Low VF SMD Schottky Barrier Rectifiers CDBMT220L-G Thru. CDBMT240L-G Reverse Voltage: 20 to 40 Volts Forward Current: 2.0 Amp RoHS Device Features SOD-123H -Excellent power dissipation offers better reverse leakage current and thermal resistance. -Low profile surface mounted application in order to optimize board space. -Low power loss, high efficiency. -High current capability,low forward voltage drop. -High surge capability. -Guarding for overvoltage protection. -Ultra high-speed switching. -Silicon epitaxial planar chip,metal silicon junction. -Lead-free part meets environmental standards of MIL-STD-19500/228 0.146(3.7) 0.130(3.3) 0.018(0.45) 0.006(0.15) 0.071(1.8) 0.055(1.4) 0.006(0.15) 0.002(0.05) 0.040(1.0) 0.024(0.6) Mechanical data 0.035(0.9) 0.028(0.7) 0.035(0.9) 0.028(0.7) -Case: Mini SMA/SOD-123H , molded plastic. -Terminals: solderable per MIL-STD-750, method 2026. -Polarity: Indicated by cathode band. Dimensions in inches and (millimeter) -Approx. weight: 0.011 grams Maximum Ratings and Electrical Characteristics (at T =25°C unless otherwise noted) A Parameter Symbol CDBMT220L-G CDBMT230L-G CDBMT240L-G Units VRRM 20 30 40 V VR 20 30 40 V Max. RMS Voltage VRMS 14 21 28 V Max. Forward Surge Current 8.3ms single half sine-wave superimposed on rate load (JEDEC method) IFSM 50 A Max. Forward Rectified Current (Fig.2) IO 2.0 A Max. Forward Voltage @IF=2.0A VF Max. Reverse Current @TA=25°C IR 1.0 mA RθJA 70 °C/W CJ 160 pF TSTG -65 to +175 °C TJ -55 to +100 °C Max. Repetitive Peak Reverse Voltage Continuous Reverse Voltage Typ. Thermal Resistance Junction to Ambient Typ. Diode Junction Capacitance f=1MHz and applied 4V DC reverse voltage Storage Temperature Operating Temperature 0.38 0.40 0.40 Company reserves the right to improve product design , functions and reliability without notice. V REV:B Page 1 QW-BL012 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBMT220L-G thru CDBMT240L-G) Fig.1 - Typical Forward Characteristics Fig.2 - Typical Forward Current Derating Curve 2.8 10 CD 2 T2 BM C 0L Average Forward Current, (A) Instantaneous Forward Current, (A) 100 -G 23 MT DB 4 ~2 -G 0L 0L -G 1 0.1 TJ=25°C Pulse width=300μs 1% Duty cycle 0.01 0.1 2.4 2.0 1.6 1.2 0.8 0.4 0 0.3 0.5 0.7 0.9 1.1 1.3 1.5 0 25 50 75 100 125 150 Forward Voltage, (V) Lead Temperature, (°C) Fig.3 - Typical Revrse Characteristics Fig.4 - Maximum Non-repetitive Forward Surge Current 175 60 1000 Peak Forward surge Current, (A) Reverse leakage Current, (mA) O 100 10 O TJ=75 C 1 O TJ=25 C 50 40 30 TJ=25°C 20 10 0 0.1 0 20 40 60 80 100 120 140 TJ=25 C 8.3ms single half sine wave, JEDEC method 1 Percentage of Rated Peak Reverse Voltage, (%) 10 100 Number of cycles at 60Hz Fig.5 - Typical Junction Capacitance Junction Capacitance, (pF) 350 300 250 200 150 100 50 0 0.01 0.1 1 10 100 Reverse Voltage, (V) REV:B Page 2 QW-BL012 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers Reel Taping Specification d P0 P1 T E Index hole F W B C P A 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... ....... ....... 10 pitches (min) Start 10 pitches (min) Direction of Feed SOD-123H SOD-123H SYMBOL A B C d D D1 D2 (mm) 2.00 ± 0.10 3.85 ± 0.10 1.10 ± 0.10 1.50 ± 0.10 178.00 ± 2.00 62.00 (min) 13.00 ± 0.50 (inch) 0.079 ± 0.004 0.152 ± 0.004 0.043 ± 0.004 0.059 ± 0.004 7.007 ± 0.079 2.441 (min) 0.512 ± 0.020 SYMBOL E F P P0 P1 T W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 0.23 ± 0.10 8.00 ± 0.30 11.40 ± 1.00 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.009 ± 0.04 0.315 ± 0.012 0.449 ± 0.039 REV:B Page 3 QW-BL012 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers Marking Code Part Number Marking Code CDBMT220L-G L22 CDBMT230L-G L23 CDBMT240L-G L24 XXX XXX= Product type marking code Suggested PAD Layout SOD-123H D SIZE (mm) (inch) A 3.00 0.118 B 1.30 0.051 A E C C 1.80 0.071 D 4.30 0.169 E 1.70 0.067 B Standard Packaging REEL PACK Case Type SOD-123H REEL Reel Size ( pcs ) (inch) 3,000 7 REV:B Page 4 QW-BL012 Comchip Technology CO., LTD.