WSL...18 High Power
www.vishay.com
Vishay Dale
Power Metal Strip Resistors, High Power (2 x Standard WSL),
Low Value (down to 0.0005 ), Surface Mount
FEATURES
All welded construction of the Power Metal
Strip resistors are ideal for all types of current
sensing, voltage division and pulse
applications
Available
Proprietary processing technique produces
extremely low resistance values (down to
0.0005 )
Available
Sulfur resistance by construction that is
unaffected by high sulfur environments
Available
Very low inductance 0.5 nH to 5 nH
Low thermal EMF (< 3 V/C)
Available
click logo to get started (1)
DESIGN SUPPORT TOOLS
AEC-Q200 qualified
Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Models Design Tools
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.
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE VALUE RANGE
POWER RATING WEIGHT
GLOBAL
SIZE P (typical)
70 C
MODEL
W g/1000 pieces
Tol. 0.5 % Tol. 1.0 %
WSL0603...18 0603 0.20 0.01 to 0.1 0.01 to 0.1 1.9
WSL0805...18 0805 0.25 0.005 to 0.2 0.005 to 0.2 4.8
WSL1206...18 1206 0.5 0.005 to 0.2 0.001 to 0.2 16.2
WSL2010...18 2010 1.0 0.004 to 0.5 0.001 to 0.5 38.9
WSL2512...18 2512 2.0 0.003 to 0.04 0.0005 to 0.04 63.6
Note
Part marking: Value; tolerance: Due to resistor size limitations some resistors will be marked with only the resistance value.
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSL25124L000FEA18 (visit www.vishay.net Vishay Dale parts numbering manual for all options)
WS L2 5 1 2 4L0 0 0FAE 1 8
(1) (2)
GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL
WSL0603 L = m * D = 0.5 % EA = lead (Pb)-free, tape / reel 18 =
WSL0805 R = decimal F = 1.0 % EK = lead (Pb)-free, bulk High power
WSL1206 5L000 = 0.005 J = 5.0 %
option
TA = tin / lead, tape / reel (R86)
WSL2010 R0100 = 0.01
TG = tin / lead, tape / reel (RT1, for WSL0603 and WSL0805)
WSL2512
BA = tin / lead, bulk (B43)
* Use L for resistance
values < 0.01
Notes
(1)
WSL Marking (www.vishay.com/doc?30327); WSL Decade Values (www.vishay.com/doc?30117)
(2)
Packaging code: EB (lead (Pb)-free) and TB (tin / lead) are non-standard packaging codes that designate 1000 piece reel quantities. 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: 16-May-2018 Document Number: 31057
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
WSL...18 High Power
www.vishay.com
Vishay Dale
TECHNICAL SPECIFICATIONS
PARAMETER UNIT RESISTOR CHARACTERISTICS
75 for 7 m to 0.5
110 for 5 m to 6.9 m
Component temperature coefficient
(1)
(including terminal) ppm/C 150 for 3 m to 4.9 m
TCR measured from -55 C to 150 C
275 for 1 m to 2.9 m
400 for 0.5 m to 0.99 m
(2)
Element TCR ppm/C < 20
Operating temperature range C -65 to +170
(3) 1/2
Maximum working voltage V(P x R)
Notes
(1)
Component TCR - total TCR that includes the TCR effects of the resistor element and the copper terminal
(2)
Element TCR - only applies to the alloy used for the resistor element; refer to item 1 in the construction illustration on the following page#
(3)
Maximum working voltage - the WSL is not voltage sensitive, but is limited by power / energy dissipation and is also not ESD sensitive
DIMENSIONS in inches (millimeters)
H
l b
W
a
T
L
Typical sensing traces
Notes
3D models available: www.vishay.com/doc?30307.
Surface mount solder profile recommendations: www.vishay.com/doc?31052.
DIMENSIONS SOLDER PAD DIMENSIONS
RESISTANCE
MODEL
RANGE ()
L W H T a b l
0.060 0.010 0.030 0.010 0.013 0.010 0.015 0.005 0.040 0.040 0.020
WSL0603...18 0.01 to 0.1
(1.52 0.254) (0.76 0.254) (0.330 0.254) (0.381 0.127) (1.01) (1.01) (0.50)
0.080 0.010 0.050 0.010 0.013 0.010 0.015 0.005 0.040 0.050 0.020
WSL0805...18 0.005 to 0.2
(2.03 0.254) (1.27 0.254) (0.330 0.254) (0.381 0.127) (1.02) (1.27) (0.50)
0.041 0.010
0.001 to 0.0019
(1.04 0.254)
0.126 0.010 0.063 0.010 0.025 0.010 0.025 0.010 0.062 0.070 0.030
WSL1206...18 0.002 to 0.0059
(3.20 0.254) (1.60 0.254) (0.635 0.254) (0.635 0.254) (1.57) (1.78) (0.76)
0.020 0.010
0.006 to 0.20
(0.508 0.254)
0.058 0.010 0.093 0.120 0.055
0.001 to 0.0069
(1.47 0.254) (2.36) (3.05) (1.40)
0.200 0.010 0.100 0.010 0.025 0.010
WSL2010...18
(5.08 0.254) (2.54 0.254) (0.635 0.254)
0.020 0.010 0.055 0.120 0.130
0.007 to 0.5
(0.508 0.254) (1.40) (3.05) (3.30)
0.107 0.010
0.0005 to 0.00099
(2.72 0.254)
0.120 0.050
(3.05) (1.27)
0.087 0.010
0.001 to 0.0049
(2.21 0.254)
0.250 0.010 0.125 0.010 0.025 0.010 0.145
WSL2512...18
(6.35 0.254) (3.18 0.254) (0.635 0.254) (3.68)
0.047 0.010 0.083 0.125
0.005 to 0.0069
(1.19 0.254) (2.11) (3.18)
0.030 0.010 0.065 0.160
0.007 to 0.04
(0.762 0.254) (1.65) (4.06)
Revision: 16-May-2018 Document Number: 31057
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