V is h ay I n tertec h n o l o g y, I n c . Resistors - Accurate Current Sensing: 1 % Tolerance I INNOVAT AND TEC O L OGY WSL3921 and WSL5931 N HN POWER METAL STRIP® RESISTORS O 19 62-2012 3-Watt and 5-Watt Surface-Mount, Power Metal Strip® Resistors Key Benefits • Extremely low resistance values of 0.2 mΩ to 4 mΩ • Accurate current sensing with 1 % tolerance • Low RTC resistance element (< 20 ppm/°C) results in accurate current sensing, allowing the use of lower cost ICs • Enables use of a single resistor instead of multiple, high-value or low-power resistors APPLICATIONS • Automotive • Consumer • Industrial Resources • Datasheet: WSL3921 and WSL5931 - http://www.vishay.com/doc?30110 • For technical questions contact [email protected] One of the World’s Largest Manufacturers of Discrete Semiconductors and Passive Components PRODUCT SHEET 1/2 VMN-PT9089-1201 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 V is h ay I n tertec h n o l o g y, I n c . I INNOVAT 19 Vishay Dale 62-2012 3-Watt and 5-Watt Surface-Mount, ® Resistors, Power Metal Strip ® Metal Low Power Value (down toStrip 0.0002 Resistors Ω), Surface Mount FEATURES • Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments, power amplifiers • Proprietary processing technique produces extremely low resistance values, down to 0.0002 Ω • All welded construction • Solid metal iron-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 μV/°C) • AEC-Q200 qualified available (1) • Compliant to RoHS Directive 2002/95/EC Note (1) Flame retardance test may not be applicable to some resistor technologies STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL SIZE POWER RATING P70 °C W TOLERANCE % RESISTANCE VALUE RANGE Ω RESISTANCE VALUES CURRENTLY AVAILABLE (2) Ω WEIGHT (typical) g/1000 pieces WSL3921 3921 3.0 1.0, 5.0 0.3m to 4m 0.3m, 0.5m, 1m, 2m, 3m, 4m 281 WSL5931 5931 5.0 1.0, 5.0 0.2m to 3m 0.2m, 0.3m, 0.5m, 1m, 2m, 3m 398 Note (2) Other values may be available, contact factory. TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS ppm/°C ± 225 for 0.2 mΩ, ± 175 for 0.3 mΩ and 0.5 mΩ, ± 75 for 1 mΩ to 4 mΩ Operating temperature range °C - 65 to + 170 Maximum working voltage V (P x R)1/2 Temperature coefficient GLOBAL PART NUMBER INFORMATION Global Part Numbering: WSL3921L5000FEA (WSL3921, 0.0005 Ω, ± 1 %) W Revision 11-Nov-10 Resistors - Accurate Current Sensing: 1 % Tolerance AND TEC O L OGY WSL3921 and WSL5931 WSL3921, WSL5931 N HN POWER METAL STRIP® RESISTORS O S L 3 9 2 1 L 5 0 0 0 F E A GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSL3921 WSL5931 L = mΩ L5000 = 0.0005 Ω F = ± 1.0 % J = ± 5.0 % EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk (Dash number) (Up to 2 digits) From 1 to 99 as applicable ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 www.vishay.com 374 PRODUCT SHEET For technical questions, contact: [email protected] 2/2 Document Number: 30110 Revision: 11-Nov-10 VMN-PT9089-1201 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