SMD Schottky Barrier Rectifiers CDBA320-G Thru. CDBA3100-G Reverse Voltage: 20 to 100 Volts Forward Current: 3.0 Amp RoHS Device Halogen Free Features DO-214AC (SMA) -Ideal for surface mount applications. 0.177(4.50) 0.157(3.99) -Easy pick and place. 0.065(1.65) 0.110(2.79) -Plastic package has Underwriters Lab. 0.049(1.25) 0.100(2.54) flammability classification 94V-0. -Built-in strain relief. -Low forward voltage drop. 0.208(5.28) 0.193(4.90) 0.012(0.305) 0.006(0.152) Mechanical data 0.090(2.29) 0.078(1.98) -Case: JEDEC DO-214AC, molded plastic. 0.060(1.52) 0.005(0.127) max -Terminals: solderable per MIL-STD-750, 0.030(0.76) method 2026. -Polarity: Color band denotes cathode end. -Approx. weight: 0.063 grams Dimensions in inches and (millimeter) Maximum Ratings and Electrical Characteristics CDBA CDBA CDBA CDBA CDBA Parameter Symbol Units 320-G 340-G 360-G 380-G 3100-G Max. repetitive peak reverse voltage VRRM 20 40 60 80 100 V Max. DC blocking voltage VDC 20 40 60 80 100 V Max. RMS voltage VRMS 14 28 42 56 70 V Peak surge forward current, 8.3ms single half sine-wave superimposed A IFSM 80 on rate load (JEDEC method) Max. average forward current IO 3.0 A Max. instantaneous forward voltage at VF 0.50 0.70 0.85 V 3.0A Max. DC reverse current at TA=25C 0.5 IR mA rated DC blocking voltage TA=100C 20 10 R JA 50 Max. thermal resistance (Note 1) C/W R JL 12 Max. operating junction temperature TJ -55 to +150 C Storage temperature TSTG -55 to +150 C Notes: 1. Thermal resistance from junction to ambient and junction to lead mounted on P.C.B. with 0.20.2 inch copper pad area. Company reserves the right to improve product design , functions and reliability without notice. REV:D QW-BB009 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBA320-G thru CDBA3100-G) Fig.1- Typical Forward Current Fig.2- Non-repetitive Forward Surge Current Derating Curve 3.5 120 O TJ=25 C 3.0 8.3ms single half sine 100 wave, JEDEC method 2.5 80 2.0 60 1.5 Single Phase Half Wave 40 60Hz Inductive or Resistive Load 1.0 0.375*(9.5mm)Lead Length 20 0.5 0 0 0 25 50 75 100 125 150 175 1 10 100 O Ambient Temperature ( C) Number of Cycles at 60Hz Fig.4- Reverse Characteristics Fig.3- Forward Characteristics 100 100 CDBA320-G~340-G CDBA360-G 10 10 1 1 CDBA380-G~3100-G O TJ=75 C 0.1 0.1 O TJ=25 C Pulse width 300 S 4% duty cycle O TJ=25 C 0.01 0.01 0 40 80 120 160 200 0.1 0.5 0.9 1.3 1.7 2.1 Percent of Rated Peak Reverse Voltage (%) Forward Voltage (V) Fig.5- Junction Capacitance 700 O TJ=25 C f=1MHz and applied 4VDC reverse voltage 600 500 400 300 200 100 0 0.01 0.1 1 10 100 REV:D QW-BB009 Page 2 Comchip Technology CO., LTD. Reverse Voltage (V) Forward Current (A) Average Forward Current,(A) Junction Capacitance,(PF) REVERSE Current (mA) Peak Forward Surge Current (A)