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 )
• Sulfur resistance by construction that is
unaffected by high sulfur environments
Available
• Very low inductance 0.5 nH to 5 nH
Available
• Low thermal EMF (< 3 μV/°C)
DESIGN SUPPORT TOOLS
Models
click logo to get started
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Design Tools
Available
Available
• AEC-Q200 qualified (1)
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
WEIGHT
(typical)
g/1000 pieces
GLOBAL
MODEL
SIZE
POWER RATING
P70 °C
W
Tol. ± 0.5 %
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
Tol. ± 1.0 %
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)
W
S
L
2
5
1
2
4
GLOBAL MODEL RESISTANCE VALUE (1) TOLERANCE CODE
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
L = m*
R = decimal
5L000 = 0.005
R0100 = 0.01
* Use “L” for resistance
values < 0.01
D = ± 0.5 %
F = ± 1.0 %
J = ± 5.0 %
L
0
0
0
F
E
A
1
8
PACKAGING CODE (2)
SPECIAL
EA = lead (Pb)-free, tape / reel
EK = lead (Pb)-free, bulk
18 =
“High power”
option
TA = tin / lead, tape / reel (R86)
TG = tin / lead, tape / reel (RT1, for WSL0603 and WSL0805)
BA = tin / lead, bulk (B43)
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
Component temperature coefficient
(including terminal) (1)
TCR measured from -55 °C to 150 °C
± 110 for 5 m to 6.9 m
ppm/°C
± 150 for 3 m to 4.9 m
± 275 for 1 m to 2.9 m
± 400 for 0.5 m to 0.99 m
Element TCR (2)
ppm/°C
< 20
Operating temperature range
°C
-65 to +170
Maximum working voltage (3)
V
(P x R)1/2
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.
MODEL
RESISTANCE
RANGE ()
DIMENSIONS
L
W
SOLDER PAD DIMENSIONS
H
T
a
b
l
WSL0603...18
0.01 to 0.1
0.060 ± 0.010
(1.52 ± 0.254)
0.030 ± 0.010
(0.76 ± 0.254)
0.013 ± 0.010 0.015 ± 0.005
(0.330 ± 0.254) (0.381 ± 0.127)
0.040
(1.01)
0.040
(1.01)
0.020
(0.50)
WSL0805...18
0.005 to 0.2
0.080 ± 0.010
(2.03 ± 0.254)
0.050 ± 0.010
(1.27 ± 0.254)
0.013 ± 0.010 0.015 ± 0.005
(0.330 ± 0.254) (0.381 ± 0.127)
0.040
(1.02)
0.050
(1.27)
0.020
(0.50)
0.062
(1.57)
0.070
(1.78)
0.030
(0.76)
0.058 ± 0.010
(1.47 ± 0.254)
0.093
(2.36)
0.120
(3.05)
0.055
(1.40)
0.007 to 0.5
0.020 ± 0.010
(0.508 ± 0.254)
0.055
(1.40)
0.120
(3.05)
0.130
(3.30)
0.0005 to 0.00099
0.107 ± 0.010
(2.72 ± 0.254)
0.001 to 0.0049
0.087 ± 0.010
(2.21 ± 0.254)
0.041 ± 0.010
(1.04 ± 0.254)
0.001 to 0.0019
WSL1206...18
0.002 to 0.0059
0.126 ± 0.010
(3.20 ± 0.254)
0.063 ± 0.010
(1.60 ± 0.254)
0.025 ± 0.010 0.025 ± 0.010
(0.635 ± 0.254) (0.635 ± 0.254)
0.020 ± 0.010
(0.508 ± 0.254)
0.006 to 0.20
0.001 to 0.0069
0.200 ± 0.010
(5.08 ± 0.254)
WSL2010...18
0.250 ± 0.010
(6.35 ± 0.254)
WSL2512...18
0.100 ± 0.010
(2.54 ± 0.254)
0.125 ± 0.010
(3.18 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.120
(3.05)
0.005 to 0.0069
0.047 ± 0.010
(1.19 ± 0.254)
0.083
(2.11)
0.007 to 0.04
0.030 ± 0.010
(0.762 ± 0.254)
0.065
(1.65)
Revision: 16-May-2018
0.050
(1.27)
0.145
(3.68)
0.125
(3.18)
0.160
(4.06)
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
WSL...18 High Power
www.vishay.com
Vishay Dale
Rated Power in %
DERATING
PULSE CAPABILITY
120
click to get started
100
80
60
40
US
ILL
20
0
- 65 - 50
- 25
0
25
50
75
100
125
150
170
Ambient Temperature in °C
70
WELDED CONSTRUCTION 2512, 2010, 1206
4
1
2
VE
TI
A
TR
S
SE
O
RP
PU
LY
ON
1) Resistive element:
solid metal nickel-chrome
or manganese-copper
alloy resistive element with
low TCR (< 20 ppm/°C)
2) Plated terminal
3) Terminal / element weld
4) Silicone coating with ink print
3
www.vishay.com/resistors/power-metal-strip-calculator
CLAD CONSTRUCTION 0805 and 0603
4
1
2
3
1) Resistive element: Ni-Cr
2) Terminal: Solid copper,
100 % Sn (100 μ" min.) with
100 % Ni (20 μ" min.) under
layer finish
3) Terminal to element weld
4) High temperature encapsulant:
“siliconized polyester”
coating material
PERFORMANCE
TEST
CONDITIONS OF TEST
Thermal shock
TEST LIMITS
-55 °C to +150 °C, 1000 cycles, 15 min at each extreme
± 0.5 % + 0.0005
Short time overload
5 x rated power for 5 s
± 0.5 % + 0.0005
Low temperature storage
-65 °C for 24 h
± 0.5 % + 0.0005
High temperature exposure
1000 h at + 170 °C
± 1.0 % + 0.0005
Bias humidity
+85 °C, 85 % RH, 10 % bias, 1000 h
± 0.5 % + 0.0005
Mechanical shock
100 g’s for 6 ms, 5 pulses
± 0.5 % + 0.0005
Vibration
Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h
± 0.5 % + 0.0005
Load life
1000 h at rated power, + 70 °C, 1.5 h “ON”, 0.5 h “OFF”
± 1.0 % + 0.0005
Resistance to solder heat
+260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence
± 0.5 % + 0.0005
Moisture resistance
MIL-STD-202, method 106, 0 % power, 7a and 7b not required
± 0.5 % + 0.0005
PACKAGING
(1)
MODEL
REEL
TAPE WIDTH
DIAMETER
PIECES/REEL
CODE
WSL0603...18
8 mm/punched paper
178 mm/7"
5000
EA
WSL0805...18
8 mm/punched paper
178 mm/7"
5000
EA
WSL1206...18
8 mm/embossed plastic
178 mm/7"
4000
EA
WSL2010...18
12 mm/embossed plastic
178 mm/7"
4000
EA
WSL2512...18
12 mm/embossed plastic
178 mm/7"
2000
EA
Notes
• Embossed Carrier Tape per EIA-481.
(1) Additional packaging details at www.vishay.com/doc?20051.
Revision: 16-May-2018
Document Number: 31057
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
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www.vishay.com
Vishay
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Revision: 01-Jan-2019
1
Document Number: 91000