SMD Schottky Barrier Diode CDBQC0240LR-HF Io = 200 mA VR = 40 Volts RoHS Device Halogen Free 0402C/SOD-923F Features 0.041(1.05) 0.037(0.95) - Low reverse current, Low forward voltage. - Designed for mounting on small surface. 0.026(0.65) - Extremely thin / leadless package. 0.022(0.55) - Majority carrier conduction. Mechanical data 0.022(0.55) 0.018(0.45) - Case: 0402C / SOD-923F standard package, molded plastic. 0.012(0.30) 0.001(0.02) 0.008(0.20) Max. - Terminals: Matte tin plated, solderable per MIL-STD-750, method 2026. - Marking Code: cathode band & BX - Mounting position: Any. 0.022(0.55) - Weight: 0.001 grams(approx.). 0.018(0.45) Dimensions in inches and (millimeter) Circuit diagram Maximum Rating (at TA=25C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit Repetitive peak reverse voltage VRRM 40 V Reverse voltage VR 40 V Average forward rectified current IO 200 mA 8.3 ms single half sine-wave superimposed Peak forward surge current IFSM 3 A on rate load (JEDEC method) * 1cycle Power dissipation PD 320 mW Thermal resistance junction to ambient R JA 310 C/W Operating temperature range TJ -40 +125 C Storage temperature range TSTG -40 +125 C Electrical Characteristics (at TA=25C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit IF = 10mA VF 0.35 V Forward voltage IF = 100mA VF 0.48 V IF = 200mA VF 0.58 V VR = 10V 0.5 uA IR Reverse current VR = 40V IR 5 uA Capacitance f = 1 MHz, and 1 VDC reverse voltage pF CT 9 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G1122 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Diode RATING AND CHARACTERISTIC CURVES (CDBQC0240LR-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 1000 10000 1000 O TA=125 C 100 O O 100 TA=125 C TA=100 C O TA=100 C 10 TA=75C 10 O TA=75 C TA=50C 1.0 O TA=25C TA=50 C 1.0 0.1 O TA=25 C 0 0 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 - Typical Capacitance Between Fig.4 - Current Derating Curve Terminals Characteristics 25 Mounting on glass epoxy PCBs 100 20 80 15 60 10 40 5 20 0 0 0 0.5 10 0 25 50 75 100 125 O Reverse Voltage, (V) Ambient Temperature, ( C) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G1122 Page 2 Comchip Technology CO., LTD. Capacitance Between Terminals, (PF) Forward Current, (mA ) Average Forward Current, (%) Reverse Current, (uA )