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 automatic insertion. - For general purpose switching applications. 3 0.056 (1.40) 0.047 (1.20) - High conductance. 1 2 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) 0.035 (0.90) - Terminals: Solder plated, solderable per MILSTD-750, Method 2026. 0.103 (2.60) 0.086 (2.20) 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=25°C unless otherwise noted) Symbol Limits Unit Non-Repetitive peak reverse voltage VRM 100 V Peak repetitive peak reverse voltage Working peak reverse voltage DC blocking voltage VRRM VRWM VR 75 V VR(RMS) 53 V Forward continuous current IFM 500 mA Average rectified output current IO 250 mA IFSM 4.0 2.0 A PD 350 mW Thermal resistance-Junction to ambient air RθJA 357 °C/W Storage temperature range TSTG -65 ~ +150 °C Parameter RMS reverse voltage Peak forward surge current @1μS @1.0S Power dissipation Electrical Characteristics (at Ta=25°C unless otherwise noted) Parameter Symbol Test Conditions Min Max Unit 0.62 0.72 0.855 1.0 1.25 V 2.5 25 μA nA Forward voltage VF1 VF2 VF3 VF4 IF1=5mA IF2=10mA IF3=100mA IF4=150mA Reverse current IR1 IR2 VR1=75V VR2=20V Capacitance between terminals CT VR=0V, f=1MHz 4 pF Reverse recovery time trr IF=IR=10mA, Irr=0.1xIR, RL=100Ω 4 nS Company reserves the right to improve product design , functions and reliability without notice. QW-B0022 REV:B Page 1 SMD Switching Diode Characteristic Curves (CDST-4448-G) Fig.1 - Forward Characteristics 1000 Fig.2 - Leakage Current vs Junction Temperature 10000 O Leakage Current, (nA) Forward Current, (mA) TJ=25 C 100 10 1 1000 100 10 0.1 VR=20V 0.01 1 0 1 2 Instananeous Forward Voltage, (V) 0 100 Junction Temperature, (°C) Company reserves the right to improve product design , functions and reliability without notice. QW-B0022 200 REV:B Page 2 SMD Switching Diode Reel Taping Specification P1 XXX B F E d P0 12 o 0 D2 D1 D W1 SOT-23 SOT-23 SYMBOL A B C d D D1 D2 (mm) 3.15 ± 0.10 2.77 ± 0.10 1.22 ± 0.10 1.50 + 0.10 178 ± 2.00 54.40 ± 1.00 13.00 ± 1.00 (inch) 0.124 ± 0.004 0.109 ± 0.004 0.048 ± 0.004 0.059 + 0.004 7.008 ± 0.079 2.142 ± 0.039 0.512 ± 0.039 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 + 0.30 /–0.10 12.30 ± 1.0 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.315 + 0.012 /–0.004 0.484 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. QW-B0022 REV:B Page 3 SMD Switching Diode Marking Code 3 Part Number Marking Code CDST-4448-G KA3 XXX 1 2 xx = Product type marking code Suggested PAD Layout E SOT-23 SIZE (mm) (inch) A 0.80 0.031 B 1.90 0.075 C 2.02 0.080 D 2.82 0.111 A C D B E 0.80 0.031 Standard Packaging REEL PACK Case Type SOT-23 REEL Reel Size ( pcs ) (inch) 3,000 7 REV:B QW-B0022 Page 4