1N4148W Silicon Epitaxial Planar Small Signal Diode Features PINNING • SOD-123 package DESCRIPTION PIN • Fast switching • These diodes are also available in other case 1 Cathode 2 Anode style including the DO-35 case with the type W1 type designation LL4148 and the MicroMELF Top View Marking Code: "W1" Simplified outline SOD-123 and symbol case with the type designation MCL4148. Absolute Maximum Ratings (Ta = 25 OC) Parameter 2 1 designation 1N4148, the MiniMELF case with the Symbol Value Unit Peak Reverse Voltage VRM 100 V Reverse Voltage VR 75 V Average Rectified Current Half Wave Rectification with Resistive Load f ≥ 50 Hz IF(AV) 150 mA Non-repetitive Peak Forward Surge Current at t = 1 μs IFSM 2 A Power Dissipation Ptot 400 Thermal Resistance from Junction to Ambient Air RθJA 450 Junction Temperature TJ 150 O Storage Temperature Range Tstg - 65 to + 150 O mW C/W O C C Electrical Characteristics (Ta = 25 OC) Parameter Symbol Min. Max. Unit Forward Voltage at IF = 10 mA Reverse Current at VR = 20 V at VR = 75 V at VR = 20 V, TJ = 150 OC Capacitance at VF = VR = 0 V Reverse Recovery Time from IF = 10 mA to IR = 1 mA, VR = 6 V, RL = 100 Ω Voltage Rise when Switching On (tested with 50 mA Pulses tp = 0.1 μs, Rise Time < 30 ns, fp = 5 to 100 KHz) VF - 1 V - 25 5 50 nA µA µA Ctot - 4 pF trr - 4 ns Vfr - 2.5 V ηv 0.45 - - IR Rectification Efficiency at f = 100 MHz, VRF = 2 V SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 21/01/2008 1N4148W Forward characteristics 3 102 I F ( m A) Vo 5K ~ ~ ~ 2nF 60 VRF =2V 10 Rectification Efficiency Measurement Circuit 10 Tj=100 C Tj=25 C 1 10-2 10-1 0 2 1 VF (V) Amissible power dissipation vs. ambient temperature Leakage current vs. junction temperature 1000 10 4 5 2 800 103 I R (nA) P tot (mW) 5 600 400 2 10 2 5 2 10 200 5 VR=20V 2 1 0 200 100 0 Tj ( C) Reverse capacitance vs. reverse voltage Amissible repetitive peak forward current vs. pulse duration 100 Tj=25 C f=1MHz 1.1 5 4 3 2 1.0 10 I FRM (A) Ctot (VR) Ctot (0 V) 200 100 Tamb ( C) 0.9 0.8 5 4 3 2 1 V=0 0.1 0.2 0.5 5 4 3 2 0.7 0 2 4 6 VR (V) 8 10 0.1 10-5 2 5 -4 10 2 5 -3 2 10 5 10-2 2 5 -1 10 2 5 1 2 5 tp (s) SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 21/01/2008 10 1N4148W PACKAGE OUTLINE Plastic surface mounted package; 2 leads SOD-123 c A ∠ ALL ROUND HE A bp E D UNIT A bp c D E HE v ∠ mm 1.15 1.05 0.6 0.5 0.135 0.127 2.7 2.6 1.65 1.55 3.9 3.7 0.2 5 O SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 21/01/2008