SMD Schottky Barrier Diode CDBQC54-HF High-Reliability and High-Performance Io = 200 mA VR = 30 Volts RoHS Device 0402C/SOD-923F Halogen Free 0.041(1.05) 0.037(0.95) Features 0.026(0.65) - Low forward voltage. 0.022(0.55) - Designed for mounting on small surface. - Extremely thin/leadless package. - Majority carrier conduction. 0.022(0.55) Mechanical data 0.018(0.45) - Case: 0402C/SOD-923F standard package, 0.001(0.02) molded plastic. Max. 0.026(0.65) - Terminals: Gold plated, solderable per BSC. MIL-STD-750, method 2026. - Polarity: Indicated by cathode band. 0.022(0.55) - Mounting position: Any. 0.018(0.45) - Weight: 0.001 grams (approx.). 0.012(0.30) 0.008(0.20) Circuit Diagram Dimensions in inches and (millimeter) Maximum Rating (at TA=25C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit Peak reverse voltage VRM 30 V Reverse voltage VR 30 V RMS reverse voltage VR(RMS) 21 V Average forward rectied current IO 200 mA Repetitive peak forward current IFRM 0.3 A 8.3ms single half sine-wave superimposed Peak forward surge current IFSM 0.6 A on rate load (JEDEC method) Power dissipation PD 125 mW Operating temperature range Tj -65 +125 C Storage temperature range TSTG -65 +125 C Electrical Characteristics (at TA=25C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit IF = 0.1mA 0.24 Forward voltage IF = 30mA VF 0.5 V IF = 100mA 1 Reverse breakdown voltage V(BR) IB = 0.01mA 30 V A Reverse current VR = 25V IR 0.5 Capacitance between terminals f = 1MHz, and 1 VDC reverse voltage pF CT 10 Reverse recovery time IF = IR = 10mA, Irr = 0.1 x IR, RL = 100 ohm Trr 5 nS Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G1138 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Diode Typical Rating and Characteristic Curves (CDBQC54-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 1000 1000 125C 100 100 100C 125C 10 75C 100C 10 1 50C 75C 50C 1 25C25C 0.1 25C25C 0.1 0.01 0 0.2 0.4 0.6 0.8 0 10 20 30 Forward Voltage, (V) Reverse Voltage, (V) Fig.3 - Typical Capacitance Between Fig.4 - Current Derating Curve Terminals Characteristics 20 120 f=1MHz TA=25C Mounting on glass epoxy PCBs 100 15 80 10 60 40 5 20 0 0 0 10 20 30 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:A QW-G1138 Page 2 Comchip Technology CO., LTD. Capacitance Between Terminals, (pF) Forward Current, (mA) Average Forward Current, (%) Reverse Current, (A)