Spec. No. : C331SA Issued Date : 2003.04.10 Revised Date : Page No. : 1/3 CYStech Electronics Corp. 1.0Amp. Surface Mount Schottky Barrier Diodes CSMA581XSA Series Features • For surface mounted applications. • For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications • Plastic material used carries Underwriters Laboratory Flammability Classification 94V-0 • Low leakage current • High surge capability • High temperature soldering: 250°C/10 seconds at terminals • Exceeds environmental standards of MIL-S-19500/228 Mechanical Data • Case: SMA/DO-214AC molded plastic. • Terminals: Solder plated, solderable per MIL-STD-750 method 2026 • Polarity: Indicated by cathode band. • Packaging: 12mm tape per EIA STD RS-481. • Weight: 0.05 gram, 0.0015 ounce Maximum Ratings and Electrical Characteristics (Rating at 25°C ambient temperature unless otherwise specified. ) Parameter Conditions Repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum instantaneous IF=3A (Note 1) forward voltage Maximum average forward rectified current 8.3ms single half sine wave superimposed Peak forward surge current on rated load(JEDEC method) VR=VRRM,TA=25℃(Note 1) Maximum DC reverse current VR=VRRM,TA=100℃(Note 1) Maximum thermal Junction to ambient(Note 2) resistance Diode junction capacitance f=1MHz and applied 4V reverse voltage Storage temperature Operating temperature Type CSMA CSMA CSMA Symbol Units 5817 5818 5819 min typ max VRRM 20 30 40 V VRMS 14 21 28 V VR 20 30 40 V VF 0.475 0.500 0.525 V IO 1 A IFSM 30 A IR 0.5 10 mA mA Rth,JA 80 ℃/w CJ Tstg TJ 130 -55~+150 -55~+125 pF ℃ ℃ Notes: 1.Pulse test, pulse width=300μsec, 2% duty cycle 2.Mounted on PCB with 5.0mm² (0.013mm thickness) copper pad area. CSMA581XSA CYStek Product Specification Spec. No. : C331SA Issued Date : 2003.04.10 Revised Date : Page No. : 2/3 CYStech Electronics Corp. Characteristic Curves Maximum Non-Repetitive Forward Surge Current 35 1.2 Peak Forward Surge Current---IFSM(A) Average Forward Current---Io(A) Forward Current Derating Curve 1 0.8 0.6 0.4 0.2 0 30 Tj=25℃, 8.3ms Single Half Sine Wave JEDEC method 25 20 15 10 5 0 0 50 100 150 1 100 Number of Cycles at 60Hz Ambient Temperature---TA(℃) Forward Current vs Forward Voltage Junction Capacitance vs Reverse Voltage 350 100 CSMA5817 Junction Capacitance---CJ(pF) Forward Current---IF(A) 10 10 CSMA5818-5819 1 Tj=25℃, Pulse width=300μs 1% Duty cycle 0.1 0.01 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 Forward Voltage---VF(V) 300 250 200 150 100 50 0 0.01 0.1 1 10 100 Reverse Voltage---VR(V) Reverse Leakage Current vs Reverse Voltage Reverse Leakage Current---IR(mA) 100 10 Tj=75℃ 1 0.1 Tj=25℃ 0.01 0 20 40 60 80 100 120 140 Reverse Voltage---VR(V) CSMA581XSA CYStek Product Specification CYStech Electronics Corp. Spec. No. : C331SA Issued Date : 2003.04.10 Revised Date : Page No. : 3/3 SMA/DO-214AC Dimension Marking Code: C A Device CSMA5817 CSMA5818 CSMA5819 Code SK12 SK13 SK14 B D SMA Plastic Surface Mounted Package CYStek Package Code:SA E G F *:Typical Inches Min. Max. 0.177 0.185 0.094 0.110 0.012(typ) 0.150 0.165 DIM A B C D Millimeters Min. Max. 4.4 4.8 2.4 2.8 0.3(typ) 3.8 4.2 DIM E F G - Inches Min. Max. 0.060 0.067 0.04(typ) 0.04(typ) - Millimeters Min. Max. 1.5 1.7 1.0(typ) 1.0(typ) - Notes : 1.Controlling dimension : millimeters. 2.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.If there is any question with packing specification or packing method, please contact your local CYStek sales office. Material : • Lead : 42 Alloy ; solder plating • Mold Compound : Epoxy resin family, flammability solid burning class:UL94V-0 Important Notice: • All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek. • CYStek reserves the right to make changes to its products without notice. • CYStek semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems. • CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. CSMA581XSA CYStek Product Specification