WSL...18 High Power
Vishay Dale
Power Metal Strip® Resistors, High Power (2 x Standard WSL),
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
0.001 Ω)
RoHS*
COMPLIANT
• Specially selected and stabilized materials
allow for high power ratings (2 x standard WSL rating)
• 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
POWER RATING
RESISTANCE RANGE
WEIGHT
(typical)
g/1000 pieces
GLOBAL
MODEL
P70 °C
W
Ω
0.ꢀ ꢁ
0.015 - 0.1
0.01 - 0.2
1.0 ꢁ
0.015 - 0.1
0.01 - 0.2
WSL0603...18
WSL0805...18
WSL1206...18
WSL2010...18
WSL2512...18
0.20
0.25
0.5
1.0
2.0
1.9
4.8
16.2
38.9
63.6
0.006 - 0.2
0.004 - 0.5
0.003 - 0.02
0.001 - 0.2
0.001 - 0.5
0.001 - 0.02
Note
• Part Marking: Value, Tolerance: due to resistor size limitations some resistors will be marked with only the resistance value
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
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
Temperature Coefficient
ppm/°C
Operating Temperature Range
Maximum Working Voltage
°C
V
- 65 to + 170
(P x R)1/2
GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBERING: WSL2ꢀ124L000FTA18 (PREFERRED PART NUMBERING FORMAT)
W
S
L
2
ꢀ
1
2
4
L
0
0
0
F
T
A
1
8
GLOBAL MODEL
VALUE
L = mΩ*
R = Decimal
TOLERANCE CODE
D = 0.5 %
PACKAGING
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)
SPECIAL
18 = “High Power”
option
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
F = 1.0 %
J = 5.0 %
ꢀL000 = 0.005 Ω
R0100 = 0.01 Ω
* use “L” for resistance
values < 0.01 Ω
HISTORICAL PART NUMBER EXAMPLE: WSL2ꢀ12-18 0.004 Ω 1 % R86 (WILL CONTINUE TO BE ACCEPTED)
WSL2ꢀ12-18
0.004 Ω
1 %
R86
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE
PACKAGING
CODE
* Pb containing terminations are not RoHS compliant, exemptions may apply
www.vishay.com
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For technical questions, contact: ww2bresistors@vishay.com
Document Number: 31057
Revision: 10-Nov-08