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| Bulletin PD-20590 04/01 1N5818 1N5819 SCHOTTKY RECTIFIER 1.0 Amp Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM VF TJ @ tp = 5 s sine @ 1 Apk, TJ = 25C range Description/Features Units A V A V C The 1N5818/ 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, free-wheeling diodes, and reverse battery protection. Low profile, axial leaded outline High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability 1N5818 1N5819 1.0 30/40 225 0.55 - 40 to 150 CASE STYLE AND DIMENSIONS Device Marking: 1N581X Conform to JEDEC Outline DO-204AL (DO-41) Dimensions in millimeters and inches 1 1N5818, 1N5819 Bulletin PD-20590 04/01 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 1N5818 30 1N5819 40 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 4 IFSM Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 6 225 35 A 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied Value 1.0 Units A Conditions 50% duty cycle @ TL =90 C, rectangular wave form Electrical Specifications Parameters VFM Max. Forward Voltage Drop * See Fig. 1 (1) 1N5818 1N5819 Units 0.55 0.71 0.875 0.5 0.61 0.77 0.6 0.73 0.9 0.55 0.63 0.79 1.0 6.0 12 V V V V V V mA mA mA pF nH V/s Conditions @ 1A @ 2A @ 3A @ 1A @ 2A @ 3A T J = 25C T J = 100C T J = 125C V R = 5VDC (test signal range 100 to 1Mhz) 25C Measured lead to lead 5mm from pack. body VR = rated VR TJ = 125 C TJ = 25 C IRM Max. Reverse Leakage Current * See Fig. 2 (1) CT LS Max. Junction Capacitance Typical Series Inductance 60 8.0 10000 dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300s, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range Value -40 to 150 -40 to 150 80 Units C C Conditions RthJL Max. Thermal Resistance Junction to Lead (2) wt Approximate Weight Case Style C/W DC operation (* See Fig. 4) 0.33(0.012) g (oz.) DO-204AL(DO-41) (2) Mounted 1 inch square PCB, thermal probe connected to lead 2mm from package 2 www.irf.com 1N5818, 1N5819 Bulletin PD-20590 04/01 10 Reverse Current - I R (mA) 100 10 1 125C T J = 150C 0.1 0.01 25C Instantaneous Forward Current - I F (A) 0.001 0.0001 0 10 20 30 40 Reverse Voltage - V R (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage 1 100 Junction Capacitance - C T (pF) Tj = 150C Tj = 125C Tj = 25C T = 25C J 0.1 0 0.2 0.4 0.6 0.8 1 1.2 Forward Voltage Drop - VFM (V) Fig. 1 - Typ. Forward Voltage Drop Characteristics 10 0 10 20 30 40 50 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage www.irf.com 3 1N5818, 1N5819 Bulletin PD-20590 04/01 160 Allowable Lead Temperature (C) 0.8 Average Power Loss (Watts) 140 120 100 80 DC 0.6 RMS Limit 0.4 Square wave (D = 0.50) Rated Vr applied 0.2 60 see note (3) 40 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 Average Forward Current - I F(AV) (A) Fig. 4 - Typ. Allowable Lead Temperature Vs. Average Forward Current D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC DC 0 0 0.5 1 1.5 Average Forward Current - I F(AV) (A) Fig. 5- Forward Power Loss Characteristics Non-Repetitive Surge Current - I FSM (A) 1000 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 - Typ . Non-Repetitive Surge Current (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com 1N5818, 1N5819 Bulletin PD-20590 04/01 Marking & Identification Each device has marking and identification on two rows. - The first row designates the device as manufactured by International Rectifier as indicated by the letters "IR", then Current and Voltage. - The second row shows the data code: Year and Week. See below marking diagram. Ordering Information 1N581X TR - TAPE AND REEL WHEN ORDERING, INDICATE THE PART NUMBER AND THE QUANTITY ( IN MULTIPLES OF 3000 PIECES). EXAMPLE: 1N581X TR - 6000 PIECES FIRST ROW 1N581X SECOND ROW Date Code YY WW 1N581X SERIES - BULK QUANTITIES WHEN ORDERING, INDICATE THE PART NUMBER AND THE QUANTITY (IN MULTIPLE OF 1000 PIECES) EXAMPLE: 1N581X - 2000 PIECES Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 04/01 www.irf.com 5 |
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