20CTQS VISHAY | Alldatasheet
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Technical content
Document Number: 93952 For technical ques tions, contact: diodes-tech@vishay.com www.vishay.com Revision: 22-Aug-08 1 Schottky Rectifier, 2 x 10 A Vishay High Power Products
FEATURES
- 175 °C TJ operation Center tap TO-220 package 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 Q101 level
DESCRIPTION
The 20CTQ.. center tap Scho ttky rectifier series has been optimized for low reverse leak age 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. PRODUCT SUMMARY IF(AV) 2 x 10 A VR 35 to 45 V 20CTQ...S Base common cathode D2PAK TO-262 20CTQ...-1 Anode Anode Common cathode 1 3 Base common cathode Anode Anode Common cathode 1 3 MAJOR RATINGS AND CHARACTERISTICS SYMBOL CHARACTERISTICS VALUES UNITS IF(AV) Rectangular waveform 20 A VRRM Range 35 to 45 V IFSM tp = 5 µs sine 1060 A VF 10 Apk, TJ = 125 °C (per leg) 0.57 V TJ Range - 55 to 175 °C VOLTAGE RATINGS PARAMETER SYMBOL 20CTQ035S 20CTQ035-1 20CTQ040S 20CTQ040-1 20CTQ045S 20CTQ045-1 UNITS 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 See fig. 5 IF(AV) 50 % duty cycle at TC = 145 °C, rectangular waveform 20 AMaximum peak one cycle non-repetitive surge current per leg See fig. 7 IFSM 5 µs sine or 3 µs rect. pulse Following any rated load condition and with rated VRRM applied 1060 10 ms sine or 6 ms rect. pulse 265 Non-repetitive avalanche energy per leg E AS TJ = 25 °C, IAS = 2.0 A, L = 6.5 mH 13 mJ Repetitive avalanche current per leg I AR Current decaying linearly to zero in 1 µs Frequency limited by TJ maximum VA = 1.5 x VR typical 2.0 A
www.vishay.com For technical questi ons, contact: diodes-tech@vishay.com Document Number: 93952
2 Revision: 22-Aug-08
Vishay High Power Products Schottky Rectifier, 2 x 10 A Note (1) Pulse width < 300 µs, duty cycle < 2 % ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum forward voltage drop per leg See fig. 1 VFM (1) 10 A TJ = 25 °C 0.64 V 20 A 0.76 10 A TJ = 125 °C 0.57 20 A 0.68 Maximum reverse leakage current per leg See fig. 2 IRM (1) TJ = 25 °C VR = Rated VR mA TJ = 125 °C 15 Maximum junction capacitance per leg C T VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C 900 pF Typical series inductance per leg L S Measured lead to lead 5 mm from package body 8.0 nH Maximum voltage rate of change dV/dt Rated V R 10 000 V/µs THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum junction and storage temperature range TJ, TStg - 55 to 175 °C Maximum thermal resistance, junction to case per leg RthJC DC operation See fig. 4 3.25 °C/WMaximum thermal resistance, junction to case per package DC operation 1.63 Typical thermal resistance, case to heatsink RthCS Mounting surface, smooth and greased 0.50 Approximate weight 0.07 oz. Mounting torque minimum 6 (5) kgf ⋅ cm (lbf ⋅ in)maximum 12 (10) Marking device Case style D2PAK 20CTQ035S 20CTQ040S 20CTQ045S Case style TO-262 20CTQ035-1 20CTQ040-1 20CTQ045-1
Document Number: 93952 For technical ques tions, contact: diodes-tech@vishay.com www.vishay.com Revision: 22-Aug-08 3 Schottky Rectifier, 2 x 10 A Vishay High Power Products Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg) 0.1 IF - Instantaneous Forward Current (A) VFM - Forward Voltage Drop (V) 0 0.4 1.2 1.8 0.8 TJ = 175 °C TJ = 125 °C TJ = 25 °C 100 1000 IR - Reverse Current (mA) VR - Reverse Voltage (V) 01 0 2 0 3 0 4 5 0.001 0.01 0.1 4035 100 51 5 2 5 0.0001 TJ = 175 °C TJ = 150 °C TJ = 125 °C TJ = 100 °C TJ = 75 °C TJ = 50 °C TJ = 25 °C 1000 CT - Junction Capacitance (pF) VR - Reverse Voltage (V) 0 2 03 04 05 0 100 1000 TJ = 25 °C ZthJC - Thermal Impedance (°C/W) 0.001 0.1 t1 - Rectangular Pulse Duration (s) Single pulse (thermal resistance) D = 0.50 D = 0.33 D = 0.25 D = 0.17 D = 0.08 0.01 Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC PDM
www.vishay.com For technical questi ons, contact: diodes-tech@vishay.com Document Number: 93952
4 Revision: 22-Aug-08
Vishay High Power Products Schottky Rectifier, 2 x 10 A Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current (Per Leg) Fig. 6 - Forward Power Loss Characteristics (Per Leg) Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg) Fig. 8 - Unclamped Inductive Test Circuit Allowable Case Temperature (°C) IF(AV) - Average Forward Current (A) 01 5 145 150 160 175 180 165 170 155 DC 20CTQ RthJC (DC) = 3.25 °C/W Average Power Loss (W) IF(AV) - Average Forward Current (A) 0 10 155 DC D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 RMS limit IFSM - Non-Repetitive Surge Current (A) tp - Square Wave Pulse Duration (µs) 1000 10 100 1000 10 000 100 At any rated load condition and with rated V applied following surge RRM Current monitor High-speed switchD.U.T. Rg = 25 Ω + Freewheel diode Vd = 25 V L IRFP460 40HFL40S02
Document Number: 93952 For technical ques tions, contact: diodes-tech@vishay.com www.vishay.com Revision: 22-Aug-08 5 Schottky Rectifier, 2 x 10 A Vishay High Power Products ORDERING INFORMATION TABLE - Current rating (20 A) - Circuit configuration: C = Common cathode - T = TO-220 - Schottky “Q” series - Voltage ratings S = D2PAK -1 = TO-262 None = Tube (50 pieces) TRL = Tape and reel (left oriented - for D2PAK only) TRR = Tape and reel (right oriented - for D2PAK only) None = Standard production PbF = Lead (Pb)-free 035 = 35 V 040 = 40 V 045 = 45 V Device code 513 24 678
20 C T Q 045 S TRL -
LINKS TO RELATED DOCUMENTS Dimensions http://www.vishay.com/doc?95014 Part marking information http://www.vishay.com/doc?95008 Packaging information http://www.vishay.com/doc?95032
Document Number: 91000 www.vishay.com Revision: 18-Jul-08 1 Disclaimer Legal Disclaimer Notice Vishay 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 li ability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permit ted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purcha se, 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 medi cal, 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.