WSC, WSN
www.vishay.com
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
(1)
Material categorization: for definitions of
compliance
please
see
www.vishay.com/doc?99912
Available
Available
DESIGN TOOLS
(click logo to get started)
Models
Available
•
•
Available
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.
Available
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
HISTORICAL SIZE POWER RATING
P
70 °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
(2)
WSC-1
2515
1
0.1 to 2.77K
0.5, 1, 5
165
Thermoplastic
(1)
WSC0001
WSC2515
WSC2515
2515
1
0.1 to 2.5K
0.5, 1, 5
165
Thermoplastic
0.5, 1, 5
760
Thermoplastic
(1)
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.
(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
Temperature
coefficient
Dielectric withstanding
voltage
Insulation resistance
Operating temperature
range
Maximum working
voltage
WSC2515
WSC0002
WSC4527, WSC6927
± 20 = 10
and above;
± 20 = 26.51
and above;
± 20 = 10.0
and above;
± 50 = 1.0
to 9.9
;
± 50 = 1.0
to 4.99
± 50 = 1.0
to 26.5
;
ppm/°C
± 50 = 1.0
to 9.9
;
± 90 = 0.31
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
± 150 = 0.1
to 0.3
V
AC
°C
V
-65 to +175
(P x R)
1/2
> 500
> 10
9
-65 to +275
UNIT
WSC01/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSC2515R7000FEA
(visit
www.vishay.net
Vishay Dale parts numbering manual for all options)
W
S
C
2
SIZE
01/2
2515
0002
4527
6927
5
1
5
VALUE
R
7
0
0
0
F
E
A
SPECIAL
(dash number)
(up to 2 digits)
from
1 to 99
as applicable
GLOBAL MODEL
WSC
WSN
TOLERANCE
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)
R
= decimal
K
= thousand
R7000
= 0.70
1K500
= 1.5 k
Note
• 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.
Revision: 13-Oct-16
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
WSC, WSN
www.vishay.com
DIMENSIONS
in inches (millimeters)
W
H
Vishay Dale
L
W1
a
T
L
b
GLOBAL
MODEL
WSC01/2
WSC2515
WSC0002
WSC4527
WSC6927
DIMENSIONS
L
0.200 ± 0.020
(5.08 ± 0.508)
0.250 ± 0.020
(6.35 ± 0.508)
0.455 ± 0.020
(11.56 ± 0.508)
0.455 ± 0.020
(11.56 ± 0.508)
0.690 ± 0.032
(17.53 ± 0.813)
H
0.096 ± 0.015
(2.44 ± 0.381)
0.110 ± 0.015
(2.79 ± 0.381)
0.167 ± 0.010
(4.24 ± 0.254)
0.167 ± 0.010
(4.24 ± 0.254)
0.280 ± 0.015
(7.11 ± 0.381)
T
0.040 ± 0.010
(1.02 ± 0.254)
0.045 ± 0.010
(1.14 ± 0.254)
0.100 ± 0.010
(2.54 ± 0.254)
0.100 ± 0.010
(2.54 ± 0.254)
0.100 ± 0.010
(2.54 ± 0.254)
W
0.125 ± 0.005
(3.18 ± 0.127)
0.150 ± 0.005
(3.81 ± 0.127)
0.275 ± 0.005
(6.98 ± 0.127)
0.275 ± 0.005
(6.98 ± 0.127)
0.275 ± 0.005
(6.98 ± 0.127)
W
1
0.050 ± 0.010
(1.27 ± 0.254)
0.098 ± 0.005
(2.49 ± 0.127)
0.215 ± 0.005
(5.46 ± 0.127)
0.215 ± 0.005
(5.46 ± 0.127)
0.215 ± 0.015
(5.46 ± 0.381)
SOLDER PAD DIMENSIONS
a
0.085 (2.16)
0.090 (2.29)
0.155 (3.94)
0.155 (3.94)
0.155 (3.94)
b
0.070 (1.78)
0.115 (2.92)
0.230 (5.84)
0.230 (5.84)
0.235 (5.97)
L
0.080 (2.03)
0.120 (3.05)
0.205 (5.21)
0.205 (5.21)
0.470 (11.94)
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
Temperature Rise in °C
200
WSC0002
WSC4527
WSC01/2
WSC2515
100
DERATING
Rated Power in %
120
100
80
60
40
WSC0002
(1)
WSC2515
WSC4527
WSC6927
150
WSC6927
50
20
0
WSC01/2
0
0.5
1.0
1.5
2.0
2.5
3.0
0
- 65
- 25
25
75
70
125
175
225
275
Power in W
Ambient Temperature in °C
Note
(1)
As of 1/1/2010, WSC0002 will be molded with thermoplastic and have the higher 275 °C temperature derating.
PERFORMANCE
TEST
Thermal shock
Short time overload
Low temperature storage
High temperature exposure
Bias humidity
Mechanical shock
Vibration
Load life
Resistance to solder heat
5 x rated power for 5 s
-65 °C for 24 h
1000 h at + 275 °C (+175 °C for WSC01/2)
+85 °C, 85 % RH, 10 % bias, 1000 h
100
g’s
for 6 ms, 5 pulses
Frequency varied 10 Hz to 500 Hz in 1 min, 3 directions, 9 h
1000 h at rated power, +70 °C, 1.5 h “ON”, 0.5 h “OFF”
+260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence
CONDITIONS OF TEST
-55 °C to +150 °C, 1000 cycles, 15 min at each extreme
TEST LIMITS
± 0.5 % + 0.05
± 0.2 % + 0.05
± 0.2 % + 0.05
± 0.5 % + 0.05
± 0.2 % + 0.05
± 0.1 % + 0.05
± 0.1 % + 0.05
± 1.0 % + 0.05
± 0.5 % + 0.05
Revision: 13-Oct-16
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
WSC, WSN
www.vishay.com
Vishay Dale
REEL
PACKAGING
MODEL
WSC01/2
WSC2515
WSC0002, WSC4527
WSC6927
TAPE WIDTH
12 mm/embossed plastic
16 mm/embossed plastic
24 mm/embossed plastic
32 mm/embossed plastic
DIAMETER
330 mm/13"
330 mm/13"
330 mm/13"
330 mm/13”
PIECES/REEL
2000
2000
1200
725
CODE
EA/TA
EA/TA
EA/TA
EA/TA
Notes
• Embossed carrier tape per EIA-481.
• Additional packaging details at
www.vishay.com/doc?20051.
Revision: 13-Oct-16
Document Number: 30102
3
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
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including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
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© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
