SMD Switching Diode CDSQR400B-HF RoHS Device Halogen Free Features - High Speed. 0402/SOD-923F - Designed for mounting on small surface. - Extremely thin/leadless package. 0.041(1.05) 0.037(0.95) - Low leakage current. - High mounting capability, strong surge 0.026(0.65) withstand, high reliability. 0.022(0.55) Mechanical data - Case: 0402/SOD-923F standard package, molded plastic. 0.022(0.55) - Terminals: Gold plated, Solderable per 0.018(0.45) MIL-STD-750,method 2026. 0.014(0.35) 0.010(0.25) - Polarity: Indicated by cathode band. - Mounting position: Any. - Weight: 0.001 grams(approx.). 0.020(0.50) Circuit diagram 0.016(0.40) 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 90 V Reverse voltage VR 80 V Average forward current IO 100 mA 8.3 ms single half sine-wave superimposed Forward current, surge peak IFSM 1000 mA on rate load (JEDEC method) Power dissipation PD 125 mW O Operating temperature range Tj -40 +125 C O Storage temperature range TSTG -55 +125 C Electrical Characteristics (at TA=25 C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit Forward voltage IF = 100 mA DC VF 1.0 V Reverse current VR = 80V IR 0.1 uA Capacitance between terminals f = 1MHz, and 0.5V DC reverse voltage CT 3 PF Reverse recovery time VR = 6V, IF = 10mA, RL = 50 ohms Trr 4 nS Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-G0009 Page 1 Comchip Technology CO., LTD.SMD Switching Diode RATING AND CHARACTERISTIC CURVES (CDSQR400B-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 1000 10u O 125 C 100 1u O 75 C 10 100n 1 10n O 25 C 0.1 1n O -25 C 0.1n 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 10 20 30 40 50 60 70 80 90 100 Forward Voltage, (V) Reverse Voltage, (V) Fig.3 - Capacitance Between Fig.4 - Current Derating Curve Terminals Characteristics 5 f=1MHz Mounting on glass epoxy PCBs Ta = 25C 100 4 80 3 60 2 40 1 20 0 0 0 5 10 15 20 25 30 35 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:C QW-G0009 Page 2 Comchip Technology CO., LTD. O 125 C O 75 C O 25 C O -25 C Forward Current, (mA ) Capacitance Between Terminals, (pF) Average Forward Current, ( % ) Reverse Current, ( A )