B0520WS thru B0540WS SURFACE MOUNT SCHOTTKY BARRIER DIODE REVERSE VOLTAGE - 20 to 40 Volts FORWARD CURRENT - 0.5 Ampere FEATURES SOD-323 * Low Forward Voltage Drop * High Conductance * Guard Ring Construction for Transient Protection SOD-323 Dim. Min. 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 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 Max. 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 Repetitive Peak Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectified Output Current Peak Forward Surge Current Power Dissipation VRRM VRWM VR VR(RMS) IF IFSM PD B0520WS B0530WS B0540WS 20 30 40 14 21 0.5 5.5 200 28 Units V V A A mW Thermal Resistance Junction to Ambient RJA 625 /W Operating Temperature Range Storage Temperature Range Voltage Rate of Change TJ TSTG dv/dt 150 -65~+150 1000 V/s 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 = 20uA IR = 250uA IR = 500uA IF = 0.1A IF = 0.5A IF = 1.0A VR = 10V VR = 15V VR = 20V VR = 30V VR = 40V VR =1.0V,f=1MHz Symbol VBR VF IR CT B0520WS B0530WS B0540WS -20 -300 385 -75 -250 --- --30 360 450 --80 100 500 -- 40 ---510 620 --10 170 Unit V mV uA 20 pF REV. 1, Oct-2010, KSHR07 RATING AND CHARACTERISTIC CURVES B0520WS thru B0540WS FIG.2- TYPICAL FORWORD CHARACTERISTICS FIG.1- FORWARD CURRENT DERATING CURVE 10 0.75 0.625 0.5 0.375 0.25 CURRENT, (A) 0.875 IF , INSTANTANEOUS FORWARD IO , AVERAGE FO RWARD CURRENT, (A) 1 1 B0540WS B0520WS 0.1 B0530WS Tj=25C Pulse width=300us, 2% duty claye 0.125 0.01 0 0 0 25 50 75 100 125 150 175 O 0.2 0.4 0.6 0.8 V F, INSTANTANEOUS FORWARD VOLTAGE, (V) TL, LEAD TEMAERA TURE, ( C) FIG.3- TYPICAL JUNCTION CAPACITANCE CT, CAPACITANCE, (pF) 1000 100 10 Tj=25C, f=1MHz 1 0 10 20 VR , REVERSE VOLTAGE, (V) Device Marking : Device P/N B0520WS B0530WS B0540WS Marking SD SE SF Equivalent Circuit Diagram 1 Legal Disclaimer Notice B0520WS thru B0540WS 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.