resistance, case to heatsink Approximate weight minimum maximum SYMBOL TJ, TStg DC operation See fig. 4 DC operation RthCS Mounting surface, smooth and greased TEST CONDITIONS VALUES - 55 to 150 1.6 0.8 0.24 6 0.21 Non-lubricated threads Case style TO-247AC (TO-3P) (JEDEC) 6 (5) 12 (10) g oz. kgf * cm (lbf * in) C/W UNITS C RthJC Mounting torque Marking device STPS40L45CW www.vishay.com 2 For technical questions, contact: diodes-tech@vishay.com Document Number: 93482 Revision: 21-Aug-08 STPS40L45CW Schottky Rectifier, 2 x 20 A Vishay High Power Products IF - Instantaneous Forward Current (A) 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 100 10 TJ = 150 C TJ = 125 C TJ = 25 C TJ = 50 C TJ = 25 C 1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 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) 10 000 CT - Junction Capacitance (pF) 1000 TJ = 25 C 100 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 Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 0.1 1 10 100 0.01 0.00001 0.0001 0.001 0.01 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg) Document Number: 93482 Revision: 21-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 3 STPS40L45CW Vishay High Power Products Schottky Rectifier, 2 x 20 A 150 18 16 Allowable Case Temperature (C) 140 Average Power Loss (W) 14 12 10 8 6 4 2 0 DC 130 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS limit 120 Square wave (D = 0.50) 80 % rated VR applied DC 110 See note (1) 100 0 5 10 15 20 25 30 0 5 10 15 20 25 30 IF(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current (Per Leg) IF(AV) - Average Forward Current (A) Fig. 6 - Forward Power Loss Characteristics (Per Leg) IFSM - Non-Repetitive Surge Current (A) 10 000 At any rated load condition and with rated VRRM applied following surge 1000 100 10 100 1000 10 000 tp - Square Wave Pulse Duration (s) Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg) 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 (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 = 80 % rated VR www.vishay.com 4 For technical questions, contact: diodes-tech@vishay.com Document Number: 93482 Revision: 21-Aug-08 STPS40L45CW Schottky Rectifier, 2 x 20 A Vishay High Power Products ORDERING INFORMATION TABLE Device code STPS 1 1 2 3 4 5 - 40 2 L 3 45 4 CW 5 6 Schottky STPS series Current ratings (40 = 40 A) L = Low forward voltage Voltage code (45 = 45 V) Package: CW = TO-247 6 - None = Standard production PbF = Lead (Pb)-free Tube standard pack quantity: 25 pieces LINKS TO RELATED DOCUMENTS Dimensions Part marking information http://www.vishay.com/doc?95223 http://www.vishay.com/doc?95226 Document Number: 93482 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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