WSLP...18 www.vishay.com Vishay Dale Power Metal Strip Resistors, Very High Power (1 W), Low Value (down to 0.005 ), Surface Mount FEATURES Very high power to foot print size ratio (1 W in 0805 / 2 W in 1206 package) All welded construction of the Power Metal Strip resistors is ideal for all types of current sensing, voltage division and pulse applications Proprietary processing technique produces extremely low resistance values (down to 0.005 ) Sulfur resistance by construction that is unaffected by high sulfur environments Solid metal nickel-chrome or manganese- copper alloy resistive element with low TCR (< 20 ppm/C) click logo to get started DESIGN SUPPORT TOOLS Very low inductance 0.5 nH to 5 nH Excellent frequency response to 50 MHz Models Design Tools Low thermal EMF (< 3 V/C) Available Available Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 STANDARD ELECTRICAL SPECIFICATIONS POWER RATING RESISTANCE WEIGHT GLOBAL TOLERANCE SIZE P VALUE RANGE (typical) 70 C MODEL % W g/1000 pieces WSLP0805...18 0805 1.0 1.0, 5.0 0.005 to 0.01 4.8 WSLP1206...18 1206 2.0 1.0, 5.0 0.005 to 0.012 16.2 GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSLP0805R0100FEA18 W S L P 0 8 0 5 R 0 1 0 0 F E A 1 8 GLOBAL RESISTANCE TOLERANCE PACKAGING (3) SPECIAL (1) (2) MODEL VALUE CODE CODE (up to 2 digits) (8 digits) (5 digits) (1 digit) (2 digits) WSLP0805 L = m* F = 1.0 % EA = lead (Pb)-free, tape / reel 18 = high power WSLP1206 R = Decimal J = 5.0 % EK = lead (Pb)-free, bulk pack option 5L000 = 0.005 R0100 = 0.01 * Use L for resistance values < 0.01 Notes (1) WSL Marking (www.vishay.com/doc 30327) WSL Decade Values (www.vishay.com/doc 30117) (2) EB (lead (Pb)-free) is a non-standard packaging code designated for 1000 piece reels. The non-standard packaging code is identical to our standard EA (lead (Pb)-free), except that it has a package quantity of 1000 pieces (3) Follow link for customization capabilities: www.vishay.com/doc 48163 Revision: 13-Apr-18 Document Number: 30298 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 WSLP...18 www.vishay.com Vishay Dale TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS 110 for 5 m to 6.9 m (1) Temperature coefficient ppm/C 75 for 7 m to 12 m (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 DIMENSIONS H l b W a T L Typical sensing traces Notes 3D models available: www.vishay.com/doc 30306 Surface mount solder profile recommendations: www.vishay.com/doc 31052 SOLDER PAD DIMENSIONS DIMENSIONS in inches (millimeters) RESISTANCE in inches (millimeters) MODEL RANGE () L W H T a b l 0.080 0.010 0.050 0.010 0.013 0.010 0.015 0.010 0.040 0.050 0.020 WSLP0805...18 0.005 to 0.01 (2.03 0.254) (1.27 0.254) (0.330 0.254) (0.381 0.254) (1.02) (1.27) (0.50) 0.041 0.010 0.001 to 0.0019 (1.04 0.254) 0.126 0.010 0.063 0.010 0.025 0.010 0.025 0.010 0.062 0.070 0.030 WSLP1206...18 0.002 to 0.0059 (3.20 0.254) (1.60 0.254) (0.635 0.254) (0.635 0.254) (1.57) (1.78) (0.76) 0.020 0.010 0.006 to 0.012 (0.508 0.254) WELDED CONSTRUCTION 1206 CLAD CONSTRUCTION 0805 1) Resistive element: 1) Resistive element: Ni-Cr solid metal nickel-chrome 2) Terminal: Solid copper, or manganese-copper 100 % Sn (100 min.) with alloy resistive element with 100 % Ni (20 min.) under low TCR (< 20 ppm/C) 4 layer fini sh 2) Plated terminal: Solid copper, 4 3) Terminal to element weld 100 % Sn (100 min.) with 4) High temperature encapsulant: 100 % Ni (20 min.) under 1 siliconized polyester 1 layer fini sh 3 2 2 coating material 3 3) Terminal / element weld 4) Silicone coating with ink print Revision: 13-Apr-18 Document Number: 30298 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