333 3 WSC, WSN www.vishay.com Vishay Dale Wirewound Resistors, Precision Power, Surface Mount FEATURES All welded construction Molded encapsulation Wraparound terminations Available Excellent stability at different environmental conditions High power ratings (up to 3 W) Superior surge capability Available Available in non-inductive styles with Ayrton- Perry winding (WSN in lieu of WSC, maximum Available LINKS TO ADDITIONAL RESOURCES resistance is one-half WSC range) (1) Available AEC-Q200 qualified 3D Models 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 GLOBAL HISTORICAL POWER RATING P RESISTANCE RANGE TOLERANCE WEIGHT (typical) 70 C SIZE ENCAPSULATION MODEL MODEL W % g/1000 pieces WSC01/2 WSC-1/2 2012 0.5 0.1 to 4.99 0.5, 1, 5 90 Epoxy (2) (1) WSC0001 WSC-1 2515 1 0.1 to 2.77K 0.5, 1, 5 165 Thermoplastic WSC2515 WSC2515 2515 1 0.1 to 2.5K 0.5, 1, 5 165 Thermoplastic (1) WSC0002 WSC-2 4527 2 0.1 to 4.92K 0.5, 1, 5 760 Thermoplastic WSC4527 WSC4527 4527 2 0.1 to 4.92K 0.5, 1, 5 760 Thermoplastic WSC6927 WSC6927 6927 3 0.1 to 8K 0.5, 1, 5 1675 Thermoplastic Notes Part marking: 1/2 W - DALE, value 1 W - model, value, tolerance, date code 2 W and 3 W - DALE, model, value, tolerance, date code (1) As of 1/1/2010, the WSC0001 and WSC0002 are molded with thermoplastic in lieu of epoxy. Reference PCN-DR-002-2009 and PCN-DR-003-2009 (2) As of February 19, 2016, the WSC0001 was obsoleted by PCN-DR-013-2015 the WSC2515 is a drop-in replacement. You may contact your sales representative or submit an inquiry via ww2bresistors vishay.com for supporting information TECHNICAL SPECIFICATIONS PARAMETER UNIT WSC01/2 WSC2515 WSC0002 WSC4527, WSC6927 20 = 26.51 and above 20 = 10 and above Temperature 20 = 10.0 and above 50 = 1.0 to 4.99 50 = 1.0 to 26.5 50 = 1.0 to 9.9 coefficient measured ppm/C 50 = 1.0 to 9.9 90 = 0.1 to 0.99 90 = 0.31 to 0.99 90 = 0.31 to 0.99 from -55 C to +150 C 90 = 0.1 to 0.99 150 = 0.1 to 0.3 150 = 0.1 to 0.3 Dielectric V > 500 AC withstanding voltage 9 Insulation resistance > 10 Operating C -65 to +175 -65 to +275 temperature range Maximum 1/2 V (P x R) working voltage Revision: 29-Jun-2021 Document Number: 30102 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 WSC, WSN www.vishay.com Vishay Dale GLOBAL PART NUMBER INFORMATION Global Part Numbering Example: WSC2515R7000FEA (visit www.vishay.net Vishay Dale parts numbering manual for all options) W SC 251 5 R 7 00 0 F E A (1) GLOBAL MODEL SIZE VALUE TOLERANCE PACKAGING SPECIAL WSC 01/2 R = decimal D = 0.5 % EA = lead (Pb)-free, tape / reel (dash number) WSN 2515 K = thousand F = 1.0 % EK = lead (Pb)-free, bulk (up to 2 digits) 0002 R7000 = 0.70 G = 2.0 % from 1 to 99 TA = tin / lead, tape / reel (R86) 4527 1K500 = 1.5 k H = 3.0 % as applicable BA = tin / lead, bulk (B43) 6927 J = 5.0 % K = 10 % Notes (1) WSC / WSN marking (www.vishay.com/doc 30327) 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 in inches (millimeters) W H L b W 1 a T L DIMENSIONS SOLDER PAD DIMENSIONS GLOBAL MODEL L H T W W ab L 1 0.200 0.020 0.096 0.015 0.040 0.010 0.125 0.005 0.050 0.010 WSC01/2 0.085 (2.16) 0.070 (1.78) 0.080 (2.03) (5.08 0.508) (2.44 0.381) (1.02 0.254) (3.18 0.127) (1.27 0.254) 0.250 0.020 0.110 0.015 0.045 0.010 0.150 0.005 0.098 0.005 WSC2515 0.090 (2.29) 0.115 (2.92) 0.120 (3.05) (6.35 0.508) (2.79 0.381) (1.14 0.254) (3.81 0.127) (2.49 0.127) 0.455 0.020 0.167 0.010 0.100 0.010 0.275 0.005 0.215 0.005 WSC0002 0.155 (3.94) 0.230 (5.84) 0.205 (5.21) (11.56 0.508) (4.24 0.254) (2.54 0.254) (6.98 0.127) (5.46 0.127) 0.455 0.020 0.167 0.010 0.100 0.010 0.275 0.005 0.215 0.005 WSC4527 0.155 (3.94) 0.230 (5.84) 0.205 (5.21) (11.56 0.508) (4.24 0.254) (2.54 0.254) (6.98 0.127) (5.46 0.127) 0.690 0.032 0.280 0.015 0.100 0.010 0.275 0.005 0.215 0.015 WSC6927 0.155 (3.94) 0.235 (5.97) 0.470 (11.94) (17.53 0.813) (7.11 0.381) (2.54 0.254) (6.98 0.127) (5.46 0.381) Notes 3D models available: www.vishay.com/doc 30328 Surface mount solder profile recommendations: www.vishay.com/doc 31052 Refer to WSC, WSN conversion guide for detailed construction drawings: www.vishay.com/doc 49616 TEMPERATURE RISE DERATING 200 120 WSC0002 100 WSC4527 WSC6927 150 WSC01/2 80 (1) WSC0002 WSC2515 WSC2515 WSC4527 60 100 WSC6927 40 50 20 WSC01/2 0 0 0 0.5 1.0 1.5 2.0 2.5 3.0 - 65 - 25 25 75 125 175 225 275 Power in W Ambient Temperature in C 70 Note (1) As of 1/1/2010, WSC0002 will be molded with thermoplastic and have the higher 275 C temperature derating Revision: 29-Jun-2021 Document Number: 30102 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 Temperature Rise in C Rated Power in %