Diodes SMD Type Surface Mount Fast Switching Diodes 1N4148WS SOD-323 +0.05 0.85-0.05 +0.05 0.3-0.05 +0.1 1.7-0.1 Unit: mm +0.1 1.3-0.1 Features Fast Switching Speed +0.1 2.6-0.1 For General Purpose Switching Applications 1.0max High Conductance 0.375 +0.05 0.1-0.02 0.475 Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit 100 V 75 V Non-repetitive peak reverse voltage VRM Peak repetitive reverse voltage VRRM Working peak reverse voltage VRWM DC blocking voltage VR RMS reverse voltage VR(RMS) 53 V Average rectified output current IO 150 mA Forward continuous current IFM 300 mA Non-repetitive peak forward surge current@ t = 1.0s 1.0 IFSM @ t = 1.0 us PD 350 mW RèJA 625 K/W Tj,Tstg -65 to +150 Power dissipation * Typical thermal resistance, junction to ambient air* Operating and storage temperature range A 2.0 * Part mounted on FR-4 PC board with recommended pad layout, Electrical Characteristics Ta = 25 Parameter Symbol Reverse Breakdown Voltage Forwarad voltage V(BR)R VFM Testconditons IR = 1.0 Min Typ Max 75 A Unit V IF = 10mA 0.715 IF = 10mA 0.855 IF = 50mA 1.0 IF = 150mA 1.25 VR = 75V 1.0 VR = 75V, Tj = 150 50 VR = 25V, Tj = 150 30 V A Peak reverse current IRM VR = 20V 25 nA Capacitance CT VR = 0, f = 1.0MHz 2.0 pF Reverse recovery time trr IF = IR =10mA,Irr = 0.1 4.0 ns IR, RL = 100 Ù Marking Marking T4 www.kexin.com.cn 1 Diodes SMD Type 1N4148WS Typical Characteristics Fig.1 Power Derating Curve Fig.2 Forward Characteristics Fig. 3 Leakage Current vs Junction Temperature 2 www.kexin.com.cn