Super Low VF SMD Schottky Barrier Rectifiers CDBA140SL-HF Reverse Voltage: 40 Volts Forward Current: 1.0 Amp RoHS Device Halogen free DO-214AC (SMA) Features -Low Profile surface mounted application in order to optimize board space. 0.067 (1.70) 0.114 (2.90) 0.047 (1.20) 0.083 (2.10) -Low power loss, high efficiency. -High current capability, low forward voltage drop. 0.187 (4.75) 0.157 (4.00) -Ultra high-speed switching. -Silicon epitaxial planar chip, metal silicon junction. 0.012 (0.30) TYP. Mechanical data 0.098 (2.50) -Epoxy: UL94-V0 rate flame retardant. 0.067 (1.70) -Case: Molded plastic, DO-214AC / SMA 0.008(0.20) 0.061 (1.55) 0.003(0.08) -Terminals: Gold plated, solderable per MIL-STD-750, 0.030 (0.75) 0.224 (5.70) method 2026. 0.185 (4.70) -Polarity: Indicated by cathode band. Dimensions in inches and (millimeter) -Weight: 0.055 grams Maximum Ratings and Electrical Characteristics Ratings at Ta=25C unless otherwise noted. Single phase, half wave, 60Hz, resistive or inductive loaded. For capacitive load, derate current by 20% . Symbol Units Parameter CDBA140SL-HF Max. Repetitive peak reverse voltage VRRM 40 V Max. DC blocking voltage VR 40 V Max. RMS voltage VRMS 28 V Max. forward voltage 1.0A, TA=25C VF 0.33 V Operating Temperature TJ -55 to +100 C Symbol Parameter Conditions MIN. TYP. MAX. Units see Fig.1 Forward rectified current IO 1.0 A 8.3ms single half sine-wave superimposed Forward surge current IFSM 30 A on rate load (JEDEC method) VR =VRRM TA=25C IR 2 mA Reverse current VR =VRRM TA=100C IR 20 mA Thermal resistance Junction to ambient R JA 70 C/W Diode junction capacitance f=1MHZ and applied 4V DC reverse Voltage CJ 160 pF Storage temperature TSTG -55 +150 C Company reserves the right to improve product design , functions and reliability without notice. REV: C QW-JL012 Page 1 Comchip Technology CO., LTD.Super Low VF SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBA140SL-HF) Fig.1 - Typical Forward Current Fig.2 - Typical Forward Characteristics Derating Curve 10 1.2 TA=150C TA=125C 1.0 1.0 TA=100C 0.8 0.6 TA=75C 0.1 0.4 Single Phase TA=50C Half Wave 60Hz Resistive or Inductive Load 0.2 TA=25C 0 0.01 0 20 40 60 80 100 120 140 160 0 0.1 0.2 0.3 0.4 0.5 Ambient Temperature, (C) Forward Voltage, (V) Fig.3 - Maximum Non-repetitive Fig.4 - Typical Junction Capacitance Forward Surge Current 50 350 TJ=25C 8.3ms single half sine wave, JEDEC method 300 40 250 30 200 150 20 100 10 50 0 0 1 10 100 0.01 0.1 1 10 100 Number of Cycles at 60Hz Reverse Voltage, (V) Fig.5 - Typical Reverse Characteristics 100 TJ=100 C 10 1.0 TJ=25 C 0.1 0.01 0 20 40 60 80 100 120 140 Percent of Rated Peak Reverse Voltage, (%) Company reserves the right to improve product design , functions and reliability without notice. REV: C QW-JL012 Page 2 Comchip Technology CO., LTD. Reverse Leakage Current, (mA) Average Forward Current, (A) Peak Forward Surge Current, (A) Junction Capacitance, (pF) Instantaneous Forward Current, (A)