B120L thru B140L Surface Mount Schottky Barrier Rectifiers REVERSE VOLTAGE 20 TO 40 VOLTS FORWARD CURRENT 1.0 AMPERE Features: * Low profile package * Ideal for automated placement * Guard Ring for over voltage protection * Low forward voltage drop * Component in accordance to RoHS 2002/95/EC SMA(DO-214AC) Mechanical Data * Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 * Terminals: Lead Free Plating (Tin Finish). Solderable per MIL-STD-202, Method 208 * Polarity: Cathode Band * Weight: 0.062 grams (approximate) SMA Outline Dimension Unit:mm B A Dim A B C D E G H J C D J G H E WEITRON http://www.weitron.com.tw 1/3 SMA Min 2.20 4.00 1.27 0.15 4.48 0.10 0.76 1.70 Max 2.92 4.60 1.63 0.31 5.59 0.20 1.52 2.62 26-Jan-2011 B120L thru B140L (TA=25°C unless otherwise noted) Characteristic Symbol B120 B140L Maximum Recurrent Peak Reverse Voltage VRRM 20 40 Maximum RMS Voltage VRMS 16 32 Maximum DC Blocking Voltage VDC 20 40 Maximum Average Forward Rectified Current IF 1.0 IFSM 35.0 Unit Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Maximum Instantaneous At 1.0A @Tj=25 C Maximum DC Reverse Current @Tj=25 C At Rated DC Blocking Voltage @Tj=100 C Operating Temperature Range Storage Temperature Range VF 0.38 0.40 IR 1.0 100.0 TJ -25 to+125 TSTG -50 to+150 NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC. WEITRON http://www.weitron.com.tw 2/3 26-Jan-2011 B120L thru B140L 100.00 INSTANTANEOUS FORWARD CURRENT (A) AVERAGE FORWARD CURRENT,(A) 2.0 1.6 1.2 0.8 0.4 10.00 1.00 B120L 0.10 B140L 0.01 0.0 0 20 40 60 80 100 120 140 0.2 160 0.4 0.8 1.0 FIG. 2-TYPICAL FORWARD CHARACTERISTICS FIG. 1-TYPICAL FORWARD CURRENT DERATING CURVE 100.000 REVERSE LEAKAGE CURRENT (mA) 50 PEAK FORWARD SURGE CURRENT (A) 0.6 FORWARD VOLTAGE (V) AMBIENT TEMPERATURE (℃) 40 30 20 10 10.000 1.000 0.100 0.010 25℃ 100℃ 0.001 0 1 10 20% 100 40% 60% 80% 100% PERCENTAGE RATED PEAK REVERSE VOLTAGE (%) NUMBER OF CYCLES AT 60Hz FIG. 3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG. 4-TYPICAL REVERSE CHARACTERISTICS JUNCTION CAPACITANCE (pF) 1000 800 600 400 200 0 0 1 10 100 REVERSE VOLTAGE (V) FIG. 5-TYPICAL JUNCTION CAPACITANCE WEITRON http://www.weitron.com.tw 3/3 26-Jan-2011