WSLF
www.vishay.com
Vishay Dale
Revision: 13-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
Power Metal Strip
®
Resistors,
Low Value (Down to 0.0003 ), Surface-Mount
DESIGN TOOLS (click logo to get started)
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
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
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
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
SIZE
POWER
RATING
P
70 °C
(1)
W
POWER
RATING
P
100 °C
(2)
W
TOLERANCE
%
RESISTANCE VALUE
RANGE
RESISTANCE VALUES
CURRENTLY AVAILABLE
(3)
WEIGHT
(typical)
g/1000 pieces
WSLF2512
2512 6.0 3.0 1.0, 5.0 0.3m to 0.5m 0.3m, 0.5m 142
2512 5.0 3.0 1.0, 5.0 1m to 2m 1m, 1.3m, 2m 142
2512 4.0 2.0 1.0, 5.0 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)
GLOBAL MODEL
(8 digits)
RESISTANCE VALUE
(5 digits)
TOLERANCE CODE
(1 digit)
PACKAGING CODE
(1)
(2 digits)
SPECIAL
(2 digits)
WSLF2512 L = m
L5000 = 0.0005
1L000 = 0.0010
F = ± 1.0 %
J = ± 5.0 %
EA = lead (Pb)-free, tape/reel
EK = lead (Pb)-free, bulk
Reserved for future
specials
W S L F 2 5 1 2 1 L 0 0 0 F E A