SMD Schottky Barrier Diode CDBQR42/43-HF Io = 200 mA VR = 30 Volts RoHS Device 0402/SOD-923F Halogen Free 0.041(1.05) Features 0.037(0.95) -Low forward voltage. -Designed for mounting on small surface. 0.026(0.65) 0.022(0.55) -Extremely thin/leadless package. -Majority carrier conduction. Mechanical data 0.022(0.55) -Case: 0402/SOD-923F standard package, 0.018(0.45) molded plastic. 0.012(0.30) Typ. -Terminals: Gold plated, solderable per MIL-STD-750,method 2026. -Marking code: CDBQR42-HF : BD CDBQR43-HF : BE 0.020(0.50) Typ. -Mounting position: Any -Weight: 0.001 gram(approx.). Dimensions in inches and (millimeter) O Maximum Rating (at TA=25 C unless otherwise noted) Symbol Min Max Unit Parameter Conditions Typ Peak reverse voltage 30 VRM V Reverse voltage 30 VR V RMS reverse voltage VR(RMS) V 21 Average forward rectified current IO 200 mA Repetitive peak forward current IFRM 0.5 A 8.3 ms single half sine-wave superimposed Forward current,surge peak IFSM 4 A on rate load(JEDEC method) Power dissipation PD 125 mW Thermal resistance junction O R JA 667 C/W to ambient air O Storage temperature TSTG -55 +125 C O Junction temperature Tj +125 C O Electrical Characteristics (at TA=25 C unless otherwise noted) Typ Parameter Conditions Symbol Min Max Unit Forward voltage CDBQR42/43-HF IF = 200mA 1 CDBQR42-HF IF = 10mA 0.4 VF V CDBQR42-HF IF = 50mA 0.65 CDBQR43-HF IF = 2mA 0.33 CDBQR43-HF IF = 15mA 0.45 Reverse current VR = 25V IR 0.5 uA Capacitance between terminals f = 1 MHz, and 1 VDC reverse voltage pF CT 10 Reverse recovery time IF=IR=10mA,Irr=0.1xIR,RL=100 ohm Trr 5 nS REV:B QW-G1101 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Diode RATING AND CHARACTERISTIC CURVES (CDBQR42/43-HF) Fig. 1 - Forward characteristics Fig. 2 - Reverse characteristics 500 1m 100 100u O 125 C 10u 10 O 75 C 1u 1 100n O 25 C 0.1 10n 0 0.2 0.4 0.6 0.8 0 10 20 30 40 Forward voltage (V) Reverse voltage (V) Fig.3 - Capacitance between Fig.4 - Current derating curve terminals characteristics 16 120 f=1MHz Mounting on glass epoxy PCBs O 14 TA=25 C 100 12 80 10 60 8 6 40 4 20 2 0 0 0 5 10 15 20 25 30 35 0 25 50 75 100 125 150 O Reverse voltage (V) Ambient temperature ( C) REV:B QW-G1101 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 )