WSK1206 www.vishay.com Vishay Dale Power Metal Strip Resistors, High Power, Surface Mount, 4-Terminal FEATURES 4-terminal design Ideal for all types of current sensing, voltage division and pulse applications Proprietary processing technique produces extremely low resistance values Durable with all-welded construction Sulfur resistance by construction that is Available unaffected by high sulfur environments Solid metal nickel-chrome or manganese- Available copper resistive element with low TCR (< 20 ppm/C) click logo to get started DESIGN SUPPORT TOOLS All welded construction Low thermal EMF (< 3 V/C) Models Design Tools Material categorization: for definitions of compliance Available Available please see www.vishay.com/doc 99912 STANDARD ELECTRICAL SPECIFICATIONS POWER RATING RESISTANCE VALUE RANGE GLOBAL WEIGHT (typical) SIZE P 70 C MODEL g/1000 pieces W Tol. 0.1 % Tol. 0.25 % Tol. 0.5 % Tol. 1.0 % WSK1206 1206 0.25 0.04 to 0.05 0.02 to 0.05 0.01 to 0.05 0.01 to 0.05 16 Notes Part marking: due to resistor size limitation, parts will be marked with only the resistance value Resistance values are available per WSL decade table (www.vishay.com/doc 30117) TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS Component temperature coefficient ppm/C 35 (1) (including terminal) (2) Element TCR ppm/C < 20 Operating temperature range C -65 to +170 (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 Revision: 13-Feb-18 Document Number: 30195 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 WSK1206 www.vishay.com Vishay Dale GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSK1206R0150FEA W S K 1 2 0 6 R 0 1 5 0 F E A RESISTANCE (1) GLOBAL MODEL TOLERANCE CODE PACKAGING CODE SPECIAL VALUE WSK1206 R = decimal B = 0.1 % EA = lead (Pb)-free, tape / reel (Dash number) R0100 = 0.01 C = 0.25 % EK = lead (Pb)-free, bulk (up to 2 digits) D = 0.5 % From 1 to 99 as F = 1.0 % applicable Note (1) Packaging code: EB (lead (Pb)-free) and TB (tin / lead) are non-standard packaging codes designating 1000 piece reels. 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 DIMENSIONS DIMENSIONS in inches (millimeters) MODEL LW H T A B 0.126 0.010 0.063 0.010 0.025 0.010 0.020 0.010 0.023 0.010 0.018 0.010 WSK1206 (3.20 0.254) (1.60 0.254) (0.635 0.254) (0.508 0.254) (0.584 0.254) (0.457 0.254) SOLDER PAD DIMENSIONS in inches (millimeters) MODEL abc d l 0.040 0.070 0.030 0.01 0.070 WSK1206 (1.01) (1.778) (0.762) (0.254) (1.778) Revision: 13-Feb-18 Document Number: 30195 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