WSL
www.vishay.com
Vishay Dale
Power Metal Strip
®
Resistors, Low Value
(Down to 0.0005
Ω),
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
Ω)
• Sulfur resistance by construction that is
Available
unaffected by high sulfur environments
• Very low inductance 0.5 nH to 5 nH
Available
• Low thermal EMF (< 3 μV/°C)
• AEC-Q200 qualified
(1)
Available
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
LINKS TO ADDITIONAL RESOURCES
D
D
3
3
3D Models
Design Tools
Videos
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
SIZE
POWER RATING
P
70 °C
W
RESISTANCE VALUE RANGE
Ω
(2)
TOL. ± 0.5 %
TOL. ± 1.0 %
WEIGHT (typical)
g/1000 pieces
1.9
4.8
16.2
38.9
63.6
118
WSL0603
0603
0.1
0.01 to 0.1
0.01 to 0.1
WSL0805
0805
0.125
0.005 to 0.2
0.005 to 0.2
WSL1206
1206
0.25
0.005 to 0.2
0.0005 to 0.2
WSL2010
2010
0.5
0.004 to 0.5
0.001 to 0.5
(1)
0.003 to 0.5
0.0005 to 0.5
WSL2512
2512
1.0
WSL2816
2816
2.0
0.003 to 0.1
0.002 to 0.1
Notes
• Part marking: value; tolerance: due to resistor size limitations some resistors will be marked with only the resistance value
(1)
For values above 0.1
Ω
derate linearly to 80 % rated power at 0.5
Ω
(2)
WSL1206 0.0005
Ω
to 0.00099
Ω
is only available with 2 % tolerance (G tolerance code)
GLOBAL PART NUMBER INFORMATION
Global Part Numbering Example: WSL25124L000FEA
(visit
www.vishay.net
Vishay Dale parts numbering manual for all options)
W
GLOBAL
MODEL
(7 digits)
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
WSL2816
S
L
2
5
1
2
4
L
0
0
0
F
E
A
RESISTANCE
VALUE
(1)
(5 digits)
L
= mΩ*
R
= decimal
5L000
= 0.005
Ω
R0100
= 0.01
Ω
* Use “L” for resistance
values < 0.01
Ω
TOLERANCE
CODE
(1 digit)
D
= ± 0.5 %
F
= ± 1.0 %
J
= ± 5.0 %
PACKAGING CODE
(2)
(2 digits)
EA
= lead (Pb)-free, tape / reel
EH
= lead (Pb)-free, tape / reel (WSL2816)
TA
= tin / lead, tape / reel (R86)
TG
= tin / lead, tape / reel (RT1, for WSL0603 and WSL0805)
TH
= tin / lead, tape / reel (RJ9, WSL2816)
SB
= tin / lead, tape / reel for
DLA drawings
SPECIAL
(3)
(up to 2 digits)
(dash number)
from
1 to 99
as
applicable
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 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
(3)
Follow link for customization capabilities:
www.vishay.com/doc?48163
Revision: 27-Apr-2020
Document Number: 30100
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
www.vishay.com
Vishay Dale
WSL RESISTOR CHARACTERISTICS
WSL0603
WSL0805 WSL1206 WSL2010 WSL2512 WSL2816
± 75 for 50 mΩ to 100 mΩ
± 75 for 7 mΩ to 500 mΩ
± 110 for 10 mΩ to 49 mΩ
± 110 for 5 mΩ to 6.9 mΩ
-
± 150 for 3 mΩ to 4.9 mΩ
-
± 275 for 1 mΩ to 2.9 mΩ
-
± 400 for 0.5 mΩ to 0.99 mΩ
< 20
-65 to +170
(P x
R)
1/2
(1)
TECHNICAL SPECIFICATIONS
PARAMETER
Component temperature coefficient
(including terminal)
(2)
TCR measured from
-55 °C to +155 °C
Element TCR
(3)
Operating temperature range
Maximum working voltage
(4)
UNIT
ppm/°C
ppm/°C
°C
V
Notes
(1)
Consult factory for detailed TCR performance across temperature range associated with PCN-DR-00003-2020 for WSL0603. TCR
performance is improved for +25 °C to +155 °C
(2)
Component TCR - total TCR that includes the TCR effects of the resistor element and the copper terminal
(3)
Element TCR - only applies to the alloy used for the resistor element; refer to item 1 in the construction illustration on the following page
(4)
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
W
T
L
a
Typical sensing traces
b
Notes
• 3D models available:
www.vishay.com/doc?30306
• Surface mount solder profile recommendations:
www.vishay.com/doc?31052
MODEL
WSL0603
(1)
WSL0805
RESISTANCE
RANGE (Ω)
0.01 to 0.1
0.005 to 0.2
0.0005 to 0.00099
0.001 to 0.0019
WSL1206
0.002 to 0.0059
0.006 to 0.20
0.001 to 0.0069
WSL2010
0.007 to 0.5
0.0005 to 0.00099
0.001 to 0.0049
WSL2512
0.005 to 0.0069
0.007 to 0.5
0.002 to 0.00399
WSL2816
0.004 to 0.1
0.280 ± 0.010
(7.1 ± 0.254)
0.165 ± 0.010
(4.2 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.250 ± 0.010
(6.35 ± 0.254)
0.125 ± 0.010
(3.18 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.200 ± 0.010
(5.08 ± 0.254)
0.100 ± 0.010
(2.54 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.126 ± 0.010
