Low VF SMD Schottky Diodes CDBQC0240L-HF Io = 200 mA VR = 40 Volts RoHS Device Halogen Free 0402C/SOD-923F Features 0.041(1.05) 0.037(0.95) - Low forward voltage. - Designed for mounting on small surface. - Extremely thin package. 0.026(0.65) 0.022(0.55) - Majority carrier conduction. Mechanical data - Case: 0402/SOD-923F standard package, 0.022(0.55) molded plastic. 0.018(0.45) - Terminals: Matte tin plated, solderable per 0.012(0.30) 0.001(0.02) 0.008(0.20) MIL-STD-750, method 2026. Max. - Polarity: Cathode band & BV - Mounting position: Any - Weight: 0.001 grams(approx.). 0.022(0.55) 0.018(0.45) Circuit Diagram Dimensions in inches and (millimeter) Maximum Rating (at TA=25 C 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 Peak forward surge current 8.3 ms single half sine-wave (1 cyc) IFSM 3 A Thermal resistance Junction to ambient R JA 200 C/W O Junction temperature Tj -40 +125 C O Storage temperature TSTG -40 +125 C Electrical Characteristics (at TA=25 C unless otherwise noted) Symbol Typ Parameter Min Max Unit Conditions IF = 10mA 0.25 0.30 Forward voltage VF 0.40 V IF = 100mA IF = 200mA 0.48 VR = 10V 10 Reverse current IR uA 30 VR = 30V Capacitance between terminals VR = 1V, f = 1 MHZ CT 14 20 pF Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G1112 Page 1 Comchip Technology CO., LTD.Low VF SMD Schottky Diodes RATING AND CHARACTERISTIC CURVES (CDBQC0240L-HF) Fig. 1 - Forward characteristics Fig.2 - Reverse characteristics 10000 1000 1000 O 100 TJ=125 C O O TJ=100 C TJ=100 C 100 O O TJ=75 C TJ=75 C O TJ=25 C 10 O O TJ=50 C TJ=50 C 10 O TJ=25 C 1 1 0 0 0 0.1 0.2 0.3 0.4 0.5 0 10 20 30 40 Forward voltage, (V) Reverse voltage, (V) Fig.3 - Typical capacitance between Fig.4 - Current derating curve terminals characteristics 30 25 100 80 20 60 15 40 10 20 5 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:A QW-G1112 Page 2 Comchip Technology CO., LTD. O TJ= 125 C Capacitance between terminals, (PF) Forward current, (mA ) Average forward current, (%) Reverse current, (uA )