333 3 WSLT2010...18 www.vishay.com Vishay Dale Power Metal Strip Resistors High Temperature (275 C), High Power (1 W), Low Value (Down to 0.01 ), Surface Mount FEATURES All welded construction of the Power Metal Strip resistors are ideal for all types of current sensing, voltage division and pulse applications Proprietary processing technique produces extremely low resistance values Sulfur resistance by construction that is unaffected by high sulfur environments Specially selected and stabilized materials allow for high temperature derating (to +275 C) and high power ratings (2 x standard WSL rating) Solid metal nickel-chrome alloy resistive element with low TCR (< 20 ppm/C) Very low inductance (< 5 nH) LINKS TO ADDITIONAL RESOURCES Low thermal EMF (< 3 V/C) (1) AEC-Q200 qualified 3D Models Design Tools Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 Notes This datasheet provides information about parts that are RoHS-compliant and / or parts that are non-RoHS-compliant. For example, parts with lead (Pb) terminations are not RoHS-compliant. Please see the information / tables in this datasheet for details Follow link to Overview of Automotive Grade Products for more details: www.vishay.com/doc 49924 (1) Flame retardance test may not be applicable to some resistor technologies STANDARD ELECTRICAL SPECIFICATIONS POWER RATING RESISTANCE WEIGHT TOLERANCE GLOBAL MODEL SIZE P VALUE RANGE (typical) 70 C % W g/1000 pieces WSLT2010...18 2010 1.0 0.5 and 1.0 0.01 to 0.50 38.9 TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS Component temperature coefficient (1) (including terminal) measured ppm/C 75 from -55 C to +150 C (2) Element TCR ppm/C < 20 Operating temperature range C -65 to +275 (3) 1/2 Maximum working voltage V(P x R) Notes (1) Component TCR - total TCR that includes the TCR effects of the resistor element and the copper terminal (2) Element TCR - only applies to the alloy used for the resistor element refer to item 1 in the construction illustration on the following page (3) Maximum working voltage - the WSL is not voltage sensitive, but is limited by power / energy dissipation and is also not ESD sensitive GLOBAL PART NUMBER INFORMATION Global Part Numbering: WSLT2010R0100FEA18 (visit www.vishay.net Vishay Dale parts numbering manual for all options) W S L T 2 0 1 0 R 0 1 0 0 F E A 1 8 (1) (2) GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSLT2010 R = decimal D = 0.5 % EA = lead (Pb)-free, tape/reel 18 = high power R0100 = 0.01 F = 1.0 % EK = lead (Pb)-free, bulk option Notes (1) WSL marking (www.vishay.com/doc 30327) (2) Packaging code: EB (lead (Pb)-free) and TB (tin / lead) are non-standard packaging codes that designate 1000 piece reel quantities. These non-standard packaging codes are identical to our standard EA (lead (Pb)-free) and TA (tin / lead), except that they have a package quantity of 1000 pieces Revision: 29-Jun-2021 Document Number: 30138 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 DDD D WSLT2010...18 www.vishay.com Vishay Dale DIMENSIONS in inches (millimeters) H l b W a T L Typical sensing traces Notes 3D models available: www.vishay.com/doc 30339 Surface mount solder profile recommendations: www.vishay.com/doc 31052 DIMENSIONS SOLDER PAD DIMENSIONS MODEL L W H T a b l 0.200 0.010 0.100 0.010 0.025 0.010 0.020 0.010 0.055 0.120 0.130 WSLT2010...18 (5.08 0.254) (2.54 0.254) (0.635 0.254) (0.508 0.254) (1.40) (3.05) (3.30) WELDED CONSTRUCTION 2010 1) Resistive element: solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/C) 2) Terminal: Solid copper, 4 100 % Sn (200 min.) with 100 % Ni (40 min.) under 1 layer finish 3 3) Terminal / element weld 2 4) Silicone coating with ink print DERATING PULSE CAPABILITY 120 click to get started 100 80 60 40 20 0 - 65 - 25 25 75 125 175 225 275 Ambient Temperature in C 70 www.vishay.com/resistors/power-metal-strip-calculator Revision: 29-Jun-2021 Document Number: 30138 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 IILLLLUSTRAAATIVE PURRPPOSEESS OONLLLLLYY Rated Power in %