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
Pb-free
Available
switching
and
linear
power
supplies,
instruments, power amplifiers
e3
•
Proprietary processing technique produces
extremely low resistance values (down to
RoHS*
0.001
Ω)
COMPLIANT
•
All welded construction
•
Solid metal Nickel-Chrome or Manganese-Copper alloy
resistive element with low TCR (< 20 ppm/°C)
•
Solderable terminations
•
Very low inductance 0.5 nH to 5 nH
•
Excellent frequency response to 50 MHz
•
Low thermal EMF (< 3 µV/°C)
•
Lead (Pb)-free version is RoHS compliant
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
POWER RATING
P
70 °C
W
0.1
0.125
0.25
0.5
1.0
(1)
2.0
RESISTANCE RANGE
Ω
± 0.5 %
± 1.0 %
0.015 - 0.1
0.015 - 0.1
0.01 - 0.2
0.01 - 0.2
0.006 - 0.2
0.001 - 0.2
0.004 - 0.5
0.001 - 0.5
0.003 - 0.5
0.001 - 0.5
0.01 - 0.1
0.01 - 0.1
WEIGHT
(typical)
g/1000 pieces
1.9
4.8
16.2
38.9
63.6
118
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
WSL2816
Notes
(1)
For values above 0.1
Ω
derate linearly to 80 % rated power at 0.5
Ω
• 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
WSL 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
GLOBAL MODEL
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
WSL2816
S
L
2
5
1
2
4
L
0
0
0
F
T
A
1
8
SPECIAL
(Dash
Number)
(up to 2 digits)
From 1 to 99 as
applicable
VALUE
TOLERANCE CODE
PACKAGING
L
= mΩ*
D
= ± 0.5
%
EA
= Lead (Pb)-free, tape/reel
EK
= Lead (Pb)-free,
bulk
R
= Decimal
F
= ± 1.0
%
5L000
= 0.005
Ω
TA
= Tin/lead, tape/reel (R86)
J
= ± 5.0
%
R0100
= 0.01
Ω
TG
= Tin/lead, tape/reel (RT1)
*
use
“L” for resistance
BA
= Tin/lead,
bulk
(B43)
values
< 0.01
Ω
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
* Pb containing terminations are not RoHS compliant, exemptions may apply
www.vishay.com
6
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30100
Revision: 10-Nov-08
WSL
Power Metal Strip
®
Resistors,
Low Value (down to 0.001
Ω),
Surface Mount
DIMENSIONS
MODEL
WSL0603
WSL0805
W
Vishay Dale
DIMENSIONS
in inches [millimeters]
RESISTANCE
RANGE
Ω
0.015 - 0.1
L
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]
0.100 ± 0.010
[2.54 ± 0.254]
0.100 ± 0.010
[2.54 ± 0.254]
0.125 ± 0.010
[3.18 ± 0.254]
0.125 ± 0.010
[3.18 ± 0.254]
0.125 ± 0.010
[3.18 ± 0.254]
0.165 ± 0.010
[4.2 ± 0.254]
H
0.013 ± 0.005
[0.330 ± 0.127]
0.013 ± 0.005
[0.330 ± 0.127]
0.025 ± 0.010
[0.635 ± 0.254]
0.025 ± 0.010
[0.635 ± 0.254]
0.025 ± 0.010
[0.635 ± 0.254]
0.025 ± 0.010
[0.635 ± 0.254]
0.025 ± 0.010
[0.635 ± 0.254]
0.025 ± 0.010
[0.635 ± 0.254]
0.025 ± 0.010
[0.635 ± 0.254]
T
0.015 ± 0.010
[0.381 ± 0.254]
0.015 ± 0.010
[0.381 ± 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]
0.087 ± 0.010
[2.21 ± 0.254]
0.047 ± 0.010
[1.19 ± 0.254]
0.030 ± 0.010
[0.762 ± 0.254]
0.062 ± 0.010
[1.57 ± 0.254]
H
WSL1206
T
L
WSL2010
I
b
a
WSL2512
WSL2816
Rated Power in
%
120
100
0.060 ± 0.010
[1.52 ± 0.254]
0.080 ± 0.010
0.01 - 0.2
[2.03 ± 0.254]
0.126 ± 0.010
0.002 - 0.2
[3.20 ± 0.254]
0.200 ± 0.010
0.001 - 0.0069
[5.08 ± 0.254]
0.200 ± 0.010
0.007 - 0.5
[5.08 ± 0.254]
0.250 ± 0.010
0.001 - 0.0049
[6.35 ± 0.254]
0.250 ± 0.010
0.005 - 0.0069
[6.35 ± 0.254]
0.250 ± 0.010
0.007 - 0.5
[6.35 ± 0.254]
0.280 ± 0.010
0.01 - 0.1
[7.1 ± 0.254]
MODEL
80
60
WSL0603
WSL0805
WSL1206
WSL2010
40
20
0
- 65 - 50
- 25
0
25
50
75
70
100
125
150
170
WSL2512
WSL2816
Derating
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
Ambient Temperature in °C
SOLDER PAD DIMENSIONS
in inches [millimeters]
RESISTANCE
a
b
l
RANGE
Ω
0.015 - 0.1
0.040 [1.01]
0.040 [1.01]
0.020 [0.50]
0.01 - 0.2
0.040 [1.02]
0.050 [1.27]
0.020 [0.50]
0.002 - 0.2
0.050 [1.27]
0.070[1.78]
0.055 [1.40]
0.001 - 0.0069
0.093 [2.36]
0.120 [3.05]
0.055 [1.40]
0.007 - 0.5
0.055 [1.40]
0.120 [3.05]
0.130 [3.30]
0.001 - 0.0049
0.120 [3.05]
0.145 [3.68]
0.050 [1.27]
0.005 - 0.0069
0.083 [2.11]
0.145 [3.68]
0.125 [3.18]
0.007 - 0.5
0.065 [1.65]
0.145 [3.68]
0.160 [4.06]
0.01 - 0.1
0.130 [3.3]
0.190 [4.8]
0.040 [1.00]
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 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 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
REEL
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
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
Note
• Embossed carrier tape per EIA-481-1A
Document Number: 30100
Revision: 10-Nov-08
For technical questions, contact: ww2bresistors@vishay.com
www.vishay.com
7
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
www.vishay.com
1
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