CDST-4448-G Comchip

SMD Switching Diode - CDST-4448-G High Speed + RoHS Device Features SOT-23 - Fast switching diode. 0.119 (3.00) 0.110 (2.80) - Surface mount package ideally suited for 3 automatic insertion. 0.056 (1.40) - For general purpose switching applications. 0.047 (1.20) 1 2 - High conductance. 0.083 (2.10) 0.066 (1.70) Mechanical data 0.006 (0.15) 0.003 (0.08) - Case: SOT-23 0.041 (1.05) 0.103 (2.60) 0.035 (0.90) 0.086 (2.20) - Terminals: Solder plated, solderable per MIL- STD-750, Method 2026. 0.006 (0.15) max - Weight: 0.008 grams(approx.). 0.020 (0.50) 0.012 (0.30) 0.007 (0.20) min 3 Dimensions in inches and (millimeters) 1 2 Maximum Rating (at Ta=25C unless otherwise noted) Symbol Parameter Limits Unit Non-Repetitive peak reverse voltage VRM 100 V Peak repetitive peak reverse voltage VRRM Working peak reverse voltage VRWM 75 V DC blocking voltage VR RMS reverse voltage VR(RMS) 53 V Forward continuous current IFM mA 500 Average rectified output current IO mA 250 4.0 Peak forward surge current 1S A IFSM 1.0S 2.0 Power dissipation PD 350 mW RJA Thermal resistance-Junction to ambient air 357 C/W TSTG Storage temperature range -65 ~ +150 C Electrical Characteristics (at Ta=25C unless otherwise noted) Symbol Parameter Test Conditions Min Max Unit VF1 IF1=5mA 0.62 0.72 VF2 IF2=10mA 0.855 Forward voltage V VF3 IF3=100mA 1.0 VF4 IF4=150mA 1.25 VR1=75V IR1 2.5 A Reverse current IR2 VR2=20V 25 nA Capacitance between terminals VR=0V, f=1MHz pF CT 4 IF=IR=10mA, Irr=0.1xIR, Reverse recovery time trr 4 nS RL=100 Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-B0022 Page 1SMD Switching Diode Characteristic Curves (CDST-4448-G) Fig.1 - Forward Characteristics Fig.2 - Leakage Current vs Junction Temperature 1000 10000 O TJ=25 C 100 1000 10 100 1 10 0.1 VR=20V 1 0.01 0 0 1 2 100 200 Junction Temperature, (C) Instananeous Forward Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-B0022 Page 2 Forward Current, (mA) Leakage Current, (nA)