1N4148WS SILICON EPITAXIAL PLANAR SMALL SIGNAL DIODE Features • SOD-323 package • Fast switching • These diodes are also available in other case style including the DO-35 case with the type designation 1N4148, the MiniMELF case with the type designation LL4148 and the MicroMELF case with the type designation MCL4148. Absolute Maximum Ratings (Ta = 25 OC) Parameter PINNING DESCRIPTION PIN 1 Cathode 2 Anode 2 1 W2 Top View Marking Code: "W2" Simplified outline SOD-323 and symbol 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 Surge Forward Current (t < 1 s, Tj = 25 OC) IFSM 350 mA Power Dissipation Ptot 200 Thermal Resistance from Junction to Ambient Air RθJA 625 Tj 150 O Tstg - 65 to + 150 O Junction Temperature Storage Temperature Range mW C/W O C C Electrical Characteristics (Ta = 25 OC) Parameter Symbol Min. Max. Unit Forward Voltage at IF = 10 mA VF - 1 V Reverse Current at VR = 20 V at VR = 75 V at VR = 20 V, TJ = 150 OC IR - 25 5 50 nA µA µA Ctot - 4 pF Reverse Recovery Time from IF = 10 mA to IR = 1 mA, VR = 6 V, RL = 100 Ω trr - 4 ns Voltage Rise when Switching On (tested with 50 mA Pulses tp = 0.1 μs, Rise Time < 30 ns, fp = 5 to 100 KHz) Vfr - 2.5 V Rectification Efficiency at f = 100 MHz, VRF = 2 V ηv 0.45 - - Capacitance at VF = VR = 0 V SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 07/04/2009 1N4148WS Dynamic forward resistance vs. forward current Forward characteristics 4 3 10 10 2 2 3 Tj=25 C f=1kHz 5 10 10 Tj=25 C 2 2 ) Tj=100 C rF ( I F ( m A) 5 10 1 10 5 2 10-2 10 -1 2 5 10 0 1 1 10-2 2 10-1 VF (V) 1 102 10 I F (mA) Reverse capacitance vs. reverse voltage Amissible repetitive peak forward current vs. pulse duration Tj=25 C f=1MHz 1.1 100 5 4 3 2 10 I FRM (A) Ctot (VR) Ctot (0 V) 1.0 0.9 0.8 V=0 5 4 3 2 0.1 0.2 1 0.5 5 4 3 2 0.7 0 2 4 6 8 10 0.1 10-5 2 5 -4 2 10 VR (V) 5 -3 2 10 5 10-2 2 5 -1 2 10 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 : 07/04/2009 10 1N4148WS PACKAGE OUTLINE Plastic surface mounted package; 2 leads SOD-323 A c HE A D E bp UNIT A bp C D E HE mm 1.10 0.80 0.40 0.25 0.15 0.00 1.80 1.60 1.35 1.15 2.80 2.30 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 07/04/2009 1N4148WS PACKAGE OUTLINE Plastic surface mounted package; 2 leads SOD-323 Q A A1 c Lp HE A D E b UNIT A A1 bp C D E HE Lp Q mm 1.10 0.80 0.1 0 0.40 0.25 0.15 0.00 1.80 1.60 1.35 1.15 2.80 2.30 0.50 0.10 0.15 REF. SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 07/04/2009