1SS357

1SS357 Surface Mount Schottky Barrier Diode P b Lead(Pb)-Free SCHOTTKY BARRIER 100m AMPERES 40 VOLTS Features: * Low Forward Voltage : VF = 0.28(Typ.) @ IF = 1mA * Low Reverse Current : IR = 5µA(Max.) * Small outline Surface mount SOD-323 Package Mechanical Data: * Terminals : Solderable Per MIL-STD-202 Method 208 * Polarity : See Equivalent Circuit Diagram. * Weight : 0.004 grams(approx) 1 2 SOD-323 SOD-323 Outline Dimensions MILLMETERS Min Max Unit:mm Dim http://www.weitron.com.tw WEITRON 1/3 13-Sep-05 1SS357 MAXIMUM RATING (TA=25˚C) Characteristics Peak Reverse Voltage Continuous Reverse Voltage Average Rectified Forward Current Peak Forward Surge Current Junction Temperature Storage Temperature Symbol VRM VR IO IFSM Tj Tstg Value 45 40 100 1.0 125 -55 to+125 Unit V V mA A °C °C ELECTRICAL CHARACTERISTICS (TA=25˚C) Characteristics Maximum Instantneous Forward Voltage IF=1mA IF=10mA IF=100mA Maximum Instantneous Reverse Current VR=40V Capacitance Between terminals VR=0V, f=1MHz Symbol Min Typ 0.28 0.36 Max Unit VF V 0.6 IR CT 5 25 µA pF Device Marking & Equivalent Circuit diagram Item 1SS357 Marking S31 Equivalent Circuit diagram 1 2 http://www.weitron.com.tw WEITRON 2/3 13-Sep-05 1SS357 Electrical Characteristic Curves ( TA=25˚C Unless Specified Otherwise) 300 FORWARD CURRENT IF (mA) 100 30 10 -25˚C TA=100˚C 100 30 REVERSE CURRENT IR(µA) 10 3 1 0.3 0.1 0.03 0.01 0.003 0.001 0.0003 0.0001 50˚C 25˚C 0˚C -25˚C TA=100˚C 75˚C 3 1 0.3 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 25˚C 0 10 20 30 40 50 Fig.1 Forward Characteristics FORWARD VOLTAGE :VF (V) REVERSE VOLTAGE: VR(V) FIG.2 Reverse Characteristics CAPACITANCE BETWEEN TERMINAL CT(pF) 100 50 30 10 5 3 1 0 4 8 12 16 20 24 28 32 36 REVERSE VOLTAGE:VR(V) FIG.3 Capacitance Between Terminal Chacteristics http://www.weitron.com.tw WEITRON 3/3 12-Sep-05