WSL...18 High Power
Vishay Dale
Power Metal Strip
®
Resistors, High Power (2 x Standard WSL),
Low Value (Down to 0.001
),
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
extremely low resistance values (down to
0.001
)
• Specially selected and stabilized materials
allow for high power ratings (2 x standard WSL
rating)
• All welded construction
• Solderable terminations
• Very low inductance 0.5 nH to 5 nH
• Solid metal nickel-chrome or manganese-copper alloy
resistive element with low TCR (< 20 ppm/°C)
• Excellent frequency response to 50 MHz
• Low thermal EMF (< 3 μV/°C)
• AEC-Q200 qualified available
• Compliant to RoHS Directive 2002/95/EC
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
0.001 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
Operating temperature range
Maximum working voltage
UNIT
ppm/°C
°C
V
RESISTOR CHARACTERISTICS
± 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
- 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
0.004
RESISTANCE VALUE
1%
TOLERANCE CODE
R86
PACKAGING CODE
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”:
www.vishay.com/doc?99902
www.vishay.com
408
For technical questions, contact:
ww2bresistors@vishay.com
Document Number: 31057
Revision: 06-Apr-11
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
Power Metal Strip
®
Resistors, High Power (2 x Standard WSL),
Low Value (Down to 0.001
),
Surface Mount
DIMENSIONS
in inches (millimeters)
H
l
W
T
L
a
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)
0.087 ± 0.010
(2.21 ± 0.254)
0.025 ± 0.010 0.047 ± 0.010
(0.635 ± 0.254) (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)
0.070
(1.78)
0.120
(3.05)
0.120
(3.05)
0.145
(3.68)
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
0.001 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
TAPE WIDTH
WSL0603...18
8 mm/punched paper
WSL0805...18
8 mm/punched paper
WSL1206...18
8 mm/embossed plastic
WSL2010...18
12 mm/embossed plastic
WSL2512...18
12 mm/embossed plastic
Note
• Embossed Carrier Tape per EIA-481.
Document Number: 31057
Revision: 06-Apr-11
MODEL
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
For technical questions, contact:
ww2bresistors@vishay.com
www.vishay.com
409
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
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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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 and agree
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Document Number: 91000
Revision: 11-Mar-11
www.vishay.com
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