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
• Ideal for all types of current sensing, voltage
division and pulse applications including
switching and linear power supplies,
instruments, power amplifiers
• Proprietary processing technique produces
Available
extremely low resistance values (down to
0.0005
)
• Specially selected and stabilized materials
allow for high power ratings (2 x standard WSL
rating)
• All welded construction
Available
• Solderable terminations
• Very low inductance 0.5 nH to 5 nH
Available
• Excellent frequency response to 50 MHz
• Solid metal nickel-chrome or manganese-
copper alloy resistive element with low TCR
Available
(< 20 ppm/°C)
• Low thermal EMF (< 3 μV/°C)
• AEC-Q200 qualified available
• Material categorization: For definitions of compliance
please see
www.vishay.com/doc?99912
Note
*
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.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
SIZE
POWER RATING
P
70 °C
W
0.20
0.25
0.5
1.0
2.0
RESISTANCE VALUE RANGE
Tol. ± 0.5 %
Tol. ± 1.0 %
0.01 to 0.1
0.01 to 0.1
0.005 to 0.2
0.005 to 0.2
0.005 to 0.2
0.001 to 0.2
0.004 to 0.5
0.001 to 0.5
0.003 to 0.04
0.0005 to 0.04
WEIGHT
(typical)
g/1000 pieces
1.9
4.8
16.2
38.9
63.6
WSL0603...18
0603
WSL0805...18
0805
WSL1206...18
1206
WSL2010...18
2010
WSL2512...18
2512
Note
• Part marking: Value; tolerance: Due to resistor size limitations some resistors will be marked with only the resistance value.
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature coefficient
Element TCR
Operating temperature range
Maximum working voltage
UNIT
ppm/°C
ppm/°C
°C
V
RESISTOR CHARACTERISTICS
± 400 for 0.5 m to 0.99 m, ± 275 for 1 m to 2.9 m, ± 150 for 3 m to 4.9 m
± 110 for 5 m to 6.9 m, ± 75 for 7 m to 0.5
< 20
- 65 to + 170
(P x
R)
1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSL25124L000FTA18
W
GLOBAL MODEL
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
S
L
2
5
1
2
4
L
0
0
0
F
T
A
1
8
SPECIAL
18
=
“High power”
option
RESISTANCE VALUE
L
= m*
R
= Decimal
5L000
= 0.005
R0100
= 0.01
* Use “L” for resistance
values < 0.01
TOLERANCE CODE
D
= ± 0.5 %
F
= ± 1.0 %
J
= ± 5.0 %
PACKAGING CODE
EA
= Lead (Pb)-free, tape/reel
EK
= Lead (Pb)-free, bulk
TA
= Tin/lead, tape/reel (R86)
TG
= Tin/lead, tape/reel (RT1, for WSL0603 and WSL0805)
BA
= Tin/lead, bulk (B43)
Historical Part Numbering example: WSL2512-18 0.004
1 % R86
WSL2512-18
HISTORICAL MODEL
Revision: 05-Mar-14
0.004
RESISTANCE VALUE
1%
TOLERANCE CODE
R86
PACKAGING CODE
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
DIMENSIONS
in inches (millimeters)
H
l
W
T
L
a
Typical sensing traces
b
Vishay Dale
MODEL
WSL0603...18
WSL0805...18
RESISTANCE
RANGE ()
0.01 to 0.1
0.005 to 0.2
0.001 to 0.0019
DIMENSIONS
L
0.060 ± 0.010
(1.52 ± 0.254)
0.080 ± 0.010
(2.03 ± 0.254)
0.126 ± 0.010
(3.20 ± 0.254)
W
0.030 ± 0.010
(0.76 ± 0.254)
0.050 ± 0.010
(1.27 ± 0.254)
0.063 ± 0.010
(1.60 ± 0.254)
H
T
0.013 ± 0.010 0.015 ± 0.005
(0.330 ± 0.254) (0.381 ± 0.127)
0.013 ± 0.010 0.015 ± 0.005
(0.330 ± 0.254) (0.381 ± 0.127)
0.041 ± 0.010
(1.04 ± 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)
0.058 ± 0.010
0.025 ± 0.010 (1.47 ± 0.254)
(0.635 ± 0.254) 0.020 ± 0.010
(0.508 ± 0.254)
0.107 ± 0.010
(2.72 ± 0.254)
0.087 ± 0.010
0.025 ± 0.010 (2.21 ± 0.254)
(0.635 ± 0.254) 0.047 ± 0.010
(1.19 ± 0.254)
0.030 ± 0.010
(0.762 ± 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)
0.062
(1.57)
0.093
(2.36)
0.055
(1.40)
0.120
(3.05)
0.083
(2.11)
0.065
(1.65)
0.145
(3.68)
0.070
(1.78)
0.120
(3.05)
0.120
(3.05)
0.030
(0.76)
0.055
(1.40)
0.130
(3.30)
0.050
(1.27)
0.125
(3.18)
0.160
(4.06)
WSL1206...18
0.002 to 0.0059
0.006 to 0.20
0.001 to 0.0069
WSL2010...18
0.007 to 0.5
0.0005 to 0.00099
0.001 to 0.0049
WSL2512...18
0.005 to 0.0069
0.007 to 0.04
0.200 ± 0.010
(5.08 ± 0.254)
0.100 ± 0.010
(2.54 ± 0.254)
0.250 ± 0.010
(6.35 ± 0.254)
0.125 ± 0.010
(3.18 ± 0.254)
DERATING
Rated Power in %
120
100
80
60
40
20
0
- 65 - 50
- 25
0
25
50
75
70
100
125
150
170
Ambient Temperature in °C
PERFORMANCE
TEST
Thermal shock
Short time overload
Low temperature storage
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
5 x rated power for 5 s
- 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
) R
± (0.5 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (1.0 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (1.0 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (0.5 % + 0.0005
) R
PACKAGING
MODEL
WSL0603...18
WSL0805...18
WSL1206...18
WSL2010...18
WSL2512...18
Note
• Embossed Carrier Tape per EIA-481.
Revision: 05-Mar-14
TAPE WIDTH
8 mm/punched paper
8 mm/punched paper
8 mm/embossed plastic
12 mm/embossed plastic
12 mm/embossed plastic
REEL
DIAMETER
178 mm/7"
178 mm/7"
178 mm/7"
178 mm/7"
178 mm/7"
PIECES/REEL
5000
5000
4000
4000
2000
CODE
EA
EA
EA
EA
EA
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
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
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consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
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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
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
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000
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