WSK
Vishay Dale
Note
• Part marking: Value, tolerance; due to resistor size limitations some resistance values will be marked with only the resistance value.
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”:
www.vishay.com
392
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL
WSK2512
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature coefficient
Operating temperature range
Maximum working voltage
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSK25125L000FTA (preferred part numbering format)
Historical Part Numbering example: WSK2512 0.005 Ω 1 % R86 (will continue to be accepted)
GLOBAL MODEL
HISTORICAL MODEL
WSK2512
W
Low Value (down to 0.001 Ω), Surface Mount, 4-Terminal
WSK2512
S
K
* Use “L” for resistance
RESISTANCE VALUE
5L000 = 0.005 Ω
R0100 = 0.01 Ω
values < 0.01 Ω
2
R = Decimal
L = mΩ*
Power Metal Strip
ppm/°C
5
For technical questions, contact:
UNIT
SIZE
2512
RESISTANCE VALUE
°C
V
1
0.005 Ω
POWER RATING
2
TOLERANCE CODE
www.vishay.com/doc?99902
D = ± 0.5 %
F = ± 1.0 %
P
1.0
70 °C
W
5
L
ww2bresistors@vishay.com
FEATURES
• 4-Terminal design allows for 1 % tolerance
• Ideal for all types of precision current sensing,
• Proprietary processing technique produces
• All welded construction
• Solderable terminations
• Solid metal nickel-chrome or manganese-copper alloy
• Very low inductance 0.5 nH to 5 nH
• Excellent frequency response to 50 MHz
• Compliant to RoHS Directive 2002/95/EC
down to 0.001 Ω and 0.5 % tolerance down to
0.003 Ω
voltage division
including switching and linear power supplies,
instruments, power amplifiers
extremely low resistance values (down to
0.001 Ω)
resistive element with low TCR (< 20 ppm/°C)
®
0
0.001 to 0.025
TOLERANCE CODE
Tol. ± 0.5 %
RESISTOR CHARACTERISTICS
Resistors,
RESISTANCE VALUE RANGE
± 250 for 0.001 Ω to 0.0029 Ω,
± 75 for 0.003 Ω to 0.0049 Ω,
EA = Lead (Pb)-free, tape/reel
TA = Tin/lead, tape/reel (R86)
± 35 for 0.005 Ω to 0.025 Ω
EK = Lead (Pb)-free, bulk
0
BA = Tin/lead, bulk (B43)
1 %
PACKAGING CODE
- 65 to + 170
( x )
0
Ω
and
1/2
F
0.001 to 0.025
Tol. ± 1.0 %
pulse
T
PACKAGING CODE
A
Document Number: 30108
applications
From 1 to 99 as
Revision: 10-Dec-10
(Dash number)
(up to 2 digits)
R86
g/1000 pieces
applicable
SPECIAL
WEIGHT
(typical)
63.6