WSL
www.vishay.com
Vishay Dale
Power Metal Strip® Resistors, Low Value
(Down to 0.0005 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 0.0005 Ω)
• All welded construction
• Solderable terminations
• Very low inductance 0.5 nH to 5 nH
• Excellent frequency response to 50 MHz
• Low thermal EMF (< 3 μV/°C)
• Solid metal nickel-chrome or manganese-copper
alloy resistive element with low TCR (< 20 ppm/°C)
• AEC-Q200 qualified available (1)
• Material categorization: For definitions of compliance please
see www.vishay.com/doc?99912
Note
(1) Flame retardance test may not be applicable to some resistor
technologies
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE VALUE RANGE Ω
POWER RATING P70 °C
GLOBAL
WEIGHT (typical)
SIZE
MODEL
W
g/1000 pieces
Tol. ± 0.5 %
Tol. ± 1.0 %
WSL0603
0603
0.1
0.01 to 0.1
0.01 to 0.1
1.9
WSL0805
0805
0.125
0.005 to 0.2
0.005 to 0.2
4.8
WSL1206
1206
0.25
0.005 to 0.2
0.001 to 0.2
16.2
WSL2010
2010
0.5
0.004 to 0.5
0.001 to 0.5
38.9
0.003 to 0.5
0.0005 to 0.5
63.6
WSL2512
2512
1.0 (2)
WSL2816
2816
2.0
0.003 to 0.1
0.002 to 0.1
118
Notes
• Part marking: Value; tolerance: Due to resistor size limitations some resistors will be marked with only the resistance value.
(2) For values above 0.1 Ω derate linearly to 80 % rated power at 0.5 Ω.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature coefficient
ppm/°C
Operating temperature range
Maximum working voltage
°C
V
WSL RESISTOR CHARACTERISTICS
± 75 for 7 mΩ to 0.5 Ω, ± 110 for 5 mΩ to 6.9 mΩ, ± 150 for 3 mΩ to 4.9 mΩ,
± 275 for 1 mΩ to 2.9 mΩ, ± 400 for 0.5 mΩ to 0.99 mΩ
- 65 to + 170
(P x R)1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSL25124L000FTA
W
S
L
2
5
1
GLOBAL MODEL RESISTANCE VALUE
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
WSL2816
2
4
L
0
0
0
F
T
A
TOLERANCE CODE
PACKAGING CODE
SPECIAL
D = ± 0.5 %
F = ± 1.0 %
J = ± 5.0 %
L = mΩ*
R = Decimal
5L000 = 0.005 Ω
R0100 = 0.01 Ω
EA = Lead (Pb)-free, tape/reel
EH = Lead (Pb)-free, tape/reel (WSL2816)
EK = Lead (Pb)-free, bulk
(Dash number)
(up to 2 digits)
From 1 to 99 as
applicable
TA = Tin/lead, tape/reel (R86)
TG = Tin/lead, tape/reel (RT1, for WSL0603 and WSL0805)
TH = Tin/lead, tape/reel (RJ9, WSL2816)
BA = Tin/lead, bulk (B43)
* Use “L” for resistance
values < 0.01 Ω
Historical Part Numbering example: WSL2512 0.004 Ω 1 % R86
WSL2512
0.004 Ω
1%
R86
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING
Document Number: 30100
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
Revision: 06-Jun-12
