WSL
Vishay Dale
Power Metal Strip
®
Resistors,
Low Value (down to 0.001
Ω),
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
Ω)
• 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)
• Compliant to RoHS directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
SIZE
POWER RATING
P
70 °C
W
RESISTANCE VALUE RANGE
Ω
Tol. ± 0.5 %
Tol. ± 1.0 %
0.01 to 0.1
0.01 to 0.1
0.01 to 0.2
0.01 to 0.2
0.006 to 0.2
0.001 to 0.2
0.004 to 0.5
0.001 to 0.5
0.003 to 0.5
0.001 to 0.5
0.01 to 0.1
0.01 to 0.1
WEIGHT
(typical)
g/1000 pieces
WSL0603
0603
0.1
1.9
WSL0805
0805
0.125
4.8
WSL1206
1206
0.25
16.2
WSL2010
2010
0.5
38.9
(1)
WSL2512
2512
1.0
63.6
WSL2816
2816
2.0
118
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.
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature coefficient
Operating temperature range
Maximum working voltage
UNIT
ppm/°C
°C
V
RESISTOR CHARACTERISTICS
± 275 for 1 mΩ to 2.9 mΩ, ± 150 for 3 mΩ to 4.9 mΩ
± 110 for 5 mΩ to 6.9 mΩ, ± 75 for 7 mΩ to 0.5
Ω
- 65 to + 170
(P x
R)
1/2
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: WSL25124L000FTA (preferred part numbering format)
W
S
L
2
5
1
2
4
L
0
0
0
F
T
A
SPECIAL
(Dash number)
(up to 2 digits)
From
1 to 99
as
applicable
GLOBAL MODEL
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
WSL2816
RESISTANCE VALUE
L
= mΩ*
R
= Decimal
5L000
= 0.005
Ω
R0100
= 0.01
Ω
* Use “L” for resistance
values < 0.01
Ω
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)
BA
= Tin/lead, bulk (B43)
Historical Part Number Example: WSL2512 0.004
Ω
1 % R86 (will continue to be accepted)
WSL2512
HISTORICAL MODEL
0.004
Ω
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
368
For technical questions, contact:
ww2bresistors@vishay.com
Document Number: 30100
Revision: 26-Jul-10
WSL
Power Metal Strip
®
Resistors,
Low Value (down to 0.001
Ω),
Surface Mount
DIMENSIONS
in inches (millimeters)
H
l
W
T
L
a
b
Vishay Dale
MODEL
WSL0603
WSL0805
RESISTANCE
RANGE (Ω)
0.01 to 0.1
0.01 to 0.2
0.001 to 0.0019
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)
WSL1206
0.002 to 0.0059
0.006 to 0.20
0.001 to 0.0069
WSL2010
0.007 to 0.5
0.001 to 0.0049
WSL2512
0.005 to 0.0069
0.007 to 0.5
WSL2816
0.01 to 0.1
0.200 ± 0.010
(5.08 ± 0.254)
0.250 ± 0.010
(6.35 ± 0.254)
0.280 ± 0.010
(7.1 ± 0.254)
Rated Power in %
120
100
DIMENSIONS
W
H
T
0.030 ± 0.010 0.013 ± 0.005 0.015 ± 0.010
(0.76 ± 0.254) (0.330 ± 0.127) (0.381 ± 0.254)
0.050 ± 0.010 0.013 ± 0.005 0.015 ± 0.010
(1.27 ± 0.254) (0.330 ± 0.127) (0.381 ± 0.254)
0.041 ± 0.010
(1.04 ± 0.254)
0.063 ± 0.010 0.025 ± 0.010 0.025 ± 0.010
(1.60 ± 0.254) (0.635 ± 0.254) (0.635 ± 0.254)
0.020 ± 0.010
(0.508 ± 0.254)
0.058 ± 0.010
0.100 ± 0.010 0.025 ± 0.010 (1.47 ± 0.254)
(2.54 ± 0.254) (0.635 ± 0.254) 0.020 ± 0.010
(0.508 ± 0.254)
0.087 ± 0.010
(2.21 ± 0.254)
0.125 ± 0.010 0.025 ± 0.010 0.047 ± 0.010
(3.18 ± 0.254) (0.635 ± 0.254) (1.19 ± 0.254)
0.030 ± 0.010
(0.762 ± 0.254)
0.165 ± 0.010 0.025 ± 0.010 0.062 ± 0.010
(4.2 ± 0.254) (0.635 ± 0.254) (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)
0.062
(1.57)
0.093
(2.36)
0.055
(1.40)
0.120
(3.05)
0.083
(2.11)
0.065
(1.65)
0.096
(2.45)
0.070
(1.78)
0.120
(3.05)
0.120
(3.05)
0.145
(3.68)
0.185
(4.7)
0.030
(0.76)
0.055
(1.40)
0.130
(3.30)
0.050
(1.27)
0.125
(3.18)
0.160
(4.06)
0.125
(3.20)
DERATING
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 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
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
Ω) ΔR
± (0.5 % + 0.0005
Ω) ΔR
± (0.5 % + 0.0005
Ω) ΔR
± (1.0 % + 0.0005
Ω) ΔR
± (0.5 % + 0.0005
Ω) ΔR
± (0.5 % + 0.0005
Ω) ΔR
± (0.5 % + 0.0005
Ω) ΔR
± (1.0 % + 0.0005
Ω) ΔR
± (0.5 % + 0.0005
Ω) ΔR
± (0.5 % + 0.0005
Ω) ΔR
PACKAGING
MODEL
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
WSL2816
Note
• Embossed carrier tape per EIA-481-1A.
Document Number: 30100
Revision: 26-Jul-10
TAPE WIDTH
8 mm/punched paper
8 mm/punched paper
8 mm/embossed plastic
12 mm/embossed plastic
12 mm/embossed plastic
16 mm/embossed plastic
REEL
DIAMETER
178 mm/7"
178 mm/7"
178 mm/7"
178 mm/7"
178 mm/7"
330 mm/13"
PIECES/REEL
5000
5000
4000
4000
2000
5000
CODE
EA
EA
EA
EA
EA
EA
For technical questions, contact:
ww2bresistors@vishay.com
www.vishay.com
369
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
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 herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
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.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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