Comchip Low VF SMD Schottky Barrier Rectifiers SMD Diode Specialist CDBMTS140L-HF Reverse Voltage: 40 Volts Forward Current: 1.0 Amp RoHS Device Halogen Free SOD-123S Features 0.154(3.90) 0.138(3.50) - 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. - Guard ring for overvoltage protection. - Ultra high-speed switching. - Silicon epitaxial planar chip, metal silicon junction. 0.018(0.45) Typ. 0.043(1.10) 0.028(0.70) 0.079(2.00) 0.063(1.60) 0.118(3.00) 0.102(2.60) 0.009(0.22) 0.007(0.18) Mechanical data 0.039(1.00) 0.035(0.90) 0.032(0.80) Typ. - Epoxy: UL94-V0 rated flame retardant. - Case: Molded plastic, SOD-123S/MINI SMA - Terminals: Solderable per MIL-STD-750, Method 2026. - Polarity: Indicated by cathode band. - Mounting Position: any - Weight: 0.0155 grams(approx.) 0.032(0.80) Typ. Dimensions in inches and (millimeter) Circuit Diagram 1 2 Maximum Ratings (at T =25°C unless otherwise noted) A Symbol Parameter Min Typ Max Unit Repetitive peak reverse voltage VRRM 40 V RMS Voltage VRMS 28 V VR 40 V Continuous reverse voltage Junction to ambient R ΘJA 53 Junction to case R ΘJc 35 Thermal resistance °C/W Operating temperature range TJ -55 +100 °C TSTG -65 +175 °C Symbol Min Max Unit IO 1 A IFSM 30 A V Storage temperature range Electrical Characteristics (at T =25°C unless otherwise noted) A Parameter Conditions Forward rectified current Typ Forward surge current 8.3ms single half sine-wave superimposed on rate load(JEDEC method) Forward voltage IF = 1 A VF 0.4 VR = VRWM , TJ = 25°C IR 1.0 VR = VRWM , TJ = 75°C IR 20 f=1MHZ and applied 4V DC reverse voltage CJ Reverse current Diode Junction capacitance 130 mA pF Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JL037 Page 1 Comchip Technology CO., LTD. Comchip Low VF SMD Schottky Barrier Rectifiers SMD Diode Specialist Rating and Typical Characteristic Curves ( CDBMTS140L-HF ) Fig.2- Typical Forward Current Derating Curve Fig.1- Typical Forward Characteristics 10 1 0.1 TJ=25°C Pulse Width 300US 1% Duty Cycle Average Forward Current, (A) Instantaneous Forward Current, (A) 100 1.2 1.0 0.8 0.6 0.4 0.2 0 0.01 0.1 0.3 0.5 0.7 0.9 1.1 1.3 0 1.5 Forward Voltage, (V) 40 60 80 100 120 140 Ambient Temperature, (°C) Fig.4 - Maximum Non-Repetitive Forward Surge Current Fig.3 - Typical Reverse Characteristics 30 Peak Forward Surge Current, (A) 1000 Reverse Leakage Current, (mA) 20 100 10 TJ=75 OC 1 O TJ=25 C O TJ=25 C 8.3ms single half sine wave, JEDEC method 20 10 0 0.1 0 20 40 60 80 100 120 140 1 Percent 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) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JL037 Page 2 Comchip Technology CO., LTD. Comchip Low VF SMD Schottky Barrier Rectifiers SMD Diode Specialist Reel Taping Specification P0 d P1 E Index hole T F W B P A C 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... ....... ....... 160mm (min) Start 400mm (min) Direction of Feed SOD-123S SOD-123S 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 ± 2.00 62.0 MIN. 13.0 ± 0.50 (inch) 0.079 ± 0.004 0.152 ± 0.004 0.043 ± 0.004 0.059 ± 0.004 7.00 ± 0.079 2.440 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 ± 1.0 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.009 ± 0.004 0.315 ± 0.012 0.449 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JL037 Page 3 Comchip Technology CO., LTD. Comchip Low VF SMD Schottky Barrier Rectifiers SMD Diode Specialist Marking Code Part Number Marking Code CDBMTS140L-HF L4 XX xx / xxx = Product type marking code Suggested PAD Layout SOD-123S SIZE C (mm) (inch) A 1.10 0.043 B 1.00 0.039 C 2.00 0.079 A B Standard Packaging REEL PACK Case Type SOD-123S REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JL037 Page 4 Comchip Technology CO., LTD.