Schottky Rectifier, 19 A TO-220AC PRODUCT SUMMARY I F(AV) V R Base cathode 2 1 3 Cathode Anode 19 A 15 V FEATURES 125 C operation (V R < 5 V) Optimized for OR-ing applications 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 Designed and qualified for industrial level DESCRIPTION The Schottky rectifier has been optimized for ultralow forward voltage drop specifically for the OR-ing of parallel power supplies. The proprietary barrier technology allows for reliable operation up to 125 C junction temperature. Typical applications are in parallel switching power supplies, converters, reverse battery protection, and redundant power subsystems. MAJOR RATINGS AND CHARACTERISTICS SYMBOL CHARACTERISTICS VALUES UNITS I F(AV) Rectangular waveform 19 A V RRM 15 V I FSM t p = 5 µs sine 700 A V F 19 Apk, = 75 C 0.32 V Range - 55 to 125 C VOLTAGE RATINGS PARAMETER SYMBOL UNITS Maximum DC reverse voltage V R Maximum working peak reverse voltage V RWM 15 V ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average forward current See fig. 5 I F(AV) 50 % duty cycle at T C = 80 C, rectangular waveform 19 Maximum peak one cycle 5 µs sine or 3 µs rect. pulse Following any rated load 700 A non-repetitive surge current I FSM condition and with rated See fig. 7 ms sine or 6 ms rect. pulse V RRM applied 330 Non-repetitive avalanche energy E AS = 25 C, I AS = 1.50 A, L = 6 mh 6.75 mj Current decaying linearly to zero in 1 µs Repetitive avalanche current I AR Frequency limited by maximum V A = 3 x V R typical 1.50 A Document Number: 93253 For technical questions, contact: diodes-tech@vishay.com www.vishay.com Revision: 25-Jun-08 1
Schottky Rectifier, 19 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum forward voltage drop See fig. 1 Note (1) Pulse width < 300 µs, duty cycle < 2 % V FM (1) 19 A 0.36 = 25 C 38 A 0.46 19 A 0.32 = 75 C 38 A 0.43 = C, V R = 12 V 465 Maximum reverse leakage curent = C, V R = 5 V 285 I (1) RM ma See fig. 2 = 25 C.5 V R = Rated V R = C 522 Maximum junction capacitance C T V R = 5 V DC (test signal range khz to 1 MHz) 25 C 2000 pf Typical series inductance L S Measured lead to lead 5 mm from package body 8.0 nh Maximum voltage rate of change dv/dt Rated V R 000 V/µs V THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum junction temperature range - 55 to 125 C Maximum storage temperature range T Stg - 55 to 150 Maximum thermal resistance, junction to case Typical thermal resistance, case to heatsink Approximate weight R thjc DC operation See fig. 4 1.50 R thcs Mounting surface, smooth and greased 0.50 C/W 2 g 0.07 oz. minimum 6 (5) kgf cm Mounting torque maximum 12 () (lbf in) Marking device Case style TO-220AC www.vishay.com For technical questions, contact: diodes-tech@vishay.com Document Number: 93253 2 Revision: 25-Jun-08
Schottky Rectifier, 19 A 0 0 I F - Instantaneous Forward Current (A) 1 = C = 75 C = 25 C I R - Reverse Current (ma) 1 = C = 75 C = 50 C = 25 C 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 V FM - Forward Voltage Drop (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics 0.1 0 5 V R - Reverse Voltage (V) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage 15 C T - Junction Capacitance (pf) 000 0 = 25 C 0 5 15 20 25 30 V R - Reverse Voltage (V) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage Z thjc - Thermal Impedance ( C/W) 1 0.1 0.01 D = 0.50 D = 0.33 D = 0.25 D = 0.17 D = 0.08 Single pulse. (thermal resistance) 2. Peak = P DM x Z thjc + T C. 0.001 0.00001 0.0001 0.001 0.01 0.1 1 t 1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance Z thjc Characteristics P DM Notes: 1. Duty factor D = t 1 /t 2 t 1 t 2 Document Number: 93253 For technical questions, contact: diodes-tech@vishay.com www.vishay.com Revision: 25-Jun-08 3
Schottky Rectifier, 19 A Allowable Case Temperature ( C) 5 95 90 85 R thjc (DC) = 1.50 C/W DC 80 0 5 15 20 25 30 I F(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current Average Power Loss (W) 8 6 4 2 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 DC RMS limit 0 0 4 8 12 16 20 24 28 I F(AV) - Average Forward Current (A) Fig. 6 - Forward Power Loss Characteristics I FSM - Non-Repetitive Surge Current (A) 0 At any rated load condition and with rated V RRM applied following surge 0 000 t p - Square Wave Pulse Duration (µs) Fig. 7 - Maximum Non-Repetitive Surge Current L D.U.T. IRFP460 High-speed switch Current monitor R g = 25 Ω Freewheel diode 40HFL40S02 + V d = 25 V Fig. 8 - Unclamped Inductive Test Circuit www.vishay.com For technical questions, contact: diodes-tech@vishay.com Document Number: 93253 4 Revision: 25-Jun-08
Schottky Rectifier, 19 A ORDERING INFORMATION TABLE Device code 19 T Q 015-1 2 3 4 5 1 - Current rating (19 = 19 A) 2 - Package: T = TO-220 3 - Schottky Q series 4 - Voltage rating (015 = 15 V) 5 - None = Standard production PbF = Lead (Pb)-free Tube standard pack quantity: 50 pieces Dimensions Part marking information LINKS TO RELATED DOCUMENTS http://www.vishay.com/doc?95221 http://www.vishay.com/doc?95224 Document Number: 93253 For technical questions, contact: diodes-tech@vishay.com www.vishay.com Revision: 25-Jun-08 5
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