1N5818 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 30 V IRM 12 mA at 125 °C The 1N5818 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 30 V IFSM tp = 5 µs 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 1N5818 UNITS 30 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: 93256 Revision: 06-Nov-08 TEST CONDITIONS 50 % duty cycle at TL = 90 °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 For technical questions, contact: [email protected] VALUES UNITS 1.0 225 A 35 www.vishay.com 1 1N5818 Vishay High Power Products Schottky Rectifier, 1.0 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS 1A VFM (1) 0.875 1A 0.5 TJ = 125 °C 3A V 0.61 0.77 TJ = 25 °C IRM (1) 0.71 3A 2A Maximum reverse leakage current See fig. 2 UNITS 0.55 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/µs 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 µs, 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. 1N5818 Note (1) Mounted 1" square PCB, thermal probe connected to lead 2 mm from package www.vishay.com 2 For technical questions, contact: [email protected] Document Number: 93256 Revision: 06-Nov-08 1N5818 Schottky Rectifier, 1.0 A Vishay High Power Products 100 Instantaneous Forward Current - I F (A) Junction Capacitance - C T (pF) 10 T = 25˚C 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 = 150˚C Tj = 125˚C Tj = 25˚C 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 = 150˚C 10 1 125˚C 0.1 0.01 25˚C 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: 93256 Revision: 06-Nov-08 For technical questions, contact: [email protected] www.vishay.com 3 1N5818 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 1N5818 TR 1 2 1 - Part number: 1N5818 = 1 A, 30 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: [email protected] Document Number: 93256 Revision: 06-Nov-08 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