TO-220AC Base cathode 1 3 Cathode Anode FEATURES 125 C operation (V R < 5 V) Center tap module Optimized for OR-ing applications Ultra low 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 PRODUCT SUMMARY I F(AV) 20 A V R 15 V I RM 600 ma at C DESCRIPTION The Schottky rectifier module has been optimized for ultra low 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 20 A V RRM 15 V I FSM t p = 5 µs sine 700 A V F 19 Apk, = 125 C (typical) 0.25 V Range - 55 to 125 C VOLTAGE RATINGS PARAMETER SYMBOL TEST CONDITIONS UNITS Maximum DC reverse voltage V R Maximum working peak reverse voltage V RWM = C 15 V ABSOLUTE MAXIMUM RATINGS load PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average forward current See fig. 5 I F(AV) 50 % duty cycle, T C = 85 C, rectangular waveform 20 A Maximum peak one cycle 5 µs sine or 3 µs rect. pulse Following any rated 700 non-repetitive surge current I FSM condition and with rated A See fig. 7 ms sine or 6 ms rect. pulse V RRM applied 330 Non-repetitive avalanche energy E AS = 25 C, I AS = 2 A, L = 6 mh mj Current decaying linearly to zero in 1 µs Repetitive avalanche current I AR Frequency limited by maximum V A = 1.5 x V R typical 2 A Document Number: 93476 For technical questions, contact: diodes-tech@vishay.com www.vishay.com Revision: 22-Aug-08 1
ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS TYP. MAX. UNITS 19 A - 0.41 = 25 C Forward voltage drop 40 A - 0.52 V (1) FM See fig. 1 19 A 0.25 0.33 = 125 C 40 A 0.37 0.50 V Reverse leakage current = 25 C - I RM See fig. 2 V R = Rated V R = C - 600 ma Threshold voltage V F(TO) 0.182 V = maximum Forward slope resistance r t 7.6 mω 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 - nh Maximum voltage rate of change dv/dt Rated V R 000 V/µs Note (1) Pulse width < 300 µs, duty cycle < 2 % 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 Maximum thermal resistance, junction to ambient Approximate weight R thjc R thcs R thja DC operation See fig. 4 Mounting surface, smooth and greased (For TO-220) DC operation (For D 2 PAK) 1.5 0.50 40 C/W 2 g 0.07 oz. minimum 6 (5) kgf cm Mounting torque Non-lubricated threads maximum 12 () (lbf in) Marking device Case style TO-220AC www.vishay.com For technical questions, contact: diodes-tech@vishay.com Document Number: 93476 2 Revision: 22-Aug-08
I F - Instantaneous Forward Current (A) = 125 C = 75 C = 25 C 1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 I R - Reverse Current (ma) 1 0.1 0 = C = 50 C = 75 C = 25 C 3 6 9 12 15 V FM - Forward Voltage Drop (V) V R - Reverse Voltage (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage 000 C T - Junction Capacitance (pf) = 25 C 0 5 15 20 V R - Reverse Voltage (V) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage Z thjc - Thermal Impedance ( C/W) 1 0.1 Single pulse (thermal resistance) D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 0.01 0.00001 0.0001 0.001 0.01 0.1 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. 2. Peak = P DM x Z thjc + T C t 1 1 t 2 Document Number: 93476 For technical questions, contact: diodes-tech@vishay.com www.vishay.com Revision: 22-Aug-08 3
Allowable Case Temperature ( C) 95 90 85 80 75 Square wave (D = 0.50) See note (1) 70 0 4 8 12 16 20 24 Average Power Loss (W) 14 12 8 6 4 2 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC RMS limit 0 0 5 15 20 25 30 I F(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current I F(AV) - Average Forward Current (A) Fig. 6 - Forward Power Loss Characteristics I FSM - Non-Repetitive Surge Current (A) At any rated load condition and with rated V RRM applied following surge t p - Square Wave Pulse Duration (µs) 000 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 Note (1) Formula used: T C = - (Pd + Pd REV ) x R thjc ; Pd = Forward power loss = I F(AV) x V FM at (I F(AV) /D) (see fig. 6); Pd REV = Inverse power loss = V R1 x I R (1 - D); I R at V R1 = 80 % rated V R www.vishay.com For technical questions, contact: diodes-tech@vishay.com Document Number: 93476 4 Revision: 22-Aug-08
ORDERING INFORMATION TABLE Device code STPS 20 L 15 D - 1 2 3 4 5 6 1 - Schottky STPS series 2 - Current rating (20 = 20 A) 3 - L = Low voltage drop 4 - Voltage rating (15 = 15 V) 5 - D = TO-220 6 - None = Standard production PbF = Lead (Pb)-free Tube standard pack quantity: 50 pieces Dimensions Part marking information SPICE model LINKS TO RELATED DOCUMENTS http://www.vishay.com/doc?95221 http://www.vishay.com/doc?95224 http://www.vishay.com/doc?95305 Document Number: 93476 For technical questions, contact: diodes-tech@vishay.com www.vishay.com Revision: 22-Aug-08 5
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