Document Number: 30102

www.vishay.com

Revision: 17-Feb-11

1

Wirewound Resistors,

Precision Power, Surface Mount

WSC, WSN

Vishay Dale

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)

• Compliant to RoHS Directive 2002/95/EC

Note

some resistor technologies.

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.

 to 2.5 k range.

Note

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

HISTORICAL

MODEL

SIZE

W

RESISTANCE RANGE



TOLERANCE

± %

WEIGHT (typical)

g/1000 pieces

ENCAPSULATION

WSC01/2

WSC-1/2

2012

0.5

0.1 to 4.99

0.5, 1, 5

90

Epoxy

WSC0001

WSC-1

2515

1

0.1 to 2.77K

0.5, 1, 5

165

WSC2515

WSC2515

2515

1

0.1 to 2.5K

165

Thermoplastic

WSC0002

WSC-2

4527

2

0.1 to 4.92K

0.5, 1, 5

760

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

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

WSC01/2

WSC0001

WSC2515

WSC0002

WSC4527/WSC6927

Temperature

Coefficient

ppm/°C ± 50 = 1.0  to 4.99 

± 90 = 0.1

to 0.99 

± 20 = 26.51

andabove;

± 50 = 1.0

 to 26.5 ;

± 90 = 0.1

 to 0.99 

± 20 = 26.51

 and above;

± 50 = 1.0

 to 26.5 ;

± 90 = 0.31

 to 0.99 

± 150 = 0.1

 to 0.3 

±20 = 10.0

 andabove;

± 50 = 1.0

 to 9.9 ;

± 90 = 0.1

 to 0.99 

± 20 = 10

 and above;

± 50 = 1.0

 to 9.9 ;

± 90 = 0.31

 to 0.99 

± 150 = 0.1

 to 0.3 

Dielectric

Withstanding Voltage

> 500

Insulation Resistance



Operating

Temperature Range

°C

- 65 to + 175

- 65 to + 275

Maximum Working

Voltage

V

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: WSC2515R7000FEA

GLOBAL MODEL

SIZE

VALUE

TOLERANCE

PACKAGING

SPECIAL

WSC

WSN

01/2

0001

2515

0002

4527

6927

R = Decimal

K = Thousand

R7000 = 0.70



1K500 = 1.5 k



D = ± 0.5 %

F = ± 1.0 %

G = ± 2.0 %

H = ± 3.0 %

J = ± 5.0 %

K = ± 10 %

EA = Lead (Pb)-free, tape/reel

EK = Lead (Pb)-free, bulk

TA = Tin/lead, tape/reel (R86)

BA = Tin/lead, bulk (B43)

(Dash number)

(Up to 2 digits)

From 1 to 99

as applicable

Historical Part Numbering example: WSC-1 0.7

 1 % R86

WSC-1

0.7



1 %

R86

HISTORICAL MODEL

RESISTANCE VALUE

TOLERANCE

PACKAGING

* Pb containing terminations are not RoHS compliant, exemptions may apply

2515

R

7

000

F

E

A

SC

W