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| 8TQ... Series Vishay High Power Products Schottky Rectifier, 8 A FEATURES * 175 C TJ operation Base cathode 2 * Low forward voltage drop * High frequency operation * High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance TO-220AC 1 Cathode 3 Anode * Guard ring for enhanced ruggedness and long term reliability * Designed and qualified for industrial level DESCRIPTION PRODUCT SUMMARY IF(AV) VR 8A 80/100 V The 8TQ... 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 8 Apk, TJ = 125 C Range VALUES 8 80/100 850 0.58 - 55 to 175 UNITS A V A V C VOLTAGE RATINGS PARAMETER Maximum DC reverse voltage Maximum working peak reverse voltage SYMBOL VR VRWM 8TQ080 80 8TQ100 100 UNITS V ABSOLUTE MAXIMUM RATINGS PARAMETER Maximum average forward current See fig. 5 Maximum peak one cycle non-repetitive surge current See fig. 7 Non-repetitive avalanche energy Repetitive avalanche current SYMBOL IF(AV) TEST CONDITIONS 50 % duty cycle at TC = 157 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 8 850 A 230 7.50 0.50 mJ A UNITS A TJ = 25 C, IAS = 0.50 A, L = 60 mH Current decaying linearly to zero in 1 s Frequency limited by TJ maximum VA = 1.5 x VR typical Document Number: 93414 Revision: 19-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 1 8TQ... Series Vishay High Power Products Schottky Rectifier, 8 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL 8A Maximum forward voltage drop See fig. 1 VFM (1) TEST CONDITIONS TJ = 25 C VALUES 0.72 0.88 0.58 0.69 0.55 7 500 8 10 000 UNITS 16 A 8A 16 A V TJ = 125 C VR = rated VR Maximum reverse leakage current See fig. 2 Maximum junction capacitance Typical series inductance 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 mA pF nH V/s 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 Typical thermal resistance, case to heatsink Approximate weight minimum maximum Case style TO-220AC SYMBOL TJ, TStg RthJC RthCS DC operation See fig. 4 Mounting surface, smooth and greased TEST CONDITIONS VALUES - 55 to 175 2.0 C/W 0.50 2 0.07 6 (5) 12 (10) g oz. kgf * cm (lbf * in) 8TQ080 8TQ100 UNITS C Mounting torque Marking device www.vishay.com 2 For technical questions, contact: diodes-tech@vishay.com Document Number: 93414 Revision: 19-Aug-08 8TQ... Series Schottky Rectifier, 8 A Vishay High Power Products 100 1000 TJ = 175 C IF - Instantaneous Forward Current (A) IR - Reverse Current (mA) 10 1 0.1 0.01 0.001 0.0001 TJ = 150 C TJ = 125 C TJ = 100 C TJ = 75 C TJ = 50 C TJ = 25 C 100 10 TJ = 175 C TJ = 125 C TJ = 25 C 1 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 0 20 40 60 80 100 VFM - Forward Voltage Drop (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics VR - Reverse Voltage (V) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage 1000 CT - Junction Capacitance (pF) TJ = 25 C 100 0 10 20 30 40 50 60 70 80 90 100 110 VR - Reverse Voltage (V) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage ZthJC - Thermal Impedance (C/W) 10 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 Single pulse (thermal resistance) 0.1 0.0001 0.001 0.01 0.1 1 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics Document Number: 93414 Revision: 19-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 3 8TQ... Series Vishay High Power Products 180 Schottky Rectifier, 8 A 7 Allowable Case Temperature (C) 170 165 160 155 150 145 See note (1) 140 0 2 4 6 Square wave (D = 0.50) 80 % rated VR applied DC Average Power Loss (W) 175 6 5 4 3 2 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS limit DC 1 0 8 10 12 0 2 4 6 8 10 12 IF(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current IF(AV) - Average Forward Current (A) Fig. 6 - Forward Power Loss Characteristics 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 L High-speed switch Freewheel diode 40HFL40S02 + Vd = 25 V D.U.T. IRFP460 Rg = 25 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 = 80 % rated VR (1) www.vishay.com 4 For technical questions, contact: diodes-tech@vishay.com Document Number: 93414 Revision: 19-Aug-08 8TQ... Series Schottky Rectifier, 8 A Vishay High Power Products ORDERING INFORMATION TABLE Device code 8 1 1 2 3 4 5 T 2 - Q 3 100 4 5 Current rating (8 = 8 A) Package: T = TO-220 Schottky "Q" series Voltage ratings None = Standard production PbF = Lead (Pb)-free 080 = 80 V 100 = 100 V Tube standard pack quantity: 50 pieces LINKS TO RELATED DOCUMENTS Dimensions Part marking information http://www.vishay.com/doc?95221 http://www.vishay.com/doc?95224 Document Number: 93414 Revision: 19-Aug-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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