1N5819 Vishay High Power Products Schottky Rectifier, 1.0 A FEATURES * Low profile, axial leaded outline * High frequency operation * Very low forward voltage drop Cathode Anode * High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance * Guard ring for enhanced ruggedness and long term reliability DO-204AL * Lead (Pb)-free plating * Designed and qualified for industrial level PRODUCT SUMMARY DESCRIPTION IF(AV) 1.0 A VR 40 V IRM 12 mA at 125 C The 1N5819 axial leaded Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. MAJOR RATINGS AND CHARACTERISTICS SYMBOL IF(AV) CHARACTERISTICS Rectangular waveform VRRM VALUES UNITS 1.0 A 40 V IFSM tp = 5 s sine 225 A VF 1 Apk, TJ = 25 C 0.55 V TJ Range - 40 to 150 C VOLTAGE RATINGS PARAMETER SYMBOL Maximum DC reverse voltage VR Maximum working peak reverse voltage 1N5819 UNITS 40 V VRWM ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Maximum average forward current See fig. 4 IF(AV) Maximum peak one cycle non-repetitive surge current See fig. 6 IFSM Document Number: 94614 Revision: 06-Nov-08 TEST CONDITIONS 50 % duty cycle at TL = 90 C, rectangular waveform 5 s sine or 3 s rect. pulse 10 ms sine or 6 ms rect. pulse Following any rated load condition and with rated VRRM applied For technical questions, contact: diodes-tech@vishay.com VALUES UNITS 1.0 225 A 35 www.vishay.com 1 1N5819 Vishay High Power Products Schottky Rectifier, 1.0 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS 1A VFM (1) 0.9 1A 0.55 TJ = 125 C 3A V 0.63 0.79 TJ = 25 C IRM (1) 0.73 3A 2A Maximum reverse leakage current See fig. 2 UNITS 0.6 TJ = 25 C 2A Maximum forward voltage drop See fig. 1 VALUES 1.0 TJ = 100 C VR = Rated VR TJ = 125 C 6.0 mA 12 Maximum junction capacitance CT VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 C 60 pF Typical series inductance LS Measured lead to lead 5 mm from package body 8.0 nH 10 000 V/s VALUES UNITS - 40 to 150 C 80 C/W 0.33 g Maximum voltage rate of change dV/dt Rated VR Note (1) Pulse width < 300 s, duty cycle < 2 % THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL Maximum junction and storage temperature range TJ, TStg Maximum thermal resistance, junction to lead RthJL (1) TEST CONDITIONS DC operation See fig. 4 Approximate weight Marking device 0.012 Case style DO-204AL (DO-41) oz. 1N5819 Note (1) Mounted 1" square PCB, thermal probe connected to lead 2 mm from package www.vishay.com 2 For technical questions, contact: diodes-tech@vishay.com Document Number: 94614 Revision: 06-Nov-08 1N5819 Schottky Rectifier, 1.0 A Vishay High Power Products 100 Instantaneous Forward Current - I F (A) Junction Capacitance - C T (pF) 10 T = 25C J 10 0 10 20 30 40 50 Reverse Voltage - V R (V) 1 Allowable Lead Temperature (C) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage Tj = 150C Tj = 125C Tj = 25C 0.1 160 140 DC 120 100 80 Square wave (D = 0.50) Rated Vr applied 60 see note (1) 40 0 0.2 0.4 0.6 0.8 1 0 1.2 Forward Voltage Drop - VFM (V) 1 1.2 1.4 1.6 Average Forward Current - I F(AV) (A) Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 4 - Typical Allowable Lead Temperature vs. Average Forward Current 0.8 Average Power Loss (Watts) 100 Reverse Current - I R (mA) 0.2 0.4 0.6 0.8 T J = 150C 10 1 125C 0.1 0.01 25C 0.001 0.6 RMS Limit 0.4 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC DC 0.2 0 0.0001 0 10 20 30 40 0 0.5 1 1.5 Reverse Voltage - V R (V) Average Forward Current - I F(AV) (A) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage Fig. 5 - Forward Power Loss Characteristics 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) Document Number: 94614 Revision: 06-Nov-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 3 1N5819 1000 Non-Repetitive Surge Current - I (A) FSM Vishay High Power Products Schottky Rectifier, 1.0 A At Any Rated Load Condition And With Rated VRRM Applied Following Surge 100 10 10 100 1000 10000 Square Wave Pulse Duration - tp (microsec) Fig. 6 - Typical Non-Repetitive Surge Current ORDERING INFORMATION TABLE Device code 1N5819 TR 1 2 1 - Part number: 1N5819 = 1 A, 40 V 2 - TR = Tape and reel package (5000 pcs) None = Box package (1000 pcs) LINKS TO RELATED DOCUMENTS Dimensions http://www.vishay.com/doc?95241 Part marking information http://www.vishay.com/doc?95304 Packaging information http://www.vishay.com/doc?95308 www.vishay.com 4 For technical questions, contact: diodes-tech@vishay.com Document Number: 94614 Revision: 06-Nov-08 Outline Dimensions Vishay Semiconductors Axial DO-204AL (DO-41) DIMENSIONS in millimeters (inches) 2.70 (0.106) DIA. 2.29 (0.090) Cathode band 27.0 (1.06) MIN. (2 places) 5.21 (0.205) MAX. 27.0 (1.06) MIN. (2 places) 1.27 (0.050) MAX. Flash (2 places) 5.21 (0.205) MAX. 0.86 (0.034) DIA. 0.72 (0.028) (2 places) 0.86 (0.034) DIA. 0.72 (0.028) (2 places) 2.70 (0.106) DIA. 2.29 (0.090) Document Number: 95241 Revision: 22-Nov-07 For technical questions, contact: indmodules@vishay.com 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. 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 in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. 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