VS-40L4.CWPbF Series, VS-40L4.CW-N3 Series www.vishay.com Vishay Semiconductors Schottky Rectifier, 2 x 20 A FEATURES Base common 150 C T operation J cathode 2 High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long 13 term reliability Anode Anode TO-247AC 2 1 2 Compliant to RoHS Directive 2002/95/EC Common cathode Designed and qualified according to JEDEC-JESD47 Halogen-free according to IEC 61249-2-21 definition PRODUCT SUMMARY (-N3 only) Package TO-247AC I 2 x 20 A DESCRIPTION F(AV) V 40 V, 45 V R The VS-40L...CW... center tap Schottky rectifier has been V at I 0.49 V optimized for very low forward voltage drop with moderate F F leakage. The proprietary barrier technology allows for I max. 80 mA at 100 C RM reliable operation up to 150 C junction temperature. Typical T max. 150 C J applications are in parallel switching power supplies. Diode variation Common cathode E 20 mJ AS MAJOR RATINGS AND CHARACTERISTICS SYMBOL CHARACTERISTICS VALUES UNITS I Rectangular waveform 40 A F(AV) V 40/45 V RRM I t = 5 s sine 1240 A FSM p V 20 Apk, T = 125 C (per leg, typical) 0.42 V F J T - 55 to 150 C J VOLTAGE RATINGS PARAMETER SYMBOL VS-40L40CWPbF VS-40L40CW-N3 VS-40L45CWPbF VS-40L45CW-N3 UNITS Maximum DC reverse voltage V R 40 40 45 45 V Maximum working peak reverse V RWM voltage ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average per leg 20 forward current I 50 % duty cycle at T = 122 C, rectangular waveform F(AV) C per device 40 See fig. 5 A Maximum peak one cycle non-repetitive 5 s sine or 3 s rect. pulse Following any rated load 1240 surge current per leg I condition and with rated FSM V applied 10 ms sine or 6 ms rect. pulse 350 See fig. 7 RRM Non-repetitive avalanche energy per leg E T = 25 C, I = 3 A, L = 4.4 mH 20 mJ AS J AS Current decaying linearly to zero in 1 s Repetitive avalanche current per leg I 3A AR Frequency limited by T maximum V = 1.5 x V typical J A R Revision: 11-Oct-11 Document Number: 94219 1 For technical questions within your region: DiodesAmericas vishay.com, DiodesAsia vishay.com, DiodesEurope vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 VS-40L4.CWPbF Series, VS-40L4.CW-N3 Series www.vishay.com Vishay Semiconductors ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS TYP. MAX. UNITS 20 A 0.48 0.53 T = 25 C J Maximum forward voltage drop per leg 40 A 0.61 0.69 (1) See fig. 1 V V FM 20 A 0.42 0.49 T = 125 C J 40 A 0.60 0.70 T = 25 C -1.5 Reverse leakage current per leg J (1) I V = Rated V mA RM R R See fig. 2 T = 100 C 20 80 J Threshold voltage V 0.27 V F(TO) T =T maximum J J Forward slope resistance r 8.72 m t Maximum junction capacitance per leg C V = 5 V (test signal range 100 kHz to 1 MHz) 25 C - 1500 pF T R DC Maximum voltage rate of change dV/dt Rated V 10 000 V/s R Note (1) Pulse width < 300 s, duty cycle < 2 % THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUESUNITS Maximum junction and storage T , T - 55 to 150 C J Stg temperature range Maximum thermal resistance, DC operation 1.6 junction to case per leg See fig. 4 R thJC Maximum thermal resistance, DC operation 0.8 C/W junction to case per package Typical thermal resistance, R Mounting surface, smooth and greased 0.24 thCS case to heatsink 6g Approximate weight 0.21 oz. minimum 6 (5) kgf cm Mounting torque Non-lubricated threads (lbf in) maximum 12 (10) 40L40CW Marking device Case style TO-247AC (JEDEC) 40L45CW Revision: 11-Oct-11 Document Number: 94219 2 For technical questions within your region: DiodesAmericas vishay.com, DiodesAsia vishay.com, DiodesEurope vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000