1N4148

1N4148 Silicon Epitaxial Planar Switching Diode Max. 0.5 Applications Max. 0.45 Min. 27.5 Max. 1.9 Black Cathode Band Black Part No. Black "ST" Brand This diode is also available in MiniMELF case Min. 27.5 Max. 1.9 • High-speed switching Black Cathode Band XXX Black Part No. Max. 3.9 ST XXX Max. 2.9 with the type designation LL4148 Min. 27.5 Min. 27.5 Glass Case DO-34 Dimensions in mm Glass Case DO-35 Dimensions in mm Absolute Maximum Ratings (Ta = 25 ) Parameter Symbol Value Unit Peak Reverse Voltage VRM 100 V Reverse Voltage VR 75 V IF(AV) 200 mA IFSM 0.5 1 4 A Ptot 500 mW Tj - 65 to + 200 Tstg - 65 to + 200 Symbol Max. Unit RθJL 350 /W Average Rectified Forward Current Non-repetitive Peak Forward Surge Current at t = 1 s at t = 1 ms at t = 1 μs Power Dissipation Operating Junction Temperature Range Storage Temperature Range Thermal Characteristics Parameter Thermal Resistance - Junction to Lead 1) 1) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature. 1/3 ® Dated: 04/05/2023 Rev: 05 1N4148 Characteristics at Ta = 25 Parameter Reverse Breakdown Voltage at IR = 100 µA at IR = 5 µA Forward Voltage at IF = 10 mA Leakage Current at VR = 20 V at VR = 75 V at VR = 20 V, Tj = 150 Capacitance at VR = 0, f = 1 MHz Voltage Rise when Switching ON tested with 50 mA Forward Pulses tp = 0.1 s, Rise Time < 30 ns, fp = 5 to 100 KHz Reverse Recovery Time at IF = 10 mA, Irr = 1 mA, VR = 6 V, RL = 100 Ω Rectification Efficiency 1) at f = 100 MHz, VRF = 2 V Symbol Min. Max. Unit V(BR)R V(BR)R 100 75 - V V VF - 1 V IR IR IR - 25 5 50 nA µA µA Ctot - 4 pF Vfr - 2.5 V trr - 4 ns ηV 0.45 - - Vo 2nF 5K ~ ~ ~ VRF =2V 60 1) Rectification Efficiency Measurem ent Circuit 2/3 ® Dated: 04/05/2023 Rev: 05 1N4148 Electrical Characteristics Curve Fig 1. Power Derating Curve IF, Forward Current (mA) Fig 2. Forward Characteristic Curve VF, Forward voltage(V) Fig 4. Junction Capacitance Tj, Junction Temperature ( Tj, Junction Temperature ( Cj, Junction Capacitance (pF) 0 IR, Reverse Current (nA) Fig 3. Reverse Characteristic Curve ) VR, Reverse Voltage(V) VR, Reverse Voltage(V) ) 3/3 ® Dated: 04/05/2023 Rev: 05