VS-20CTQ...SPbF, VS-20CTQ...-1PbF Series Vishay High Power Products Schottky Rectifier, 2 x 10 A FEATURES VS-20CTQ...SPbF VS-20CTQ...-1PbF 175 C T operation J Center tap TO-220 package Low forward voltage drop High frequency operation High purity, high temperature epoxy Base Base encapsulation for enhanced mechanical common common strength and moisture resistance cathode cathode Guard ring for enhanced ruggedness and long 2 2 term reliability Meets MSL level 1, per J-STD-020, LF maximum peak of 260 C Halogen-free according to IEC 61249-2-21 definition 2 2 1 1 Common 3 3 Common Compliant to RoHS directive 2002/95/EC Anode cathode Anode Anode cathode Anode AEC-Q101 qualified 2 D PAK TO-262 DESCRIPTION The VS-20CTQ... center tap Schottky rectifier series has been optimized for low reverse leakage at high temperature. PRODUCT SUMMARY The proprietary barrier technology allows for reliable I 2 x 10 A F(AV) operation up to 175 C junction temperature. Typical applications are in switching power supplies, converters, V 35 V to 45 V R freewheeling diodes, and reverse battery protection. MAJOR RATINGS AND CHARACTERISTICS SYMBOL CHARACTERISTICS VALUES UNITS I Rectangular waveform 20 A F(AV) V Range 35 to 45 V RRM I t = 5 s sine 1060 A FSM p V 10 Apk, T = 125 C (per leg) 0.57 V F J T Range - 55 to 175 C J VOLTAGE RATINGS VS-20CTQ035SPbF VS-20CTQ040SPbF VS-20CTQ045SPbF PARAMETER SYMBOL UNITS VS-20CTQ035-1PbF VS-20CTQ040-1PbF VS-20CTQ045-1PbF Maximum DC reverse voltage V R 35 40 45 V Maximum working peak reverse voltage V RWM ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average forward current I 50 % duty cycle at T = 145 C, rectangular waveform 20 F(AV) C See fig. 5 Maximum peak one cycle non-repetitive Following any rated load A 5 s sine or 3 s rect. pulse 1060 surge current per leg I condition and with rated FSM 10 ms sine or 6 ms rect. pulse 265 See fig. 7 V applied RRM Non-repetitive avalanche energy per leg E T = 25 C, I = 2.0 A, L = 6.5 mH 13 mJ AS J AS Current decaying linearly to zero in 1 s Repetitive avalanche current per leg I 2.0 A AR Frequency limited by T maximum V = 1.5 x V typical J A R Document Number: 94163 For technical questions, contact: diodestech vishay.com www.vishay.com Revision: 12-Mar-10 1 VS-20CTQ...SPbF, VS-20CTQ...-1PbF Series Schottky Rectifier, Vishay High Power Products 2 x 10 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS 10 A 0.64 T = 25 C J 20 A 0.76 Maximum forward voltage drop per leg (1) V V FM See fig. 1 10 A 0.57 T = 125 C J 20 A 0.68 T = 25 C 2 Maximum reverse leakage current per leg J (1) I V = Rated V mA RM R R See fig. 2 T = 125 C 15 J Maximum junction capacitance per leg C V = 5 V (test signal range 100 kHz to 1 MHz), 25 C 900 pF T R DC Typical series inductance per leg L Measured lead to lead 5 mm from package body 8.0 nH S 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 175 C J Stg temperature range Maximum thermal resistance, DC operation 3.25 junction to case per leg See fig. 4 R thJC Maximum thermal resistance, DC operation 1.63 C/W junction to case per package Typical thermal resistance, R Mounting surface, smooth and greased 0.50 thCS case to heatsink 2g Approximate weight 0.07 oz. minimum 6 (5) kgf cm Mounting torque (lbf in) maximum 12 (10) 2 Case style D PAK 20CTQ045S Marking device Case style TO-262 20CTQ045-1 www.vishay.com For technical questions, contact: diodestech vishay.com Document Number: 94163 2 Revision: 12-Mar-10