Diodes SMD Type Surface Mount Fast Switching Diodes 1N4448W SOD-123 Unit: mm 2.7 +0.05 1.1-0.05 +0.1 1.6-0.1 +0.1 0.55-0.1 +0.1 -0.1 Features +0.1 3.7-0.1 Fast Switching Speed 0.50 Surface Mount Package Ideally Suited for Automatic Insertion 0.35 +0.05 0.1-0.02 For General Purpose Switching Applications 0.1max High Conductance Absolute Maximum Ratings Ta = 25 Parameter Non-Repetitive Peak Reverse Voltage Symbol Rating Unit VRM 100 V 75 V Peak Repetitive Reverse Voltage VRRM Working Peak Reverse Voltage VRWM DC Blocking Voltage VR RMS Reverse Voltage VR(RMS) 53 V Forward Continuous Current IFM 500 mA Average Rectified Output Current IO 250 mA Non-Repetitive Peak Forward Surge Current t = 1.0 s IFSM Power Dissipation Thermal Resistance Junction to Ambient Air Operating and Storage Temperature Range 4.0 A 2.0 t = 1.0s PD R JA Tj,TSTG 400 mW 315 /W -65 to +150 www.kexin.com.cn 1 Diodes SMD Type 1N4448W Electrical Characteristics Ta = 25 Parameter Symbol Reverse Breakdown Voltage (*) V(BR)R Forward Voltage (*) VF Leakage Current (*) IR Testconditons 75 IF = 5.0mA 0.62 Typ Max Unit V 0.72 IF = 10mA 0.855 IF = 100mA 1.0 IF = 150mA 1.25 VR = 75V 2.5 VR = 75V, Tj = 150 50 VR = 25V, Tj = 150 30 V A VR = 20V 25 nA Total Capacitance CT VR = 0, f = 1.0MHz 4.0 pF Reverse Recovery Time trr IF = IR = 10mA, Irr = 0.1 x IR, RL =100 4.0 ns * Short duration test pulse used to minimize self-heating effect. Marking Marking 2 Min IR = 10 A T5 www.kexin.com.cn