Low VF Low IR SMD Schottky Barrier Rectifiers CDBM140LR-G Reverse Voltage: 40 Volts Forward Current: 1.0 Amp RoHS Device SOD-123F Features 0.154(3.90) 0.138(3.50) 0.012(0.30) Typ. -Low reverse leakage current. -Hight current capability,Low forward voltage drop . -Hight surge capability . 0.071(1.90) 0.055(1.50) -Guardring for over voltage protection. -Ultra high-speed switching. -Silicon epitaxial planar chip,metal silicon junction. Mechanical data 0.067(1.70) 0.051(1.30) -Case: SOD-123F, molded plastic. -Terminals: solderable per MIL-STD-750, method 2026 0.028(0.70) Typ. 0.028(0.70) Typ. -Polarity: Color band denotes cathode end. Dimensions in inches and (millimeter) -Weight: 0.0004 ounces, 0.010 grams Maximum Ratings (at TA=25°C unless otherwise noted) Parameter Conditions Symbol Min Typ Max Unit Maximum Recurrent peak reverse voltage VRRM 40 V Maximum RMS Voltage VRMS 28 V DC Blocking voltage VDC 40 V Operating temperature TJ +125 °C -50 Electrical Characteristics (at T =25°C unless otherwise noted) A Parameter Conditions Average forward current Symbol Min Typ Max Unit IO 1 A IFSM 30 A 0.45 V 200 uA Forward current,surge peak 8.3ms single half sine-wave superimposed on rate load(JEDEC method) Forward voltage IF = 1 A VF Reverse current VR = 30 V , TA= 25°C IR Thermal resistance Junction to ambient Diode Junction capacitance f=1MHZ and applied 4V DC reverse voltage Storage temperature 0.4 RθJA 98 °C/W CJ 200 pF TSTG -50 +150 °C REV:A Page 1 QW-BL010 Comchip Technology CO., LTD. Low VF Low IR SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBM140LR-G) Fig.2 Typical Forward Characteristics Fig.1 Typical Forward Current Derating Curve 100 Instantaneous Forward Current,(A) 1.4 Average Forward Current,(A) 1.2 1.0 0.8 0.6 0.4 0.2 1 0.1 0.01 0 0 25 50 75 100 125 150 0 175 0.4 0.8 1.2 1.6 2.0 Ambient Temperature (°C) Forward Voltage (V) Fig.3 Non-repetitive Forward Surge Current Fig.4 -Typical Reverse Characteristics 60 100 TJ=25°C 8.3ms single half sine wave, JEDEC method 50 Average Forward Current,(A) P e a k F o r w a r d S u r g e Cur r e n t,(A ) Tj=25°C Pulse width 300us 1% duty cycle 10 40 30 20 10 10 1 TJ=75°C 0.1 TJ=25°C 0 1 10 100 Number of Cycles at 60Hz 0.01 0 40 80 120 160 200 Percent of Rated Peak Reverse Voltage (%) Fig.5 Typical Junction Capacitance 700 Junction Capacitance,(pF) 600 500 400 300 200 100 0 0.01 0.1 1 10 100 Reverse Voltage (V) REV:A Page 2 QW-BL010 Comchip Technology CO., LTD. Low VF Low IR SMD Schottky Barrier Rectifiers Reel Taping Specification d P0 P1 T E Index hole F W B Polarity P C A 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... ....... ....... 10 pitches (min) Start 10 pitches (min) Direction of Feed SOD-123F SOD-123F SYMBOL A B C d D D1 D2 (mm) 1.90 ± 0.10 3.90 ± 0.10 1.68 ± 0.10 1.50 ± 0.10 178.00 ± 2.00 62.00 MIN. 13.0 ± 0.50 (inch) 0.075 ± 0.004 0.154± 0.004 0.114 ± 0.004 0.059 ± 0.004 7.008 ± 0.079 2.441 MIN. 0.512 ± 0.020 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 11.40± 1.0 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.002 0.315 ± 0.008 0.449± 0.039 REV:A Page 3 QW-BL010 Comchip Technology CO., LTD. Low VF Low IR SMD Schottky Barrier Rectifiers Marking Code Part Number Marking Code CDBM140LR-G 24 XX x x = Product type marking code Suggested PAD Layout E SOT-123F SIZE (mm) (inch) D A 1.90 0.075 C B 1.40 0.055 C 1.90 0.075 D 3.30 0.130 A B E 4.70 0.185 Standard Packaging REEL PACK Case Type SOT-123F REEL Reel Size ( pcs ) (inch) 2,500 7 REV:A Page 4 QW-BL010 Comchip Technology CO., LTD.