SMD Schottky Barrier Rectifier COMCHIP www.comchip.com.tw CDBA320L Thru CDBA340LL Reverse Voltage: 20 - 40 Volts Forward Current: 3.0 Amp Features DO-214AC (SMA) Ideal for surface mount applications Easy pick and place Built-in strain relief Super low forward voltage drop 0.067(1.70) 0.051(1.29) 0.110(2.79) 0.086(2.18) 0.180(4.57) 0.160(4.06) Mechanical data 0.012(0.31) 0.006(0.15) Case: Molded plastic Epoxy: UL 94V-0 rate flame retardant Metallurgically bonded construction Polarity: Color band denotes cathode end Mounting position: Any Weight: 0.063 grams 0.091(2.31) 0.067(1.70) 0.059(1.50) 0.035(0.89) 0.209(5.31) 0.185(4.70) 0.008(0.20) 0.004(0.10) Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characterics TYPE NUMBER Maximum Recurrent Peak Revers e Voltage Maximum RMS Voltage Maximum DC Blocking Voltage CDBA320L CDBA320LL CDBA340L CDBA340LL 20 20 40 40 14 14 28 28 20 20 40 40 UNITS V V V Maximum Average Forward Rectified Current 3.0 A Peak Forward Surge Current, 8.3 ms single half sinewave superimposed on rated load (JEDEC method) 90 A Maximum Instantaneous Forward Voltage at 3.0A 0.42 0.38 0.45 0.4 V 1.5 60 mA Operating Temperature Range T J -25 to +80 °C Storage Temperature Range T STG -50 to +125 °C Maximum DC Reverse Current at Rated DC Blocking Voltage T a = 25°C Ta = 80°C Rating 25 C ambient temperature unless otherwise specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Note 1: Thermal resistance from junction to ambient and junction to to lead P.C.B. Mounted on 0.2 x 0.2 copper pad areas MDS0209002A Page 1 SMD Schottky Barrier Rectifier COMCHIP www.comchip.com.tw Rating and Characteristic Curves (CDBA320L Thru CDBA340LL) FIG.2-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 3.0 2.4 1.8 20 L~ 1.2 B CD 4 A3 0.6 L 0L 0 20 40 60 80 100 120 140 160 180 200 AMBIENT TEMPERATURE (°C) PEAK FORWARD SURGE CURRENT,(A) 100 3.6 3 BA CD AVERAGE FORWARD CURRENT,(A) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 80 60 Tj=25°C 8.3ms Single Half Sine Wave 40 JEDEC method 20 0 1 5 50 10 NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL JUNCTION CAPACITANCE 600 FIG.4 - TYPICAL REVERSE CHARACTERISTICS 500 CD BA 32 400 100 0L ~C DB A3 4 0L 300 LL 200 100 0 .01 .05 .1 .5 1 REVERSE VOLTAGE (V) 5 10 50 100 REVERSE LEAKAGE CURRENT, (mA) JUNCTION CAPACITANCE,(pF) 700 10 1.0 Tj=75°C .1 Tj=25°C .01 0 20 40 60 80 100 120 140 PERCENTAGE RATED PEAK REVERSE VOLTAGE MDS0209002A Page 2 100 SMD Schottky Barrier Rectifier COMCHIP www.comchip.com.tw Rating and Characteristic Curves (CDBA320L Thru CDBA340LL) FIG. 5 (For CDBA320L) FIG. 6 (For CDBA320LL) TYPICAL FORWARD CHARACTERISTICS FORWARD CURRENT (MILLIAMPERES) TYPICAL FORWARD CHARACTERISTICS FORWARD CURRENT (MILLIAMPERES) Tj=125°C 1E+03 1E+03 Tj=100°C Tj=25°C 1E+01 100 200 300 400 500 600 1E+00 1E+00 1E+01 1E+02 1E+02 Tj=25°C 0 100 FORWARD VOLTAGE (MILLIVOLTS) FIG. 7 (For CDBA340L) 300 400 500 600 FIG. 8 (For CDBA340LL) TYPICAL FORWARD CHARACTERISTICS FORWARD CURRENT (MILLIAMPERES) 200 FORWARD VOLTAGE (MILLIVOLTS) TYPICAL FORWARD CHARACTERISTICS FORWARD CURRENT (MILLIAMPERES) Tj=125°C 1E+03 1E+03 Tj=100°C 0 100 200 300 400 FORWARD VOLTAGE (MILLIVOLTS) MDS0209002A 500 600 1E+00 1E+01 1E+01 1E+00 Tj=25°C 1E+02 1E+02 Tj=25°C 0 100 200 300 400 500 600 FORWARD VOLTAGE (MILLIVOLTS) Page 3