SMD Schottky Barrier Diodes CDBW120-G Thru. CDBW140-G Forward current: 1.0A Reverse voltage: 20 to 40V RoHS Device Features SOD-123 -For use in low voltage, high frequency inverters. -Free wheeling, and polarity protection applications. 0.152(3.85) 0.140(3.55) Mechanical Data -Case: SOD-123, molded plastic. -Terminals: solderable per MIL-STD-750, method 2026. -Polarity: indicated by cathode end. -Weight: 0.0097 gram(approx.). 0.026(0.65) 0.018(0.45) 0.067(1.70) 0.059(1.50) 0.110(2.80) 0.102(2.60) Marking 0.049(1.25) 0.041(1.05) 0.006 (0.15) 0.003 (0.08) CDBW120-G: SJ 0.004(0.10) Max. CDBW130-G: SK 0.020 (0.50) REF CDBW140-G: SL Dimensions in inches and (millimeter) Circuit Diagram Maximum Ratings (At Ta=25°C, unless otherwise noted) Symbol CDBW120-G CDBW130-G CDBW140-G Unit Non-repetitive peak reverse voltage VRM 20 30 40 V Peak repetitive peak reverse voltage Working peak reverse voltage DC blocking voltage VRRM VRWM VR 20 30 40 V VR(RMS) 14 21 28 V Parameter RMS reverse voltage Average rectified output current IO 1 A Peak forward surge current @8.3ms IFSM 9 A Repetitive peak forward current IFRM 1.5 A PD 500 mW RθJA 250 °C/W Junction temperature TJ -55 ~ +125 °C Storage temperature TSTG -55 ~ +150 °C Power dissipation Thermal resistance, junction to ambient Company reserves the right to improve product design , functions and reliability without notice. REV:E Page 1 QW-BB020 Comchip Technology CO., LTD. SMD Schottky Barrier Diodes Electrical Characteristics (At Ta=25°C, unless otherwise noted) Parameter Conditions Symbol Min. 20 30 40 Reverse breakdown voltage CDBW120-G CDBW130-G CDBW140-G IR=1mA VBR Reverse voltage leakage current CDBW120-G CDBW130-G CDBW140-G VR=20V VR=30V VR=40V IR CDBW120-G CDBW130-G CDBW140-G IF=1A Forward voltage 1 mA 0.45 0.55 0.60 V 0.75 0.875 0.90 IF=3A VR=4V, f=1MHz Unit V VF CDBW120-G CDBW130-G CDBW140-G Diode capacitance Max. CD Company reserves the right to improve product design , functions and reliability without notice. 120 pF REV:E Page 2 QW-BB020 Comchip Technology CO., LTD. SMD Schottky Barrier Diodes RATING AND CHARACTERISTIC CURVES (CDBW120-G Thru. CDBW140-G) Fig.2- Maximum Non-Repetitive Peak Forward Surge Current Fig.1- Power Derating Curve 600 Peak Forward Surge Current, (A) 30 Power Dissipation, (mW) 500 400 300 200 100 0 20 15 10 5 0 0 50 25 75 100 125 175 150 1 10 100 Ambient Temperature, (°C) Number of Cycles at 60Hz Fig.3- Typical Instantaneous Forward Characteristics Fig.4- Typical Reverse Characteristics 10 100 Instantaneous Reverse Voltage, (mA) Instantaneous Forward Current, (A) 25 O TJ=100 C 1 O TJ=25 C 0.1 10 Ta=100°C 1.0 0.1 Ta=25°C 0.01 0.001 0 0.4 0.8 1.2 0 2.0 1.6 10 20 30 40 Instantaneous Forward Voltage, (V) Reverse Voltage, (V) Fig.5- Typical Junction Capacitance Fig.6- Typical Transient Thermal Impedance 1000 100 O Transient Thermal Impedance, (°CW) Junction Capacitance, (pF) TJ=25 C f=1MHz 100 10 0.1 1 10 20 10 1 0.1 0.01 Reverse Voltage, (V) 0.1 1 10 100 t-Pulse Duration (Sec.) Company reserves the right to improve product design , functions and reliability without notice. REV:E Page 3 QW-BB020 Comchip Technology CO., LTD. SMD Schottky Barrier Diodes Reel Taping Specification T XX C 12 o 0 D2 D1 D W1 SOD-123 SOD-123 SYMBOL A B C d D D1 D2 (mm) 1.85 ± 0.05 3.94 ± 0.05 1.57 ± 0.05 1.55 ± 0.10 178 ± 2.00 54.40 ± 1.00 13.00 ± 1.00 (inch) 0.073 ± 0.002 0.155 ± 0.002 0.062 ± 0.002 0.061 ± 0.004 7.008 ± 0.079 2.142 ± 0.039 0.512 ± 0.039 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 + 0.30 /–0.10 12.30 ± 1.0 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.315 + 0.012 /–0.004 0.484 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV:E Page 4 QW-BB020 Comchip Technology CO., LTD. SMD Schottky Barrier Diodes Marking Code Part Number Marking Code CDBW120-G SJ CDBW130-G SK CDBW140-G SL XX xx = Product type marking code Suggested PAD Layout SOD-123 SIZE (mm) (inch) A 3.24 0.128 B 0.80 0.031 C 1.00 0.039 D 4.04 0.159 E 2.44 0.096 D A E C B Standard Packaging REEL PACK Case Type SOD-123 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:E Page 5 QW-BB020 Comchip Technology CO., LTD.