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WSLF Datasheet, PDF (1/4 Pages) Vishay Siliconix – Construction is unaffected by high sulfur environments
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WSLF
Vishay Dale
Power Metal Strip® Resistors,
Low Value (Down to 0.0003 ), Surface-Mount
DESIGN TOOLS (click logo to get started)
Models
Available
FEATURES
• Power Metal Strip® all-welded construction is
ideal for all types of current sensing, voltage
division, and pulse applications
• Proprietary processing technique produces
extremely low resistance values, down to
0.0003 
• Solid metal nickel-chrome, manganese-copper,
or manganese-copper-tin alloy resistive
element with low TCR (< 20 ppm/°C)
• Construction is unaffected by high sulfur environments
• Very low inductance (< 2 nH)
• Low thermal EMF (< 3 μV/°C)
• AEC-Q200 qualified (1)
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Notes
• Follow link to “Overview of Automotive Grade Products” for
more details: www.vishay.com\doc?49924
(1) Flame retardance test may not be applicable to some resistor
technologies
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL 
MODEL
SIZE
POWER
RATING
P70 °C (1)
W
POWER
RATING
P100 °C (2)
W
TOLERANCE
%
2512
6.0
3.0
1.0, 5.0
WSLF2512 2512
5.0
3.0
1.0, 5.0
2512
4.0
2.0
1.0, 5.0
Notes
• Part marking: no part marking on these parts
(1) See “Ambient Temperature Derating” on next page, Fig. 1
(2) See “Terminal Temperature Derating” on next page, Fig. 2
(3) Other values may be available, contact factory
RESISTANCE VALUE RESISTANCE VALUES
WEIGHT
RANGE
CURRENTLY AVAILABLE (3)
(typical)


g/1000 pieces
0.3m to 0.5m
0.3m, 0.5m
142
1m to 2m
1m, 1.3m, 2m
142
3m
3m
142
GLOBAL PART NUMBER INFORMATION
Global Part Numbering: WSLF25121L000FEA (WSLF2512, 0.001 , ± 1 %) 
(visit www.vishay.net Vishay Dale parts numbering manual for all options)
WS L F 2 5 1 2 1 L 0 0 0 F E A
GLOBAL MODEL
(8 digits)
WSLF2512
RESISTANCE VALUE
(5 digits)
L = m
L5000 = 0.0005 
1L000 = 0.0010 
TOLERANCE CODE
(1 digit)
F = ± 1.0 %
J = ± 5.0 %
PACKAGING CODE (1)
(2 digits)
EA = lead (Pb)-free, tape/reel
EK = lead (Pb)-free, bulk
SPECIAL
(2 digits)
Reserved for future
specials
Note
(1) Packaging code: EB (lead (Pb)-free) are non-standard packaging codes designating 1000 piece reels. These non-standard packaging codes
are identical to our standard EA (lead (Pb)-free), except that they have a package quantity of 1000 pieces
Revision: 07-Apr-17
1
Document Number: 30193
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