47CTQ020PBF

47CTQ020PbF Vishay High Power Products Schottky Rectifier, 2 x 20 A FEATURES • • • • • • 150 °C TJ operation Available Center tap configuration RoHS* Optimized for 3.3 V application COMPLIANT Ultralow forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability • High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance • Lead (Pb)-free (“PbF” suffix) • Designed and qualified for industrial level Base 2 common cathode Anode TO-220AB Anode 2 1 Common 3 cathode DESCRIPTION PRODUCT SUMMARY IF(AV) VR IRM 2 x 20 A 20 V 310 mA at 125 °C This center tap Schottky rectifier has been optimized for ultralow forward voltage drop specifically for 3.3 V output power supplies. The proprietary barrier technology allows for reliable operation up to 150 °C junction temperature. Typical applications are in switching power supplies, converters, reverse battery protection, and redundant power subsystems. MAJOR RATINGS AND CHARACTERISTICS SYMBOL IF(AV) VRRM IFSM VF TJ tp = 5 µs sine 20 Apk, TJ = 125 °C CHARACTERISTICS Rectangular waveform VALUES 40 20 1000 0.34 - 55 to 150 UNITS A V A V °C VOLTAGE RATINGS PARAMETER Maximum DC reverse voltage SYMBOL VR TEST CONDITIONS 125 °C 150 °C 47CTQ020PbF 20 10 UNITS V ABSOLUTE MAXIMUM RATINGS PARAMETER Maximum average forward current per leg per device SYMBOL IF(AV) TEST CONDITIONS 50 % duty cycle at TC = 135 °C, rectangular waveform 5 µs sine or 3 µs rect. pulse IFSM 10 ms sine or 6 ms rect. pulse EAS IAR TJ = 25 °C, IAS = 3 A, L = 3 mH Current decaying linearly to zero in 1 µs Frequency limited by TJ maximum VA = 1.5 x VR typical Following any rated load condition and with rated VRRM applied VALUES 20 40 1000 250 18 3 mJ A A UNITS Maximum peak one cycle non-repetitive surge current per leg Non-repetitive avalanche energy per leg Repetitive avalanche current per leg * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 94227 Revision: 12-Sep-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 1 47CTQ020PbF Vishay High Power Products ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL 20 A 40 A Maximum forward voltage drop per leg VFM (1) 20 A 40 A 20 A 40 A TJ = 125 °C Maximum reverse leakage current per leg IRM (1) Schottky Rectifier, 2 x 20 A TEST CONDITIONS TJ = 25 °C VALUES 0.45 0.51 0.34 0.44 0.31 0.42 60 45 306 3 310 0.188 5.9 UNITS TJ = 125 °C TJ = 150 °C VR = 5 V VR = 3.3 V V R = 10 V VR = Rated VR V TJ = 150 °C TJ = 25 °C TJ = 125 °C mA Threshold voltage Forward slope resistance Maximum junction capacitance per leg Typical series inductance per leg Maximum voltage rate of change Note (1) Pulse width < 300 µs, duty cycle < 2 % VF(TO) rt CT LS dV/dt TJ = TJ maximum V mΩ pF nH V/µs VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C Measured lead to lead 5 mm from package body Rated VR 3000 5.5 10 000 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 Case style TO-220AB SYMBOL TJ, TStg TEST CONDITIONS VALUES - 55 to 150 1.5 RthJC DC operation 0.75 RthCS Mounting surface, smooth and greased 0.50 2 0.07 6 (5) 12 (10) g oz. kgf · cm (lbf · in) °C/W UNITS °C Mounting torque Marking device 47CTQ020 www.vishay.com 2 For technical questions, contact: diodes-tech@vishay.com Document Number: 94227 Revision: 12-Sep-08 47CTQ020PbF Schottky Rectifier, 2 x 20 A Vishay High Power Products IF - Instantaneous Forward Current (A) 1000 1000 IR - Reverse Current (mA) TJ = 150 °C 100 TJ = 125 °C TJ = 100 °C 10 TJ = 75 °C 1 TJ = 50 °C 100 10 TJ = 150 °C TJ = 125 °C TJ = 25 °C 0.1 TJ = 25 °C 1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0.01 0 4 8 12 16 20 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) 10 000 CT - Junction Capacitance (pF) TJ = 25 °C 1000 0 2 4 6 8 10 12 14 16 18 20 22 VR - Reverse Voltage (V) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg) ZthJC - Thermal Impedance (°C/W) 10 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 t2 0.1 Single pulse (thermal resistance) Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 0.1 1 10 100 0.01 0.00001 0.0001 0.001 0.01 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg) Document Number: 94227 Revision: 12-Sep-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 3 47CTQ020PbF Vishay High Power Products 160 Schottky Rectifier, 2 x 20 A 12 Allowable Case Temperature (°C) DC 140 130 120 110 100 See note (1) 90 0 5 10 15 20 25 30 Square wave (D = 0.50) 10 V applied Average Power Loss (W) 150 10 8 6 4 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS limit DC 2 0 0 5 10 15 20 25 30 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 (µs) 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 Ω Current monitor Fig. 8 - Unclamped Inductive Test Circuit Note Formula used: TC = TJ - (Pd + PdREV) x RthJC; Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6); PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 10 V (1) www.vishay.com 4 For technical questions, contact: diodes-tech@vishay.com Document Number: 94227 Revision: 12-Sep-08 47CTQ020PbF Schottky Rectifier, 2 x 20 A Vishay High Power Products ORDERING INFORMATION TABLE Device code 47 1 1 2 3 4 5 6 - C 2 T 3 Q 4 020 PbF 5 6 Current rating (40 A) Circuit configuration: C = Common cathode Package: T = TO-220 Schottky “Q” series Voltage rating (020 = 20 V) None = Standard production PbF = Lead (Pb)-free - 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: 94227 Revision: 12-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