WSL www.vishay.com Vishay Dale Power Metal Strip(R) Resistors, Low Value (down to 0.0005 ), Surface Mount FEATURES DESIGN SUPPORT TOOLS Models * All welded construction of the Power Metal Strip(R) resistors are ideal for all types of current sensing, voltage division and pulse applications Available * Proprietary processing technique produces extremely low resistance values (down to 0.0005 ) * Sulfur resistance by construction that is Available unaffected by high sulfur environments * Very low inductance 0.5 nH to 5 nH Available * Low thermal EMF (< 3 V/C) * AEC-Q200 qualified (1) Available * Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 click logo to get started Design Tools Available Available 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 RESISTANCE VALUE RANGE GLOBAL MODEL SIZE POWER RATING P70 C W WSL0603 0603 0.1 0.01 to 0.1 0.01 to 0.1 1.9 WSL0805 0805 0.125 0.005 to 0.2 0.005 to 0.2 4.8 WSL1206 1206 0.25 0.005 to 0.2 0.001 to 0.2 16.2 WSL2010 2010 0.5 0.004 to 0.5 0.001 to 0.5 38.9 WSL2512 2512 1.0 (1) 0.003 to 0.5 0.0005 to 0.5 63.6 WSL2816 2816 2.0 0.003 to 0.1 0.002 to 0.1 118 Tol. 0.5 % WEIGHT (typical) g/1000 pieces Tol. 1.0 % Notes * Part marking: Value; tolerance: Due to resistor size limitations some resistors will be marked with only the resistance value (1) For values above 0.1 derate linearly to 80 % rated power at 0.5 GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSL25124L000FEA (visit www.vishay.net Vishay Dale parts numbering manual for all options) W S L 2 5 1 2 4 L 0 0 0 F E A GLOBAL MODEL (7 digits) RESISTANCE VALUE (1) (5 digits) TOLERANCE CODE (1 digit) PACKAGING CODE (2) (2 digits) SPECIAL (3) (up to 2 digits) WSL0603 WSL0805 WSL1206 WSL2010 WSL2512 WSL2816 L = m* R = decimal 5L000 = 0.005 R0100 = 0.01 D = 0.5 % F = 1.0 % J = 5.0 % EA = lead (Pb)-free, tape / reel EH = lead (Pb)-free, tape / reel (WSL2816) EK = lead (Pb)-free, bulk (dash number) from 1 to 99 as applicable * Use "L" for resistance values < 0.01 TA = tin/lead, tape / reel (R86) TG = tin/lead, tape / reel (RT1, for WSL0603 and WSL0805) TH = tin / lead, tape / reel (RJ9, WSL2816) BA = tin / lead, bulk (B43) Notes (1) WSL Marking (www.vishay.com/doc?30327); WSL Decade Values (www.vishay.com/doc?30117) (2) 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 (3) Follow link for customization capabilities: www.vishay.com/doc?48163 Revision: 02-May-2018 Document Number: 30100 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 WSL www.vishay.com Vishay Dale TECHNICAL SPECIFICATIONS PARAMETER UNIT WSL RESISTOR CHARACTERISTICS 75 for 7 m to 0.5 110 for 5 m to 6.9 m Component temperature coefficient (including terminal) (1) TCR measured from -55 C to 150 C ppm/C 150 for 3 m to 4.9 m 275 for 1 m to 2.9 m 400 for 0.5 m to 0.99 m Element TCR (2) ppm/C < 20 Operating temperature range C -65 to +170 Maximum working voltage (3) V (P x R)1/2 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 in inches (millimeters) 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 MODEL RESISTANCE RANGE () DIMENSIONS SOLDER PAD DIMENSIONS L W H T a b l WSL0603 0.01 to 0.1 0.060 0.010 (1.52 0.254) 0.030 0.010 (0.76 0.254) 0.013 0.005 (0.330 0.127) 0.015 0.010 (0.381 0.254) 0.040 (1.01) 0.040 (1.01) 0.020 (0.50) WSL0805 0.005 to 0.2 0.080 0.010 (2.03 0.254) 0.050 0.010 (1.27 0.254) 0.013 0.005 (0.330 0.127) 0.015 0.010 (0.381 0.254) 0.040 (1.02) 0.050 (1.27) 0.020 (0.50) 0.062 (1.57) 0.070 (1.78) 0.030 (0.76) 0.058 0.010 (1.47 0.254) 0.093 (2.36) 0.120 (3.05) 0.055 (1.40) 0.020 0.010 (0.508 0.254) 0.055 (1.40) 0.120 (3.05) 0.130 (3.30) 0.041 0.010 (1.04 0.254) 0.001 to 0.0019 WSL1206 0.002 to 0.0059 0.126 0.010 (3.20 0.254) 0.063 0.010 (1.60 0.254) 0.025 0.010 (0.635 0.254) 0.020 0.010 (0.508 0.254) 0.006 to 0.20 0.001 to 0.0069 WSL2010 0.007 to 0.5 0.025 0.010 (0.635 0.254) 0.200 0.010 (5.08 0.254) 0.100 0.010 (2.54 0.254) 0.025 0.010 (0.635 0.254) 0.0005 to 0.00099 0.107 0.010 (2.72 0.254) 0.001 to 0.0049 0.087 0.010 (2.21 0.254) WSL2512 0.005 to 0.0069 0.250 0.010 (6.35 0.254) 0.125 0.010 (3.18 0.254) 0.025 0.010 (0.635 0.254) 0.007 to 0.5 0.002 to 0.00399 WSL2816 0.004 to 0.1 Revision: 02-May-2018 0.280 0.010 (7.1 0.254) 0.165 0.010 (4.2 0.254) 0.025 0.010 (0.635 0.254) 0.120 (3.05) 0.047 0.010 (1.19 0.254) 0.083 (2.11) 0.030 0.010 (0.762 0.254) 0.065 (1.65) 0.098 0.010 (2.49 0.254) 0.135 (3.43) 0.062 0.010 (1.57 0.254) 0.096 (2.45) 0.050 (1.27) 0.145 (3.68) 0.125 (3.18) 0.160 (4.06) 0.185 (4.7) 0.060 (1.52) 0.125 (3.20) Document Number: 30100 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 WSL www.vishay.com Vishay Dale Rated Power in % DERATING PULSE CAPABILITY 120 click to get started 100 80 60 40 US ILL 20 0 - 65 - 50 - 25 0 25 50 75 100 125 150 170 Ambient Temperature in C www.vishay.com/resistors/power-metal-strip-calculator 70 WELDED CONSTRUCTION 2816, 2512, 2010, 1206 4 1 2 3 VE TI A TR S SE O RP PU LY ON CLAD CONSTRUCTION 0805 and 0603 1) Resistive element: solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/C) 2) Plated terminal: Solid copper, 100 % Sn (100 " min.) with 100 % Ni (20 " min.) under layer finish 3) Terminal / element weld 4) Silicone coating with ink print 4 2 1 3 1) Resistive element: Ni-Cr 2) Terminal: Solid copper, 100 % Sn (100 " min.) with 100 % Ni (20 " min.) under layer finish 3) Terminal to element weld 4) High temperature encapsulant: "siliconized polyester" coating material PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal shock -55 C to +150 C, 1000 cycles, 15 min at each extreme 0.5 % + 0.0005 Short time overload 5 x rated power for 5 s 0.5 % + 0.0005 Low temperature operation -65 C for 24 h 0.5 % + 0.0005 High temperature exposure 1000 h at + 170 C 1.0 % + 0.0005 Bias humidity +85 C, 85 % RH, 10 % bias, 1000 h 0.5 % + 0.0005 Mechanical shock 100 g's for 6 ms, 5 pulses 0.5 % + 0.0005 Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h 0.5 % + 0.0005 Load life 1000 h at rated power, + 70 C, 1.5 h "ON", 0.5 h "OFF" 1.0 % + 0.0005 Resistance to solder heat +260 C solder, 10 s to 12 s dwell, 25 mm/s emergence 0.5 % + 0.0005 Moisture resistance MIL-STD-202, method 106, 0 % power, 7a and 7b not required 0.5 % + 0.0005 PACKAGING (1) MODEL REEL TAPE WIDTH DIAMETER PIECES/REEL WSL0603 8 mm/punched paper 178 mm/7" 5000 CODE EA WSL0805 8 mm/punched paper 178 mm/7" 5000 EA WSL1206 8 mm/embossed plastic 178 mm/7" 4000 EA WSL2010 12 mm/embossed plastic 178 mm/7" 4000 EA WSL2512 12 mm/embossed plastic 178 mm/7" 2000 EA WSL2816 12 mm/embossed plastic 178 mm/7" 2000 EH Notes * Embossed carrier tape per EIA-481 (1) Additional packaging details at www.vishay.com/doc?20051 Revision: 02-May-2018 Document Number: 30100 3 For technical questions, contact: ww2bresistors@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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