18TQ0..PbF Series Vishay High Power Products Schottky Rectifier, 18 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 3 Anode 1 Cathode TO-220AC • Guard ring for enhanced ruggedness and long term reliability • Compliant to RoHS directive 2002/95/EC • Designed and qualified for industrial level DESCRIPTION PRODUCT SUMMARY IF(AV) 18 A VR 35 V to 50 V The 18TQ...PbF 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 CHARACTERISTICS IF(AV) Rectangular waveform VRRM Range IFSM tp = 5 μs sine VF 18 Apk, TJ = 125 °C TJ Range VALUES UNITS 18 A 35 to 50 V 1800 A 0.53 V - 55 to 175 °C VOLTAGE RATINGS PARAMETER SYMBOL Maximum DC reverse voltage VR Maximum working peak reverse voltage VRWM 18TQ035PbF 18TQ040PbF 18TQ045PbF 18TQ050PbF UNITS 35 40 45 50 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 See fig. 7 IFSM Non-repetitive avalanche energy EAS TJ = 25 °C, IAS = 3.6 A, L = 3.7 mH 24 mJ Repetitive avalanche current IAR Current decaying linearly to zero in 1 μs Frequency limited by TJ maximum VA = 1.5 x VR typical 3.6 A 50 % duty cycle at TC = 149 °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 18 1800 A 390 * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 94149 Revision: 10-Nov-09 For technical questions, contact: [email protected] www.vishay.com 1 18TQ0..PbF Series Vishay High Power Products Schottky Rectifier, 18 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS 18 A Maximum forward voltage drop VFM (1) See fig. 1 TJ = 25 °C 36 A 18 A TJ = 125 °C 36 A Maximum reverse leakage current See fig. 2 IRM (1) TJ = 25 °C VR = Rated VR TJ = 125 °C Maximum junction capacitance CT VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C Typical series inductance LS Measured lead to lead 5 mm from package body Maximum voltage rate of change dV/dt Rated VR VALUES UNITS 0.60 0.72 V 0.53 0.67 2.5 mA 25 1400 pF 8 nH 10 000 V/μs VALUES UNITS - 55 to 175 °C 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 RthJC DC operation See fig. 4 1.50 Typical thermal resistance, case to heatsink RthCS Mounting surface, smooth and greased 0.50 2 g 0.07 oz. minimum 6 (5) maximum 12 (10) kgf · cm (lbf 〈 in) Approximate weight Mounting torque °C/W 18TQ035 Marking device Case style TO-220AC 18TQ040 18TQ045 18TQ050 www.vishay.com 2 For technical questions, contact: [email protected] Document Number: 94149 Revision: 10-Nov-09 18TQ0..PbF Series Schottky Rectifier, 18 A Vishay High Power Products 1000 1000 IR - Reverse Current (mA) IF - Instantaneous Forward Current (A) TJ = 175 °C 100 TJ = 175 °C TJ = 125 °C TJ = 25 °C 10 100 1 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 1.6 1.4 0 10 20 30 40 50 VFM - Forward Voltage Drop (V) VR - Reverse Voltage (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage CT - Junction Capacitance (pF) 10 000 1000 100 0 10 20 30 40 50 VR - Reverse Voltage (V) ZthJC - Thermal Impedance (°C/W) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage 10 1 PDM 0.1 D = 0.50 D = 0.33 D = 0.25 D = 0.17 D = 0.08 0.01 Single pulse (thermal resistance) 0.001 0.00001 0.0001 0.001 0.01 t1 t2 Notes: 1. Duty factor D = t1/t2 . 2. Peak TJ = PDM x ZthJC + TC 0.1 1 10 . 