SMD Schottky Barrier Rectiers CDBVFHT240-HF Reverse Voltage: 40 Volts Forward Current: 2.0 Amp RoHS Device SOD-323ST Halogen Free 0.106(2.70) 0.091(2.30) Features 0.039(0.98) 0.055(1.40) - Ultra small surface mount package. 0.031(0.78) 0.047(1.20) - Low forward voltage drop. 0.091(2.30) 0.083(2.10) Mechanical data 0.029(0.73) - Epoxy: UL94-V0 rated ame retardant. 0.025(0.63) 0.008(0.20) Max. - Case: Molded plastic, SOD-323ST. - Terminals: Solder plated, solderable per MIL-STD-750, method 2026. 0.003(0.08) Max. 0.039(1.00) - Polarity: Indicated by cathode band. 0.022(0.55) 0.059(1.50) 0.030(0.75) Circuit Diagram 0.043(1.10) 0.022(0.55) Dimensions in inches and (millimeter) Cathode Anode Maximum Rating (at Ta=25C unless otherwise noted) Symbol Parameter Conditions Value Unit Working peak reverse voltage VRWM 40 V Forward rectied current Io 2 A 8.3ms single half sine-wave superimposed Forward surge current IFSM 30 A on rate load (JEDEC method) Peak repetitive reverse surge current 2s - 1kHz IRRM 1 A Typical thermal resistance Junction to ambient R JA 700 C/W Operating junction temperature range TJ -55 to +150 C Storage temperature range TSTG -55 to +150 C Electrical Characteristics (at Ta=25C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit IF = 1A, TJ = 25C 380 Forward voltage drop IF = 2A, TJ = 25C VF 440 500 mV IF = 2A, TJ = 125C 380 VR = 40V, TJ = 25C 0.02 0.1 Reverse current IR mA VR = 40V, TJ = 125C 6 20 Reverse breakdown voltage IR = 0.5mA, TJ = 25C VBR 40 V Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JB097 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Rectiers Rating and Characteristic Curves (CDBVFHT240-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 10 20 10 TA=125C TA=100C TA=125C 1 1 TA=75C TA=100C 0.1 TA=50C TA=75C TA=50C 0.1 TA=25C 0.01 TA=25C 0.01 0.001 0 100 200 300 400 500 0 10 20 30 40 50 Forward Voltage, VF (mV) Reverse Voltage, VR (V) Fig.3 - Forward Power Dissipation Fig.4 - Forward Current Derating Curve 0.8 2.5 0.7 2.0 0.6 0.5 1.5 0.4 1.0 0.3 0.2 0.5 0.1 0 0 0 0.5 1.0 1.5 2.0 2.5 0 25 50 75 100 125 Average Forward Current, IF (A) Ambient Temperature, Ta (C) Fig.5 - Junction Capacitance 1000 100 10 1 0 5 10 15 20 25 Reverse Voltage, VR (V) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JB097 Page 2 Comchip Technology CO., LTD. Junction Capacitance, CJ (pF) Power Dissipation, PD (W) Instantaneous Forward Current, IF (A) Average Forward Current, IF(AV) (A) Instantaneous Reverse Current, IR (mA)