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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
Available
• High power ratings (up to 3 W)
LINKS TO ADDITIONAL RESOURCES
3D 3D
3D Models
• Superior surge capability
• Available in non-inductive styles with AyrtonPerry winding (WSN in lieu of WSC, maximum resistance is one-half WSC range)
Available Available
• AEC-Q200 qualified (1)
Available
• Material categorization: for definitions of compliance please see www.vishay.com/doc?99912
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
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL
HISTORICAL MODEL
SIZE
POWER RATING P70 °C W
RESISTANCE RANGE Ω
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 (2)
WSC-1 2515
1
0.1 to 2.77K
0.5, 1, 5
165
Thermoplastic (1)
WSC2515
WSC2515 2515
1
0.1 to 2.5K
0.5, 1, 5
165
Thermoplastic
WSC0002
WSC-2 4527
2
0.1 to 4.92K
0.5, 1, 5
760
Thermoplastic (1)
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
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
[email protected] for supporting information
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
WSC01/2
WSC2515
WSC0002
WSC4527, WSC6927
Temperature coefficient measured from -55 °C to +150 °C
ppm/°C
± 50 = 1.0 Ω to 4.99 Ω; ± 90 = 0.1 Ω to 0.99 Ω
± 20 = 26.51 Ω and above; ± 50 = 1.0 Ω to 26.5 Ω; ± 90 = 0.31 Ω to 0.99 Ω; ± 150 = 0.1 Ω to 0.3 Ω
± 20 = 10.0 Ω and above; ± 50 = 1.0 Ω to 9.9 Ω; ± 90 = 0.1 Ω to 0.99 Ω
± 20 = 10 Ω and above; ± 50 = 1.0 Ω to 9.9 Ω;
± 90 = 0.31 Ω to 0.99 Ω; ± 150 = 0.1 Ω to 0.3 Ω
Dielectric withstanding voltage
VAC
> 500
Insulation resistance
Ω
> 109
Operating temperature range
°C
-65 to +175
-65 to +275
Maximum working voltage
V
(P x R)1/2
Revision: 16-Mar-2023
1
Document Number: 30102
For technical questions, contact:
[email protected]
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
www.vishay.com
WSC, WSN
Vishay Dale
GLOBAL PART NUMBER INFORMATION
Global Part Numbering Example: WSC2515R7000FEA (visit www.vishay.net Vishay Dale parts numbering manual for all options)
WS C 2 5 1 5 R 7 0 0 0 F E A
GLOBAL MODEL
WSC WSN
SIZE
01/2 2515 0002 4527 6927
VALUE (1)
R = decimal K = thousand R7000 = 0.70 Ω 1K500 = 1.5 kΩ
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)
SPECIAL
(dash number) (up to 2 digits) from 1 to 99 as applicable
Notes (1) WSC / WSN marking (www.vishay.com/doc?30327) • 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
DIMENSIONS in inches (millimeters)
W
H
W1
T L
L
b
a
GLOBAL MODEL
WSC01/2
L
0.200 ± 0.020 (5.08 ± 0.508)
H
0.096 ± 0.015 (2.44 ± 0.381)
DIMENSIONS
T
0.040 ± 0.010 (1.02 ± 0.254)
W
0.125 ± 0.005 (3.18 ± 0.127)
W1
0.050 ± 0.010 (1.27 ± 0.254)
SOLDER PAD DIMENSIONS
a
b
L
0.085 (2.16) 0.070 (1.78) 0.080 (2.03)
WSC2515
0.250 ± 0.020 (6.35 ± 0.508)
0.110 ± 0.015 (2.79 ± 0.381)
0.045 ± 0.010 (1.14 ± 0.254)
0.150 ± 0.005 (3.81 ± 0.127)
0.098 ± 0.010 (2.49 ± 0.254)
0.090 (2.29)
0.115 (2.92)
0.120 (3.05)
WSC0002
0.455 ± 0.020 (11.56 ± 0.508)
0.167 ± 0.010 (4.24 ± 0.254)
0.100 ± 0.010 (2.54 ± 0.254)
0.275 ± 0.005 (6.98 ± 0.127)
0.215 ± 0.005 (5.46 ± 0.127)
0.155 (3.94) 0.230 (5.84)
0.205 (5.21)
WSC4527
0.455 ± 0.020 (11.56 ± 0.508)
0.167 ± 0.010 (4.24 ± 0.254)
0.100 ± 0.010 (.