(3.20 ± 0.254)
0.063 ± 0.010
(1.60 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
DIMENSIONS
L
0.060 ± 0.010
(1.52 ± 0.254)
0.080 ± 0.010
(2.03 ± 0.254)
W
0.030 ± 0.010
(0.76 ± 0.254)
0.050 ± 0.010
(1.27 ± 0.254)
H
0.016 ± 0.005
(0.406 ± 0.127)
0.013 ± 0.005
(0.330 ± 0.127)
T
0.015 ± 0.010
(0.381 ± 0.254)
0.015 ± 0.010
(0.381 ± 0.254)
0.041 ± 0.010
(1.04 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.020 ± 0.010
(0.508 ± 0.254)
0.058 ± 0.010
(1.47 ± 0.254)
0.020 ± 0.010
(0.508 ± 0.254)
0.107 ± 0.010
(2.72 ± 0.254)
0.087 ± 0.010
(2.21 ± 0.254)
0.047 ± 0.010
(1.19 ± 0.254)
0.030 ± 0.010
(0.762 ± 0.254)
0.098 ± 0.010
(2.49 ± 0.254)
0.062 ± 0.010
(1.57 ± 0.254)
SOLDER PAD DIMENSIONS
a
b
l
0.040
0.040
0.020
(1.01)
(1.01)
(0.50)
0.040
0.050
0.020
(1.02)
(1.27)
(0.50)
0.089
0.076
0.023
(2.26)
(1.93)
(0.58)
0.086
0.076
0.029
(2.18)
(1.93)
(0.74)
0.070
0.076
0.061
(1.78)
(1.93)
(1.55)
0.065
0.076
0.071
(1.65)
(1.93)
(1.80)
0.093
0.120
0.055
(2.36)
(3.05)
(1.40)
0.055
0.120
0.130
(1.40)
(3.05)
(3.30)
0.120
(3.05)
0.083
(2.11)
0.065
(1.65)
0.135
(3.43)
0.096
(2.45)
0.145
(3.68)
0.050
(1.27)
0.125
(3.18)
0.160
(4.06)
0.060
(1.52)
0.125
(3.20)
0.185
(4.7)
Note
(1)
PCN-DR-00003-2020 changed terminal height for WSL0603 from 0.013" ± 0.005" for clad construction to 0.016" ± 0.005" for welded
construction
Revision: 27-Apr-2020
Document Number: 30100
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
www.vishay.com
DERATING
Rated Power in %
120
100
Vishay Dale
PULSE CAPABILITY
click to get started
80
60
40
20
U
S
LL
I
- 25
0
25
50
75
70
100
125
150
170
VE
TI
A
TR
S
S
E
O
RP
PU
LY
ON
0
- 65 - 50
Ambient Temperature in °C
www.vishay.com/resistors/power-metal-strip-calculator
WELDED CONSTRUCTION
2816, 2512, 2010, 1206, 0603
1 Resistive element:
solid
metal nickel-chrome
or manganese-copper
alloy resistive element with
low TCR (< 20 ppm/°C)
2 Plated terminal:
solid
copper,
100 %
Sn
(100 μ" min.) with
100 % Ni (20 μ" min.) under
layer finish
3 Terminal / element weld
4
Silicone
coating with ink print
CLAD CONSTRUCTION
0805
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
1
2
3
4 High temperature encapsulant:
“siliconized polyester”
coating material
4
4
2
3
1
PERFORMANCE
TEST
Thermal shock
Short time overload
Low temperature operation
High temperature exposure
Bias humidity
Mechanical shock
Vibration
Load life
Resistance to solder heat
Moisture resistance
CONDITIONS OF TEST
-55 °C to +150 °C, 1000 cycles, 15 min at each extreme
Refer to link for short time overload performance and pulse capability;
www.vishay.com/resistors/power-metal-strip-calculator/
-65 °C for 24 h
1000 h at + 170 °C
+85 °C, 85 % RH, 10 % bias, 1000 h
100
g’s
for 6 ms, 5 pulses
Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 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
MIL-STD-202, method 106, 0 % power, 7a and 7b not required
TEST LIMITS
± 0.5 % + 0.0005
Ω
± 0.5 % + 0.0005
Ω
± 0.5 % + 0.0005
Ω
± 1.0 % + 0.0005
Ω
± 0.5 % + 0.0005
Ω
± 0.5 % + 0.0005
Ω
± 0.5 % + 0.0005
Ω
± 1.0 % + 0.0005
Ω
± 0.5 % + 0.0005
Ω
± 0.5 % + 0.0005
Ω
PACKAGING
MODEL
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
WSL2816
(1)
REEL
TAPE WIDTH
8 mm / punched paper
8 mm / punched paper
8 mm / embossed plastic
12 mm / embossed plastic
12 mm / embossed plastic
12 mm / embossed plastic
DIAMETER
178 mm / 7"
178 mm / 7"
178 mm / 7"
178 mm / 7"
178 mm / 7"
178 mm / 7"
PIECES/REEL
5000
5000
4000
4000
2000
2000
CODE
EA
EA
EA
EA
EA
EH
Notes
• Embossed carrier tape per EIA-481
(1)
Additional packaging details at
www.vishay.com/doc?20051
Revision: 27-Apr-2020
Document Number: 30100
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.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
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
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
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
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2019 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2019
1
Document Number: 91000
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