B5817WS thru B5819WS SURFACE MOUNT SCHOTTKY BARRIER DIODE REVERSE VOLTAGE - 20 to 40 Volts FORWARD CURRENT - 1 Ampere FEATURES * For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications SOD-323 SOD-323 MECHANICAL DATA * Case: SOD-323 Plastic * Case Material: "Green" molding compound, UL flammability classification 94V-0, (No Br. Sb. CI) * Moisture Sensitivity: Level 1 per J-STD-020D * Lead Free in RoHS 2002/95/EC Compliant Dim. Min. Max. A 2.50 2.70 B 1.20 1.40 C 1.60 1.80 D 0.25 0.35 E 0.08 0.15 F 0.25 0.40 G --- 1.0 H 0.00 0.10 Dimensions in millimeter Maximum Ratings & Thermal Characteristics @ TA = 25 unless otherwise specified Characteristic Symbol B5817WS B5818WS B5819WS 20 30 40 14 21 1 9 1.5 250 28 Units Repetitive Peak Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectified Output Current Peak Forward Surge Current@t=8.3ms Repetitive Peak Forward Current Power Dissipation VRRM VRWM VR VR(RMS) IF IFSM IFRM PD Thermal Resistance Junction to Ambient RJA 500 /W Storage Temperature Range TSTG -65~+150 V V A A A mW Electrical Characteristics @ TA = 25 unless otherwise specified Characteristic Reverse Breakdown Voltage Maximum Forward Voltage Maximum DC Reverse Current at Rated DC Blocking Voltage Typical Junction Capacitance Test Condition IR = 1mA IF = 1A IF = 3A VR = 20V VR = 30V VR = 40V VR =4V,f=1MHz Symbol B5817WS B5818WS B5819WS Unit VBR 20 30 40 V 450 750 1 --- 550 875 -1 -- 600 900 --1 VF IR CT 120 mV mA pF REV. 1, Oct-2010, KSHR09 RATING AND CHARACTERISTIC CURVES B5817WS thru B5819WS FIG.1- FORWARD CURRENT DERATING CURVE FIG.2- MAXIMUM NON-REPETITIVE SURGE CURRENT 10 PEAK FORWARD S URGE CURRE NT, (A) IO , AVERAGE FO RWARD CURRENT, (A) 1.2 1 0.8 0.6 0.4 Resistive or Inductive load, 0.375"(9.5mm) lead length. 0.2 9 8 7 6 5 4 3 8.3ms Single Half-Wave 2 1 0 0 0 25 50 75 100 125 1 150 10 O FIG.4- TYPICAL REVERS E CHARACTERISTICS FIG.3- TYPICAL FORWORD CHARACTERISTICS 100 CURRENT, (A) 10 125 1 25 0.1 Pulse width=300us, 2% duty cycle 10 125 CURRENT, (mA) IR , INSTANTANEOUS REVERSE 100 IF , INSTANTANEOUS FORWARD 100 NUMBER OF CYCLES AT 60Hz TL, LEAD TEMAERATURE, ( C) 1 75 0.1 0.01 25 0.001 0.01 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 0 20 40 60 80 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) V F, INSTANTANEOUS FORWARD VOLTAGE, (V) FIG.5- TYPICAL JUNCTION CAPACITANCE CAP ACI TANCE, (pF) 1000 100 10 Tj=25, f=1MHz 1 0.1 1 10 100 REVERSE VOLTAGE, (V) Device Marking : Device P/N B5817WS B5818WS B5819WS Marking SJ SK SL Equivalent Circuit Diagram 100 Legal Disclaimer Notice B5817WS thru B5819WS Important Notice and Disclaimer LSC reserves the right to make changes to this document and its products and specifications at any time without notice. Customers should obtain and confirm the latest product information and specifications before final design, purchase or use. LSC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does LSC assume any liability for application assistance or customer product design. LSC does not warrant or accept any liability with products which are purchased or used for any unintended or unauthorized application. No license is granted by implication or otherwise under any intellectual property rights of LSC. LSC products are not authorized for use as critical components in life support devices or systems without express written approval of LSC.