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
• Solid metal Nickel-Chrome or Manganese-Copper alloy
resistive element with low TCR (< 20 ppm/°C)
• Very low inductance 0.5 nH to 5 nH
• Excellent frequency response to 50 MHz
• Low thermal EMF (< 3 µV/°C)
• Compliant to RoHS directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE RANGE
WEIGHT
POWER RATING
GLOBAL
MODEL
Ω
P70 °C
W
(typical)
g/1000 pieces
0.5 %
1.0 %
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
WSL2816
0.1
0.125
0.25
0.5
1.0 (1)
2.0
0.01 to 0.1
0.01 to 0.2
0.006 to 0.2
0.004 to 0.5
0.003 to 0.5
0.01 to 0.1
0.01 to 0.1
0.01 to 0.2
0.001 to 0.2
0.001 to 0.5
0.001 to 0.5
0.01 to 0.1
1.9
4.8
16.2
38.9
63.6
118
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
UNIT
WSL RESISTOR CHARACTERISTICS
2ꢀ5 for 1 mΩ to 2.9 mΩ, 150 for 3 mΩ to 4.9 mΩ
110 for 5 mΩ to 6.9 mΩ, ꢀ5 for ꢀ mΩ to 0.5 Ω
Temperature Coefficient
ppm/°C
Operating Temperature Range
Maximum Working Voltage
°C
V
- 65 to + 1ꢀ0
(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
GLOBAL MODEL
VALUE
TOLERANCE CODE
PACKAGING
SPECIAL
WSL0603
WSL0805
WSL1206
WSL2010
WSL2512
WSL2816
L = mΩ*
D = 0.5 %
F = 1.0 %
J = 5.0 %
EA = Lead (Pb)-free, tape/reel
EK = Lead (Pb)-free, bulk
(Dash Number)
(up to 2 digits)
From 1 to 99 as
applicable
R = Decimal
5L000 = 0.005 Ω
R0100 = 0.01 Ω
* use “L” for resistance
values < 0.01 Ω
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
0.004 Ω
1 %
R86
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING
* 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
6
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30100
Revision: 12-Aug-09