20CTQ...S/20CTQ...-1 Vishay High Power Products Schottky Rectifier, 2 x 10 A FEATURES 20CTQ...-1 20CTQ...S • 175 °C TJ operation • Center tap TO-220 package • Low forward voltage drop • High frequency operation Base common cathode 2 Base common cathode 2 • 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 2 1 Common 3 Anode cathode Anode 2 1 Common 3 Anode cathode Anode D2PAK TO-262 DESCRIPTION The 20CTQ.. 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. PRODUCT SUMMARY IF(AV) 2 x 10 A VR 35 to 45 V MAJOR RATINGS AND CHARACTERISTICS SYMBOL CHARACTERISTICS IF(AV) Rectangular waveform VRRM Range IFSM VF TJ Range VALUES UNITS 20 A 35 to 45 V tp = 5 µs sine 1060 A 10 Apk, TJ = 125 °C (per leg) 0.57 V - 55 to 175 °C VOLTAGE RATINGS PARAMETER SYMBOL Maximum DC reverse voltage Maximum working peak reverse voltage VR VRWM 20CTQ035S 20CTQ035-1 20CTQ040S 20CTQ040-1 20CTQ045S 20CTQ045-1 UNITS 35 40 45 V ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average forward current See fig. 5 IF(AV) Maximum peak one cycle non-repetitive surge current per leg See fig. 7 IFSM Non-repetitive avalanche energy per leg EAS TJ = 25 °C, IAS = 2.0 A, L = 6.5 mH 13 mJ IAR Current decaying linearly to zero in 1 µs Frequency limited by TJ maximum VA = 1.5 x VR typical 2.0 A Repetitive avalanche current per leg Document Number: 93952 Revision: 22-Aug-08 50 % duty cycle at TC = 145 °C, rectangular waveform 5 µs sine or 3 µs rect. pulse 10 ms sine or 6 ms rect. pulse Following any rated load condition and with rated VRRM applied For technical questions, contact: [email protected] 20 1060 A 265 www.vishay.com 1 20CTQ...S/20CTQ...-1 Schottky Rectifier, 2 x 10 A Vishay High Power Products ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS 10 A Maximum forward voltage drop per leg See fig. 1 VFM (1) 10 A IRM (1) 0.76 TJ = 25 °C V 0.57 TJ = 125 °C 0.68 2 VR = Rated VR TJ = 125 °C UNITS 0.64 TJ = 25 °C 20 A 20 A Maximum reverse leakage current per leg See fig. 2 VALUES mA 15 Maximum junction capacitance per leg CT VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C 900 pF Typical series inductance per leg LS Measured lead to lead 5 mm from package body 8.0 nH Maximum voltage rate of change dV/dt 10 000 V/µs Rated VR Note (1) Pulse width < 300 µs, duty cycle < 2 % THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL Maximum junction and storage temperature range TEST CONDITIONS TJ, TStg Maximum thermal resistance, junction to case per leg RthJC Maximum thermal resistance, junction to case per package Typical thermal resistance, case to heatsink RthCS UNITS - 55 to 175 °C DC operation See fig. 4 3.25 DC operation 1.63 Mounting surface, smooth and greased 0.50 °C/W 2 g 0.07 oz. minimum 6 (5) kgf ⋅ cm maximum 12 (10) (lbf ⋅ in) Approximate weight Mounting torque VALUES 20CTQ035S Case style D2PAK 20CTQ040S 20CTQ045S Marking device 20CTQ035-1 Case style TO-262 20CTQ040-1 20CTQ045-1 www.vishay.com 2 For technical questions, contact: [email protected] Document Number: 93952 Revision: 22-Aug-08 20CTQ...S/20CTQ...-1 Schottky Rectifier, 2 x 10 A Vishay High Power Products 1000 100 10 TJ = 175 °C TJ = 125 °C TJ = 25 °C 1 100 IR - Reverse Current (mA) IF - Instantaneous Forward Current (A) 1000 TJ = 175 °C TJ = 150 °C 10 TJ = 125 °C 1 TJ = 100 °C 0.1 TJ = 75 °C 0.01 TJ = 50 °C 0.001 TJ = 25 °C 0.0001 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 5 10 VFM - Forward Voltage Drop (V) 15 20 25 30 35 40 45 VR - Reverse Voltage (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg) CT - Junction Capacitance (pF) 1000 TJ = 25 °C 100 0 10 20 30 40 50 VR - Reverse Voltage (V) ZthJC - Thermal Impedance (°C/W) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg) 10 1 0.1 0.01 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 Single pulse (thermal resistance) 0.001 0.00001 0.0001 0.001 0.01 0.1 1 10 100 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg) Document Number: 93952 Revision: 22-Aug-08 For technical questions, contact: [email protected] www.vishay.com 3 20CTQ...S/20CTQ...-1 Vishay High Power Products Schottky Rectifier, 2 x 10 A 9 20CTQ RthJC (DC) = 3.25 °C/W 175 170 165 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 8 Average Power Loss (W) Allowable Case Temperature (°C) 180 DC 160 155 150 7 6 RMS limit 5 4 3 DC 2 1 0 145 0 5 10 0 15 5 10 15 IF(AV) - Average Forward Current (A) Fig. 6 - Forward Power Loss Characteristics (Per Leg) IFSM - Non-Repetitive Surge Current (A) IF(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current (Per Leg) 1000 At any rated load condition and with rated VRRM applied following surge 100 100 10 1000 10 000 tp - Square Wave Pulse Duration (µs) Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg) L D.U.T. IRFP460 Rg = 25 Ω Current monitor High-speed switch Freewheel diode + Vd = 25 V 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit www.vishay.com 4 For technical questions, contact: [email protected] Document Number: 93952 Revision: 22-Aug-08 20CTQ...S/20CTQ...-1 Schottky Rectifier, 2 x 10 A Vishay High Power Products ORDERING INFORMATION TABLE Device code 20 C T Q 045 S TRL - 1 2 3 4 5 6 7 8 1 - Current rating (20 A) 2 - Circuit configuration: C = Common cathode 3 - T = TO-220 4 - Schottky “Q” series 5 - Voltage ratings 6 - S = D2PAK 035 = 35 V 040 = 40 V 045 = 45 V -1 = TO-262 7 - None = Tube (50 pieces) TRL = Tape and reel (left oriented - for D2PAK only) TRR = Tape and reel (right oriented - for D2PAK only) 8 - None = Standard production PbF = Lead (Pb)-free 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: 93952 Revision: 22-Aug-08 For technical questions, contact: [email protected] 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