WSC, WSN
Vishay Dale
Wirewound Resistors,
Precision Power, Surface Mount
FEATURES
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•
•
•
•
•
•
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 AyrtonPerry winding (WSN in lieu of WSC, maximum
resistance is one-half WSC range)
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 HISTORICAL SIZE POWER RATING P70 °C RESISTANCE RANGE
TOLERANCE
WEIGHT (typical) 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
0.5, 1, 5
165
Thermoplastic (3)
WSC0001
WSC-1
2515
1
0.1 to 2.77K
WSC2515
WSC2515
2515
1
0.1 to 2.5K
0.1, 0.25, 0.5, 1, 5 (2)
165
Thermoplastic
0.5, 1, 5
760
Thermoplastic (3)
WSC0002
WSC-2
4527
2
0.1 to 4.92K
WSC4527
WSC4527
4527
2
0.1 to 4.92K
0.5, 1, 5
760
Thermoplastic
0.5, 1, 5
1675
Thermoplastic
WSC6927
WSC6927
6927
3
0.1 to 8K
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
WSC0001
WSC2515
WSC0002
and above;
± 20 = 26.51 and above; ± 20 = 26.51 to 26.5 ; ± 20 = 10.0 and above;
± 50 = 1.0
ppm/°C ± 50 = 1.0 to 4.99 ± 50 = 1.0 to 26.5 ;
± 50 = 1.0 to 9.9
± 90 = 0.1 to 0.99 ± 90 = 0.1 to 0.99
± 90 = 0.31 to 0.99 ± 90 = 0.1 to 0.99;
± 150 = 0.1 to 0.3
Temperature
Coefficient
Dielectric
Withstanding Voltage
Insulation Resistance
Operating
Temperature Range
Maximum Working
Voltage
WSC01/2
VAC
> 500
WSC4527/WSC6927
± 20 = 10 and above;
± 50 = 1.0 to 9.9 ;
± 90 = 0.31 to 0.99
± 150 = 0.1 to 0.3
> 109
°C
- 65 to + 175
- 65 to + 275
(P x R)1/2
V
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSC2515R7000FEA
W
S
C
2
5
1
5
R
7
0
0
0
F
E
A
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
B = ± 0.1 % (4)
C = ± 0.25 % (4)
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
Note
(4) WSC2515 only
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
Document Number: 30102
Revision: 17-Feb-11
For technical questions, contact: ww2aresistors@vishay.com
www.vishay.com
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