100 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics Document Number: 94149 Revision: 10-Nov-09 For technical questions, contact: [email protected] www.vishay.com 3 18TQ0..PbF Series Schottky Rectifier, 18 A Vishay High Power Products 15 18TQ RthJC (DC) = 1.50 °C/W 175 Average Power Loss (W) Allowable Case Temperature (°C) 180 170 165 DC 160 155 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 10 RMS Limit DC 5 0 150 0 4 8 12 16 20 24 0 28 4 8 12 16 20 24 28 IF(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics IFSM - Non-Repetitive Surge Current (A) IF(AV) - Average Forward Current (A) 10 000 1000 At any rated load condition and with rated VRRM applied following surge 100 10 100 10 000 1000 tp - Square Wave Pulse Duration (µs) Fig. 7 - Maximum Non-Repetitive Surge Current 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: 94149 Revision: 10-Nov-09 18TQ0..PbF Series Schottky Rectifier, 18 A Vishay High Power Products ORDERING INFORMATION TABLE Device code 18 T Q 050 PbF 1 2 3 4 5 1 - Current rating (18 = 18 A) 2 - Package: T = TO-220 3 - Schottky “Q” series 4 - Voltage ratings 5 - None = Standard production 035 = 35 V 040 = 40 V 045 = 45 V 050 = 50 V PbF = Lead (Pb)-free Tube standard pack quantity: 50 pieces LINKS TO RELATED DOCUMENTS Dimensions www.vishay.com/doc?95221 Part marking information www.vishay.com/doc?95224 SPICE model www.vishay.com/doc?95280 Document Number: 94149 Revision: 10-Nov-09 For technical questions, contact: [email protected] www.vishay.com 5 Outline Dimensions Vishay Semiconductors TO-220AC DIMENSIONS in millimeters and inches (6) B Seating plane A E A ØP 0.014 M B A M E2 (7) Q 3 D D L1 E A1 C Thermal pad C H1 D2 Detail B (6) 2 x b2 2xb Detail B θ D1 1 2 A (6) H1 (7) (6) D 1 2 3 Lead tip L3 C E1 (6) Lead assignments Diodes 1 + 2 - Cathode 3 - Anode L4 L c e1 A Conforms to JEDEC outline TO-220AC View A - A A2 0.015 M B A M SYMBOL MILLIMETERS INCHES NOTES SYMBOL MIN. MAX. MIN. MAX. A 4.25 4.65 0.167 0.183 E1 A1 1.14 1.40 0.045 0.055 A2 2.56 2.92 0.101 0.115 b 0.69 1.01 0.027 0.040 b1 0.38 0.97 0.015 0.038 b2 1.20 1.73 0.047 0.068 b3 1.14 1.73 0.045 0.068 MILLIMETERS INCHES MAX. MIN. MAX. 6.86 8.89 0.270 0.350 6 E2 - 0.76 - 0.030 7 e 2.41 2.67 0.095 0.105 e1 4.88 5.28 0.192 0.208 4 H1 6.09 6.48 0.240 0.255 L 13.52 14.02 0.532 0.552 4 L1 3.32 3.82 0.131 0.150 c 0.36 0.61 0.014 0.024 L3 1.78 2.13 0.070 0.084 c1 0.36 0.56 0.014 0.022 4 L4 0.76 1.27 0.030 0.050 D 14.85 15.25 0.585 0.600 3 ØP 3.54 3.73 0.139 0.147 Q 2.60 3.00 0.102 0.118 D1 8.38 9.02 0.330 0.355 D2 11.68 12.88 0.460 0.507 6 E 10.11 10.51 0.398 0.414 3, 6 NOTES MIN. 90° to 93° 6, 7 2 2 90° to 93° Notes (1) Dimensioning and tolerancing as per ASME Y14.5M-1994 (2) Lead dimension and finish uncontrolled in L1 (3) Dimension D, D1 and E do not include mold flash. Mold flash shall not exceed 0.127 mm (0.005") per side. These dimensions are measured at the outermost extremes of the plastic body (4) Dimension b1, b3 and c1 apply to base metal only (5) Controlling dimension: inches (6) Thermal pad contour optional within dimensions E, H1, D2 and E1 (7) Dimension E2 x H1 define a zone where stamping and singulation irregularities are allowed (8) Outline conforms to JEDEC TO-220, D2 (minimum) where dimensions are derived from the actual package outline Document Number: 95221 Revision: 07-Mar-11 For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] www.vishay.com 1 Legal Disclaimer Notice Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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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. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 11-Mar-11 www.vishay.com 1