WSL4026 www.vishay.com Vishay Dale Power Metal Strip Resistors, Low Value, High Power, Surface Mount, 4-Terminal FEATURES 4-Terminal design allows for 1 % tolerance Available down to 0.0003 High power to foot print size ratio Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments, power amplifiers and shunts Proprietary processing technique produces extremely low resistance values, down to 0.0003 All welded construction Solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/C) Very low inductance 0.5 nH to 5 nH Low thermal EMF (< 3 V/C) (1) AEC-Q200 qualified available Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 Note (1) Flame retardance test may not be applicable to some resistor technologies. STANDARD ELECTRICAL SPECIFICATIONS POWER RATING RESISTANCE VALUE RESISTANCE VALUES WEIGHT GLOBAL TOLERANCE (2) SIZE P RANGE CURRENTLY AVAILABLE (typical) 70 C MODEL % W g/1000 pieces WSL4026 4026 3.0 1.0 0.3m to 5m 0.3m, 0.5m, 0.7m, 1m, 2m, 3m, 4m, 5m 420 Notes Power rating depends on the max. temperature at the solder point, component placement density and the substrate material. Part marking: Model, value, tolerance, date code. (2) Other values may be available, contact factory. TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS Temperature coefficient ppm/C 75 for 0.5 m to 5 m , 110 for 0.3 m Element TCR ppm/C < 20 Operating temperature range C -65 to +170 1/2 Maximum working voltageV(P x R) GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSL4026L5000FEA (WSL4026, 0.0005 , 1 %) W S L 4 0 2 6 L 5 0 0 0 F E A GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSL4026 L = m F = 1.0 % EA = Lead (Pb)-free, tape/reel (Dash number) L3000 = 0.0003 EK = Lead (Pb)-free, bulk (Up to 2 digits) L5000 = 0.0005 From 1 to 99 as L7000 = 0.0007 applicable 1L000 = 0.0010 2L000 = 0.0020 3L000 = 0.0030 4L000 = 0.0040 5L000 = 0.0050 Revision: 11-May-15 Document Number: 30132 1 For technical questions, contact: ww2bresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 WSL4026 www.vishay.com Vishay Dale DIMENSIONS DIMENSIONS in inches (millimeters) MODEL R LW H ST U N (REF.) 0.400 0.008 0.260 + 0.012/- 0.008 Please see 0.198 0.028 0.004 0.016 0.002 0.078 0.004 0.039 0.006 WSL4026 (10.1 0.2) (6.6 + 0.3/- 0.2) table below (5.0) (0.7 0.1) (0.4 0.05) (2.0 0.1) (0.99 0.15) SOLDER PAD DIMENSIONS in inches (millimeters) MODEL W L ab c d w 0.220 0.096 0.035 0.035 0.420 WSL4026 (5.6) (2.44) (0.89) (0.89) (10.67) T RESISTANCE ELEMENT HEIGHT MODEL VALUE U MATERIAL H S (m ) 0.141 0.008 0.004 0.3 Mn-Cu R N (3.58 0.2) Terminal Area H 0.116 0.008 c 0.5 Mn-Cu (2.95 0.2) 0.111 0.008 0.7 Mn-Cu (2.82 0.2) d b 0.1055 0.008 1.0 Mn-Cu (2.68 0.2) a w WSL4026 b 0.114 0.008 2.0 Ni-Cr (2.9 0.2) 0.110 0.008 3.0 Ni-Cr (2.79 0.2) 0.110 0.008 4.0 Ni-Cr (2.79 0.2) 0.110 0.008 5.0 Ni-Cr (2.79 0.2) DERATING - AMBIENT TEMPERATURE DERATING - TERMINAL TEMPERATURE 120 120 100 100 80 80 60 60 40 40 Stability < 1.0 % 20 20 Stability < 0.5 % 0 0 -65 -50 -25 0 25 50 70 100 125 150 170 0 20 40 60 80 100 120 140 160 180 Ambient Temperature in C Terminal Temperature T in C K Example: WSL4026 0.0005 , 0.001 Revision: 11-May-15 Document Number: 30132 2 For technical questions, contact: ww2bresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 Rated Power in % P/P in % Norm