SMD Schottky Barrier Diode CDBUR0320/0330/0340-HF Io = 350 mA VR = 20 to 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. - Terminals: Gold plated, solderable per 0.043(1.10) BSC. MIL-STD-750,method 2026 BSC. - Polarity: Indicated by cathode band. 0.030(0.75) - Mounting position: Any 0.026(0.65) - Weight: 0.003 grams(approx.). 0.020(0.50) 0.016(0.40) Circuit Diagram Dimensions in inches and (millimeter) Maximum Rating (at TA=25C unless otherwise noted) Symbol Parameter CDBUR0320-HF CDBUR0330-HF CDBUR0340-HF Unit Repetitive Peak reverse voltage VRRM 20 30 40 V Reverse voltage VR 20 30 40 V RMS reverse voltage VR(MS) 14 21 28 V Average forward rectified current IO 350 mA Peak forward surge current IFSM 1.5 A 8.3 ms single half sine-wave Power dissipation PD 150 mA Thermal resistance junction to ambient air R JA 667 C/W Junction temperature Tj +125 C Storage temperature range TSTG -65 to +125 C Electrical Characteristics (at TA=25C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit 5 CDBUR0320-HF VR = 10V Reverse current uA CDBUR0330-HF VR = 20V IR 5 CDBUR0340-HF VR = 30V 5 IF = 20mA 0.37 Forward voltage VF V IF = 200mA 0.60 Capacitance between terminals f = 1 MHZ, and 0V DC reverse voltage pF CT 50 Reverse recovery time IF = IR, Irr = 0.1XIR, RL = 100 ohm nS Trr 6.4 Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-A1077 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Diode RATING AND CHARACTERISTIC CURVES (CDBUR0320/0330/0340-HF) Fig. 1 - Forward Characteristics Fig. 2 - Reverse Characteristics 1000 1m O 125 C 100u 100 10 O 75 C 10u 1 1u O 25 C 0.1 100n 0.01 10n 0 0.1 0.2 0.3 0.4 0.5 0.6 0 10 20 30 40 Forward Voltage, (V) Reverse Voltage, (V) Fig.3 - Capacitance Between Fig.4 - Current Derating Curve Terminals Characteristics 50 120 f=1MHz Mounting on glass epoxy PCBs O TA=25 C 100 40 80 30 60 20 40 10 20 0 0 0 10 20 30 40 0 25 50 75 100 125 150 O Reverse Voltage, (V) Ambient Temperature, ( C) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-A1077 Page 2 Comchip Technology CO., LTD. O 25C O 75 C O -25 C O 125 C Capacitance Between Terminals, (PF) Forward Current, (mA ) Average Forward Current, (%) Reverse Current, ( A )