SMD Schottky Barrier Rectifiers CDBFN140-HF Thru CDBFN160-HF Voltage: 40 to 60 Volts Current: 1.0 Amp RoHS Device Halogen free Features SOD-323 - Batch process design, excellent power dissipation offers better reverse leakage current. 0.106 (2.70) 0.091 (2.30) - Low profile surface mounted application 0.012(0.3) Typ. in order to optimize board space. - Low power loss, high efficiency. 0.057 (1.45) - High current capability, low forward voltage dorp. 0.041 (1.05) - High surge capability. - Guard ring for overvoltage protection. - Very tiny plastic SMD package. - Ultra high-speed switching. 0.047 (1.2) - Silicon epitaxial planar chip, metal silicon junction. 0.031 (0.8) - Lead-free parts meet environmental 0.016(0.4) Typ. 0.016(0.4) Typ. standards of MIL-STD-19500 /228 Mechanical data Dimensions in inches and (millimeter) - Case: JEDEC SOD-323 , Molded plastic - Terminals: Solde plated, solderable per MIL-STD-750, method 2026. Circuit Diagram - Polarity: Indicated by cathode band. - Mounting position: Any - Weight:0.008 grams(approx.). Maximum Ratings (at TA=25C unless otherwise noted) CDBFN CDBFN Symbol Parameter Unit 140-HF 160-HF Repetitive peak reverse voltage VRRM 40 60 V Maximum RMS voltage VRMS 28 42 V Continuous reverse voltage VR 40 60 V Maximum forward voltage IF=1.0A VF 0.55 0.70 V Forward rectified current IO 1.0 A Forward surge current, 8.3ms half sine wave IFSM 30 A superimposed on rated load (JEDEC method) VR=VRRM TJ =25C 0.5 Maximum Reverse current IR mA VR=VRRM TJ =100C 10 Typ. Thermal resistance, junction to ambient air R JA 90 C/W Typ. Diode junction capacitance (Note 1) CJ 120 pF Operating junction temperature TJ -55 to +125 -55 to +150 C Storage temperature TSTG -65 to +175 C Note 1: f=1MHz and applied 4V DC reverse voltage. Company reserves the right to improve product design , functions and reliability without notice. REV:D QW-JB001 Page 1 Comchip Technology CO., LTD.CDBFN160-HF CDBFN140-HF SMD Schottky Barrier Rectifiers Ratings and Characteristic Curves(CDBFN140-HF Thru CDBFN160-HF) Fig.1- Typical Forward Current Fig.2- Typical Forward Characteristics Derating Curve 1.3 100 1.0 10 1 0.5 0.1 O TJ=25 C Pulse width 300 s 1% duty cycle 0 0.01 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 0 50 100 150 200 Lead Temperature, (C) Forward Voltage, (V) Fig.3 - Maximum Non-repetitive Fig.4 - Typical Junction Capacitance Forward Surge Current 30 350 O TJ=25 C 8.3ms single half sine wave, JEDEC 300 method 250 20 200 150 10 100 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 10 1 O TJ=75 C 0.1 O TJ=25 C 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:D QW-JB001 Page 2 Comchip Technology CO., LTD. CDBFN140-HF CDBFN160-HF Reverse Current, (mA) Peak Forward Surge Current, (A) Average Forward Current, (A) Instantaneous Forward Current, (A) Junction Capacitance, (pF)