WSCD202 Series Surface Mount Schottky Barrier Rectifiers SCHOTTKY BARRIER RECTIFIERS 2.0 AMPERES 20-100 VOLTS P b Lead(Pb)-Free Features: * Plastic package has Underwriters Laboratory Flammability * Classification 94V-0 * Low profile package * Built-in strain relief * Metal to silicon rectifier , majority carrier conduction * Low power loss , High efficiency * High current capability * High surge capacity * For using in low voltage high frequency switching power supply, inverters , free wheeling , and polarity protection applications 1206 Mechanical Data: * Case : Packed with FRP substrate and epoxy underfilled * Terminals : Solder plated , solderable per MIL-STD-750, Method 2026 * Polarit y : Laser marking * Weight : 0.02 gram 1206 Outline Dimension G R 0.40 C B A Unit:mm Cathode Band D E WEITRON http://www.weitron.com.tw 1/3 Dim A B C D E G 1206 Min 3.20 1.70 1.60 0.86 0.50 0.05 Max 3.60 2.10 1.16 0.90 17-May-07 WSCD202 Series Maximum Ratings and Electrical Characteristics Rating 25°C Ambient Temperature Unless Otherwise Specified. Single Phase HalfWave, 60Hz , Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. Characteristics Symbol 202 203 204 206 210 Unit Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 60 100 V Maximum RMS Voltage VRMS 20 30 40 60 100 V Maximum DC Blocking Voltage VDC 20 30 40 60 100 V Maximum Average Forward Rectified Current See Fig.1 IF(AV) 2.0 A Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC) IFSM 40 A Maximum Instantaneous At 2.0A DC VF Maximum DC Reverse Current @Ta = 25°C At Rated DC BlockingVoltage @Ta = 100°C IR 0.5 10 mA RθJA RθJL 75 17 °C/W TJ -50 to +125 °C TSTG -65 to +150 °C Typical Thermal Resistance2 OperatingTemperature Range StorageTemperature Range 0.5 0.7 0.85 V Notes: 1.Pulse test width PW=300 usec, 1% duty cycle. 2. Mounted on P.C. board with 0.2 x 0.2” (5.0 x 5.0mm) copper pad areas. WEITRON http://www.weitron.com.tw 2/3 17-May-07 WSCD202 Series RATING AND CHARACTERISTIC CURVES 60 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 2.0 RESISTIVE OR INDUCTIVE LOAD P.C.B. MOUNTED ON 0.2X0.2"(5.0X5.0mm) COPPER PAD AREAS WSCD206~WSCD210 1.0 WSCD202~WSCD204 0 0 50 70 90 110 130 150 170 50 8.3ms Single Half Sine-Wave (JEDEC Method) 40 30 20 10 0 1 10 NUMBER OF CYCLES AT 60Hz o LEAD TEMPERATURE, C FIG.1 - FORWARD CURRENT DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 100 INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES IINSTANTANEOUS FORWARD CURRENT, AMPERES 10.00 WSCD202~WSCD204 WSCD210 1.00 0.10 100 WSCD206 10 o TJ=100 C 1.0 0.10 o TJ=25 C 0.01 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 0.001 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE,% FIG.4 - TYPICAL REVERSE CHARACTERISTICS 400 JUNCTION CAPACITANCE, pF 0 o TJ = 25 C f=1.0MHz Vsig=50mVP-P 100 10 .1 1.0 10 100 REVERSE VOLTAGE, VOLTS FIG.5 - TYPICAL JUNCTION CAPACITANCE WEITRON http://www.weitron.com.tw 3/3 17-May-07