Low VF SMD Schottky Barrier Rectifiers CDBA220L-G Thru. CDBA240LL-G Forward Current: 2.0A Reverse Voltage: 20~40V RoHS Device DO-214AC (SMA) Features -Ideally for surface mount applications. -Easy pick and place. 0.067(1.70) 0.051(1.29) 0.110(2.79) 0.086(2.18) -Plastic package has Underwriters Lab. flammability classification 94V-0. 0.180(4.57) 0.160(4.06) -Built-in strain relief. -Super low forward voltage drop. 0.012(0.31) 0.006(0.15) Mechanical Data 0.091(2.31) 0.067(1.70) -Case: JEDEC DO-214AC molded plastic. 0.008(0.20) 0.004(0.10) 0.059(1.50) 0.035(0.89) -Terminals: solderable per MIL-STD-750, method 2026. 0.209(5.31) 0.185(4.70) -Polarity: Color band denotes cathode end. Dimensions in inches and (millimeters) -Approx. Weight: 0.063 grams. Maximum Ratings and Electrical Characteristics O (at TA=25 C unless otherwise noted) Symbol CDBA220L-G Max. repetitive peak reverse voltage VRRM 20 20 40 40 V Max. DC blocking voltage VDC 20 20 40 40 V Max. RMS voltage VRMS 14 14 28 28 V Peak surge forward current, 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 50 A Max. average forward current IO 2.0 A Max. instantaneous forward current at 2.0A VF Parameter Max. DC reverse current at TA=25 rated DC blocking voltage TA=80 Max. thermal resistance (Note 1) Max. operating junction temperature Storage temperature range O C C O 0.38 CDBA220LL-G CDBA240L-G CDBA240LL-G 0.34 0.40 Unit V 0.36 IR 1.0 40 RθJA RθJA 75 17 TJ 125 O C TSTG -50 ~ +150 O C mA O C/W 2 Note1: Thermal resistance from junction to ambient and junction to lead P.C.B. mounted on 0.2×0.2 inch copper pad areas. Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 1 QW-BL004 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers ELECTRICAL CHARACTERISTIC CURVES (CDBA220L-G Thru. CDBA240LL-G) Fig.1 - Reverse Characteristics Fig.2 - Forward Characteristics 10 100 1 10 IF, Forward Current (A) IR, Reverse Current (mA) CDBA220LL-G 1 O TJ=75 C 0.1 CDBA220L-G 0.1 0.01 TJ=25 OC Pulse width=300μS 4% duty cycle TJ=25 OC 0.001 0.01 0 40 80 120 200 160 0.1 0 Fig.3 - Junction Capacitance 0.4 0.5 10 f=1MHz and applied 4VDC reverse voltage 600 CDBA240LL-G IF, Forward Current (A) CT, Junction Capacitance (pF) 0.3 Fig.4 - Forward Characteristics 700 500 CD BA 400 CD 300 BA 2 200 20 L-G 22 0L L / 2 40 L- -G /2 40 LL -G G 1 CDBA240L-G 0.1 0.01 TJ=25 OC Pulse width=300μS 4% duty cycle 100 0 0.01 0.001 0.1 1 10 100 0.1 0 VR, Reverse Voltage (V) 0.2 0.3 0.4 0.5 VF, Forward Voltage (V) Fig.5 - Non-Repetitive Forward Surge Current Fig.6 - Current Derating Curve 75 2.8 8.3mS single half sine-wave, JEDEC method IO, Average Forward Current (A) IFSM, Peak Forward Surge Current (A) 0.2 VF, Forward Voltage (V) Percent of Rated Peak Reverse Voltage (%) 60 45 30 15 TJ=25 OC 0 1 10 100 2.4 2.0 1.6 1.2 0.8 0.4 0 20 Number of Cycles at 60Hz 40 60 80 100 120 140 160 TA, Ambient Temperature ( °C) Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 2 QW-BL004 Comchip Technology CO., LTD.