wscwsn| Datasheet

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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 ArytonPerry winding (WSN in lieu of WSC, maximum resistance is one-half WSC range)
Pb-free Available

e3
RoHS*
COMPLIANT

STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE RANGE ENCAPSULATION GLOBAL HISTORICAL SIZE POWER RATING P70 C TOLERANCE % MODEL MODEL INCH W WSC01/2 WSC-1/2 2012 0.5 0.5, 1, 5 0.1 - 4.99 Epoxy WSC0001 WSC-1 2515 1.0 0.5, 1, 5 0.1 - 2.77K Epoxy WSC2515 WSC2515 2515 1.0 0.5, 1, 5 1) 0.1 - 2.77K Thermoplastic WSC0002 WSC-2 4527 2.0 0.5, 1, 5 0.1 - 4.92K Epoxy WSC4527 WSC4527 4527 2.0 0.5, 1, 5 0.1 - 4.92K Thermoplastic WSC6927 WSC6927 6927 3.0 0.5, 1, 5 0.1 - 8K Thermoplastic Note Part Marking: 1/2 W - DALE, Value; 1 W - Model, Value, Tolerance, Date Code; 2 W & 3 W - DALE, Model, Value, Tolerance, Date Code 1) 0.1 % and 0.25 % is available on the WSC2515 for 0.499 to 2.5 k range.

TECHNICAL SPECIFICATIONS
PARAMETER Temperature Coefficient Dielectric Withstanding Voltage Insulation Resistance Operating Temperature Range Maximum Working Voltage Weight/1000 pieces (typical) UNIT WSC01/2 WSC0001 0.1 - 0.99 = 90 0.1 - 0.99 = 90 1.0 - 26.5 = 50 ppm/ C 1.0 - 4.99 = 50 26.51 and above = 20 VAC C V g > 500 > 109 > 500 > 109 WSC2515 WSC0002 WSC4527/WSC6927 0.1 - 0.3 = 150 0.1 - 0.3 = 150 0.1 - 0.99 = 90 0.31 - 0.99 = 90 0.31 - 0.99 = 90 1.0 - 9.9 = 50 1.0 - 26.5 = 50 10.0 and above = 20 1.0 - 9.9 = 50 26.51 and above = 20 10 and above = 20 > 500 > 109 > 500 > 109 > 500 > 109 - 65/+ 275 (P x R)1/2 760/1675

- 65/+ 175 (P x R)1/2 90

- 65/+ 175 (P x R)1/2 165

- 65/+ 275 (P x R)1/2 165

- 65/+ 175 (P x R)1/2 760

GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: WSC2515R7000FEA (preferred part numbering format)

W
GLOBAL MODEL WSC WSN

S
SIZE 01/2 0001 2515 0002 4527 6927

A
SPECIAL (Dash Number) (up to 2 digits) From 1-99 as applicable

VALUE R = decimal K = thousand 54R15 = 54.15 1K500 = 1.5 k

TOLERANCE B = 0.1 % 2) C = 0.25 % 2) D = 0.5 % F = 1.0 % G = 2.0 % H = 3.0 % J = 5.0 % K = 10 %

PACKAGING EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk TA = Tin/Lead, Tape/reel (R86) BA = Tin/Lead, bulk (B43)

Historical Part Number example: WSC2515 0.7 1 % R86 (will continue to be accepted)

WSC2515
HISTORICAL MODEL

0.7
RESISTANCE VALUE

1%
TOLERANCE CODE

R86
PACKAGING

Note 2) WSC2515 only * Pb containing terminations are not RoHS compliant, exemptions may apply www.vishay.com 310 For technical questions, contact: ww2aresistors@vishay.com Document Number: 30102 Revision: 03-Aug-07