SMD Schottky Barrier Diode CDBU0145-HF Io = 100 mA VR = 45 Volts RoHS Device Halogen Free Features 0603/SOD-523F - Designed for mounting on small surface. 0.071(1.80) 0.063(1.60) - Extremely thin / leadless package. - Low leakage current. (IR=0.1uA typ. VR=10V) 0.039(1.00) - Majority carrier conduction. 0.031(0.80) Mechanical data - Case: 0603/SOD-523F standard package, molded plastic. 0.033(0.85) 0.027(0.70) - Terminals: Gold plated, solderable per 0.018(0.45) MIL-STD-750,method 2026 0.012(0.30) - Polarity: Indicated by cathode band. 0.014(0.35) - Mounting position: Any 0.011(0.28) - Weight: 0.003 grams(approx.). 0.030(0.75) 0.026(0.65) Circuit Diagram Dimensions in inches and (millimeter) O Maximum Rating (at TA=25 C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit Repetitive peak reverse voltage 50 VRRM V Reverse voltage VR 45 V Average forward current IO 100 mA 8.3 ms single half sine-wave superimposed Forward current, surge peak IFSM 1 A on rate load(JEDEC method) Power dissipation PD 250 mW O Junction temperature Tj +125 C O Storage temperature TSTG -40 +125 C O Electrical Characteristics (at TA=25 C unless otherwise noted) Typ Symbol Parameter Conditions Min Max Unit Forward voltage IF = 100 mA DC VF 0.55 V Reverse current VR = 10V IR 1 uA Capacitance between terminals F = 1 MHZ and 10 VDC reverse voltage pF CT 9 Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-G1040 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Diode RATING AND CHARACTERISTIC CURVES (CDBU0145-HF) Fig. 1 - Forward characteristics Fig. 2 - Reverse characteristics 1000 10m 125 C 1m 100 100u 75 C 10 10u 1 25 C 1u 0.1 100n -25 C 0.01 10n 0.001 1n 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 10 20 30 40 Forward voltage, (V) Reverse voltage, (V) Fig. 3 - Capacitance between Fig. 4 - Current derating curve terminals characteristics 100 Mounting on glass epoxy PCBs f = 1 MHz Ta = 25 C 100 80 60 10 40 20 1 0 0 5 10 15 20 25 30 35 0 25 50 75 100 125 150 Reverse voltage, (V) Ambient temperature, ( C ) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-G1040 Page 2 Comchip Technology CO., LTD. O -25 C O 25 C O 125 C O 75 C Capacitance between terminals, (pF) Forward current, (mA ) Reverse current, ( A ) Average forward current, ( % )