SMD Schottky Barrier Diode CDBU40-HF Io = 200 mA VR = 40 Volts RoHS Device Halogen Free 0603/SOD-523F Features 0.071(1.80) 0.063(1.60) -Low forward voltage. -Designed for mounting on small surface. 0.039(1.00) 0.031(0.80) -Extremely thin / leadless package. -Majority carrier conduction. Mechanical data 0.033(0.85) 0.027(0.70) -Case: 0603/SOD-523F standard package, molded plastic. 0.014(0.35) Typ. -Terminals: Gold plated, solderable per MIL-STD-750,method 2026. 0.012 (0.30) Typ. -Marking code: cathode band & BC 0.028(0.70) Typ. -Mounting position: Any -Weight: 0.003 gram(approx.). Dimensions in inches and (millimeter) O Maximum Rating (at TA=25 C unless otherwise noted) Symbol Parameter Conditions Min Typ Max Unit Peak reverse voltage VRM 40 V Reverse voltage VR 40 V RMS reverse voltage VR(RMS) 28 V Average forward rectified current IO 200 mA 8.3 ms single half sine-wave superimposed Forward current,surge peak IFSM 0.6 A on rate load(JEDEC method) Power dissipation PD 150 mW O Storage temperature TSTG -65 +125 C O Junction temperature Tj +125 C O Electrical Characteristics (at TA=25 C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit IF = 1mA 0.38 Forward voltage VF V IF = 40mA 1 Reverse current VR = 30V IR 0.2 uA Capacitance between terminals f = 1 MHz, and 0 VDC reverse voltage pF CT 5 Reverse recovery time IF=IR=10mA,Irr=0.1xIR,RL=100 ohm 5 Trr nS REV:A QW-G1012 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Diode RATING AND CHARACTERISTIC CURVES (CDBU40-HF) Fig. 1 - Forward characteristics Fig. 2 - Reverse characteristics 1000 100u O 10u 125 C 100 1u O 75 C 10 100n O 1 25 C 10n O -25 C 0.1 1n 0 0.2 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 Forward voltage (V) Reverse voltage (V) Fig.3 - Capacitance between Fig.4 - Current derating curve terminals characteristics 4 120 Mounting on glass epoxy PCBs f=1MHz O 100 TA=25 C 3 80 60 2 40 1 20 0 0 0 10 20 30 40 0 25 50 75 100 125 150 O Reverse voltage (V) Ambient temperature ( C) REV:A QW-G1012 Page 2 Comchip Technology CO., LTD. O 125 C O 25 C O 75 C O -25 C Capacitance between terminals (PF) Forward current (mA ) Average forward current(%) Reverse current ( A )