SMD Switching Diode SMD Diodes Specialist CDST4448-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. 3 -For general purpose switching applications. 0.056 (1.40) 0.047 (1.20) -High conductance. 1 2 0.083 (2.10) 0.006 (0.15) 0.002 (0.05) 0.066 (1.70) Mechanical data 0.103 (2.60) 0.086 (2.20) 0.044 (1.10) 0.035 (0.90) Case: SOT-23 Terminals: Solder plated, solderable per MILSTD-750, Method 2026. 0.006 (0.15) max 0.020 (0.50) 0.013 (0.35) 0.007 (0.20) min Weight: 0.008 gram. Marking: KA3 Dimensions in inches and (millimeters) Maximum Rating (at T A =25 C unless otherwise noted) O Symbol Limits Unit Non-Repetitive peak reverse voltage V RM 100 V Peak repetitive peak reverse voltage Working peak reverse voltage DC blocking voltage V RRM V RWM VR 75 V V R(RMS) 53 V Forward continuous current I FM 500 mA Average rectified output current IO 250 mA I FSM 4.0 2.0 A PD 350 mW Thermal resistance-Junction to ambient air R θJA 357 Storage temperature range T STG -65 ~ +150 Parameter RMS reverse voltage Peak forward surge current @1μS @1.0S Power dissipation O C/W O C Electrical Characteristics (at T A =25 C unless otherwise noted) O 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 V F1 V F2 V F3 V F4 I F1 =5mA I F2 =10mA I F3 =100mA I F4 =150mA Reverse current I R1 I R2 V R1 =75V V R2 =20V Capacitance between terminals CT V R =0V, f=1MHz 4 pF Reverse recovery time t rr I F =I R =10mA, Irr=0.1I R , R L =100Ω 4 nS REV:A QW-B0022 Page 1 SMD Switching Diode SMD Diodes Specialist Characteristic Curves (CDST4448-G) Fig. 1 - Forward Characteristics Fig. 2 - Leakage Current vs Junction Temperature 1000 10000 I R , Leakage Current (nA) I F , Forward Current (mA) O T J =25 C 100 10 1 0.1 1000 100 10 V R =20V 0.01 0 1 1 V F , Instananeous Forward Voltage (V) 2 0 100 200 T J , Junction Temperature ( OC) REV:A QW-B0022 Page 2