B240LA SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS REVERSE VOLTAGE FORWARD CURRENT FEATURES - - 40 Volts 2.0 Amperes SMA * For surface mounted applications * Metal-Semiconductor junction with guard ring * Epitaxial construction * Very Low forward voltage drop * High current capability * Plastic material has UL flammability classification 94V-0 * For use in low voltage, high frequency inverters, free wheeling, and polarity protection application MECHANICAL DATA * Case: Molded plastic * Polarity: Indicated by cathode band * Weight:0.002 ounces, 0.064 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. CHARACTERISTICS SYMBOL B240LA UNIT Maximum Repetitive Peak Reverse Voltage VRRM 40 V Maximum RMS Voltage VRMS 28 V Maximum DC Blocking Voltage VDC 40 A IAV 2.0 A IFSM 25 A V Maximum Average Forward Rectified Current @TC=100C Peak Forward Surge 8.3ms single half sine-wave superimposed on rated load(JEDEC METHOD) Maximum Instantaneous Forward Voltage @IF=2.0A;Tj=25C @IF=2.0A;Tj=125C @IF=4.0A;Tj=25C @IF=4.0A;Tj=125C VF 0.43 0.375 0.54 0.55 Maximum DC Reverse Current at Rated DC Blocking Voltage @VR=20V;Tj=25C @VR=20V;Tj=100C @VR=40V;Tj=25C @VR=40V;Tj=100C IR 0.5 15 2.0 30 mA Cj 260 pF RJC 26 C/W Typical Junction Capacitance (Note 1) Typical Thermal Resistance (Note 2) Operating Junction Temperature Range Storage Temperature Range Tj -55 to +125 TSTG -55 to +150 Note : (1) Measured at 1.0MHz and applied reverse voltage of 4.0V DC... (2) Thermal Resistance Junction to Case C C REV.5, Oct-2010, KSHA12 RATING AND CHARACTERISTIC CURVES B240LA FIG.1- FORWARD CURRENT DERATING CURVE FIG.2- MAXIMUM NON-REPETITIVE SURGE CURRENT 30 PEAK FORWARD SURGE CURRENT , (A) AVERAGE FORWARD CURRENT, (A) 2.5 2 1.5 1 Mounted on glass-epoxy substrate with 1oz/ft2_7x5 mm copper pad. 0.5 25 20 15 10 5 8.3ms Single Half Sine-Wave 0 0 0 25 50 75 100 1 125 10 FIG.3- TYPICAL JUNCTION CAPACITANCE FIG.4- TYPICAL FORWARD CHARACTE RISTICS 10 INSTANTANEOUS FORWARD CURRENT , ( A) CAPACITANCE, (pF) 1000 100 Tj=25, f=1MHz 10 1 0.1 Tj=25 PULSE WIDTH 300us 2% Duty Cycle 0.01 0.1 1 10 100 0 REVERSE VOLT AGE, VOLTAGES 0.1 0.2 0.3 0.4 0.5 0.6 INSTANTANEOUS FORWARD VOLTAGE, VOLT S FIG.5- TYPICAL REVERSE CHARACTERISTICS FIG.6- DC REVERSE VOLTAGE DERATING CURVE 120 PERCENT OF DC REVERSE VOLTAGE, (%) 100 INSTANT ANEOUS REVERSE CURRENT, (mA) 100 NUMBER OF CYCLES AT 60Hz CASE TEMPERATURE, ( ) 10 Tj=100 1 0.1 Tj=25 0.01 100 80 60 40 Mounted on glass-epoxy substrate with 1oz/ft2_7x5 mm copper pad. Rth j-a in Still-air =60/W 20 0 0.001 0 20 40 60 80 100 120 PERCENT OF RAT ED PEAK REVERSE VOLTAGE, (%) 140 0 25 50 75 AMBIENT TEMPERATURE, ( ) 100 125 Legal Disclaimer Notice B240LA 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.