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| 20CTQ...PbF Series Vishay High Power Products Schottky Rectifier, 2 x 10 A FEATURES * 175 C TJ operation Base 2 common cathode * Center tap TO-220 package * Low forward voltage drop * High frequency operation Pb-free Available RoHS* COMPLIANT * High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Anode TO-220AB Anode 2 1 Common 3 cathode * Guard ring for enhanced ruggedness and long term reliability * Lead (Pb)-free ("PbF" suffix) * Designed and qualified for industrial level DESCRIPTION PRODUCT SUMMARY IF(AV) VR 2 x 10 A 35 to 45 V The 20CTQ...PbF center tap Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 175 C junction temperature. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. MAJOR RATINGS AND CHARACTERISTICS SYMBOL IF(AV) VRRM IFSM VF TJ CHARACTERISTICS Rectangular waveform Range tp = 5 s sine 10 Apk, TJ = 125 C (per leg) Range VALUES 20 35 to 45 1060 0.57 - 55 to 175 UNITS A V A V C VOLTAGE RATINGS PARAMETER Maximum DC reverse voltage Maximum working peak reverse voltage SYMBOL VR VRWM 20CTQ035PbF 35 20CTQ040PbF 40 20CTQ045PbF 45 UNITS V ABSOLUTE MAXIMUM RATINGS PARAMETER Maximum average forward current See fig. 5 Maximum peak one cycle non-repetitive surge current per leg See fig. 7 Non-repetitive avalanche energy per leg Repetitive avalanche current per leg SYMBOL IF(AV) TEST CONDITIONS 50 % duty cycle at TC = 145 C, rectangular waveform 5 s sine or 3 s rect. pulse IFSM 10 ms sine or 6 ms rect. pulse EAS IAR Following any rated load condition and with rated VRRM applied VALUES 20 1060 265 13 2.0 mJ A A UNITS TJ = 25 C, IAS = 2.0 A, L = 6.5 mH Current decaying linearly to zero in 1 s Frequency limited by TJ maximum VA = 1.5 x VR typical * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 94162 Revision: 01-Sep-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 1 20CTQ...PbF Series Vishay High Power Products Schottky Rectifier, 2 x 10 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL 10 A Maximum forward voltage drop per leg See fig. 1 VFM (1) 20 A 10 A 20 A Maximum reverse leakage current per leg See fig. 2 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) CT LS dV/dt TJ = 25 C TJ = 125 C TEST CONDITIONS TJ = 25 C VALUES 0.64 0.76 0.57 0.68 2 15 900 8.0 10 000 mA pF nH V/s V UNITS TJ = 125 C VR = Rated VR VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 C Measured lead to lead 5 mm from package body 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 175 3.25 1.63 0.50 2 0.07 6 (5) 12 (10) g oz. kgf * cm (lbf * in) C/W UNITS C RthJC Mounting torque 20CTQ035 Marking device Case style TO-220AB 20CTQ040 20CTQ045 www.vishay.com 2 For technical questions, contact: diodes-tech@vishay.com Document Number: 94162 Revision: 01-Sep-08 20CTQ...PbF Series Schottky Rectifier, 2 x 10 A Vishay High Power Products IF - Instantaneous Forward Current (A) 1000 1000 100 IR - Reverse Current (mA) 100 10 1 0.1 TJ = 175 C TJ = 150 C TJ = 125 C TJ = 100 C 10 1 TJ = 175 C TJ = 125 C TJ = 25 C TJ = 75 C 0.01 0.001 0.0001 TJ = 25 C 0 5 10 15 TJ = 50 C 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 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) 1000 CT - Junction Capacitance (pF) 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 0.1 0.01 Single pulse (thermal resistance) D = 0.50 D = 0.33 D = 0.25 D = 0.17 D = 0.08 PDM t1 t2 Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 0.1 1 10 100 0.001 0.00001 0.0001 0.001 0.01 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg) Document Number: 94162 Revision: 01-Sep-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 3 20CTQ...PbF Series Vishay High Power Products Schottky Rectifier, 2 x 10 A 180 9 Allowable Case Temperature (C) Average Power Loss (W) 175 170 165 160 155 150 145 0 5 20CTQ RthJC (DC) = 3.25 C/W 8 7 6 5 4 3 2 1 0 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 RMS limit DC DC 10 15 0 5 10 15 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) 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) L High-speed switch Freewheel diode 40HFL40S02 + Vd = 25 V D.U.T. IRFP460 Rg = 25 Current monitor Fig. 8 - Unclamped Inductive Test Circuit www.vishay.com 4 For technical questions, contact: diodes-tech@vishay.com Document Number: 94162 Revision: 01-Sep-08 20CTQ...PbF Series Schottky Rectifier, 2 x 10 A Vishay High Power Products ORDERING INFORMATION TABLE Device code 20 1 1 2 3 4 5 6 - C 2 T 3 Q 4 045 PbF 5 6 Current rating (20 = 20 A) Circuit configuration: C = Common cathode - Package: T = TO-220 - Schottky "Q" series Voltage ratings None = Standard production PbF = Lead (Pb)-free - 035 = 35 V 040 = 40 V 045 = 45 V Tube standard pack quantity: 50 pieces LINKS TO RELATED DOCUMENTS Dimensions Part marking information http://www.vishay.com/doc?95222 http://www.vishay.com/doc?95225 Document Number: 94162 Revision: 01-Sep-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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