Vishay WSC WSN Data Sheet

WSC, WSN Vishay Dale

Wirewound Resistors, Precision Power, Surface Mount

FEATURES All welded construction Molded encapsulation Wraparound terminations Excellent stability at different environmental conditions High power ratings (up to 3 W) Superior surge capability Available in non-inductive styles with Ayrton- Perry winding (WSN in lieu of WSC, maximum resistance is one-half WSC range) AEC-Q200 qualified available (1) Compliant to Ro HS Directive 2002/95/EC Note (1) Flame retardance test may not be applicable to some resistor technologies.

STANDARD ELECTRICAL SPECIFICATIONS GLOBAL HISTORICAL POWER RATING P70 °C RESISTANCE RANGE TOLERANCE WEIGHT (typical)

ENCAPSULATION

MODEL MODEL SIZE ± % g/1000 pieces WSC01/2 WSC-1/2 0.5 0.1 to 4.99 0.5, 1, 5 Epoxy

WSC0001 WSC-1 0.1 to 2.77K 0.5, 1, 5 Thermoplastic (3)

WSC2515 WSC2515 0.1 to 2.5K 0.1, 0.25, 0.5, 1, 5 (2) Thermoplastic

WSC0002 WSC-2 0.1 to 4.92K 0.5, 1, 5 Thermoplastic (3)

WSC4527 WSC4527 0.1 to 4.92K 0.5, 1, 5 Thermoplastic

WSC6927 WSC6927 0.1 to 8K 0.5, 1, 5 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. (2) 0.1 % and 0.25 % is available on the WSC2515 for 0.499  to 2.5 k range. (3) 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

TECHNICAL SPECIFICATIONS PARAMETER UNIT WSC01/2 WSC0001 WSC2515 WSC0002 WSC4527/WSC6927

± 20 = 26.51  and above; ± 20 = 10  and above;

± 20 = 26.51  and above; ± 20 = 10.0  and above;

Temperature ± 50 = 1.0  to 4.99  ± 50 = 1.0  to 26.5 ; ± 50 = 1.0  to 9.9 ;

ppm/°C ± 50 = 1.0  to 26.5 ; ± 50 = 1.0  to 9.9 ;

Coefficient ± 90 = 0.1  to 0.99  ± 90 = 0.31  to 0.99  ± 90 = 0.31  to 0.99 

± 90 = 0.1  to 0.99  ± 90 = 0.1  to 0.99 

± 150 = 0.1  to 0.3  ± 150 = 0.1  to 0.3 

Dielectric

VAC > 500

Withstanding Voltage Insulation Resistance > 109 Operating

°C - 65 to + 175 - 65 to + 275

Temperature Range Maximum Working

Voltage

GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSC2515R7000FEA

CW AS

GLOBAL MODEL SIZE VALUE TOLERANCE PACKAGING SPECIAL

WSC 01/2 R = Decimal B = ± 0.1 % (4) EA = Lead (Pb)-free, tape/reel (Dash number)

WSN K = Thousand C = ± 0.25 % (4) EK = Lead (Pb)-free, bulk (Up to 2 digits) R7000 = 0.70  D = ± 0.5 % TA = Tin/lead, tape/reel (R86) From 1 to 99 1K500 = 1.5 k F = ± 1.0 % BA = Tin/lead, bulk (B43) as applicable G = ± 2.0 % H = ± 3.0 % J = ± 5.0 % K = ± 10 %

Historical Part Numbering example: WSC-1 0.7  1 % R86

WSC-1 0.7  1 % R86

HISTORICAL MODEL RESISTANCE VALUE TOLERANCE PACKAGING Note (4) WSC2515 only

* Pb containing terminations are not Ro HS compliant, exemptions may apply ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902

Document Number: 30102 For technical questions, contact: [email protected] www.vishay.com

Revision: 17-Feb-11