Product Sheet

V I S H AY I N T E R T E C H N O L O G Y, I N C .
POWER METAL STRIP® RESISTORS
WSLT2726, WSLT4026
Power Metal Strip® Resistors,
High-Temperature, 3 W, Surface-Mount, 4-Terminal
KEY BENEFITS
• Operating temperature range of -65 °C to +275 °C
• 4-terminal construction for accurate current measurement
• Very low resistance values (0.002 Ω, 0.003 Ω, 0.004 Ω, 0.005 Ω)
APPLICATIONS
WSLT2726
• Automotive: electronic
controls (engine controls, audio electronics,
climate controls,
electronic
power steering, anti-lock brakes, etc.)
WSLT2726
Vishay Dale
• Industrial:
Oil and Dale
natural gas drilling (down hole test/measurement equipment)
WSLT2726
Vishay
High Temperature (275 °C),
WSLT2726
Vishay Dale
urface
Mount, (275
4-Terminal
Temperature
°C),
RESOURCES
Vishay
Dale
Mount,
4-Terminal
erature
(275
°C),
Datasheet:WSLT2726
- www.vishay.com/doc?30185
FEATURES•
WSLT2726
- www.vishay.com/doc?30186
• 4-Terminal
design
allows forWSLT4026
1 % tolerance
nt,
4-Terminal
re
(275 °C),
RES
down to 0.002 
Vishay
Dale
•to For
technical
nal
design
allows
forprint
1 %size
tolerance
• High
power
foot
ratioquestions contact [email protected]
Terminal
o 0.002 
•
Ideal
for
all
types
of
current
sensing, voltageFor definitions please see www.vishay.com/doc?99912
•%Material
categorization:
nwer
allows
1
tolerance
to
footfor
print
ratio applications including
75
°C),
division
andsizepulse
r allswitching
types of current
and sensing,
linear voltage
power
supplies,
for
1 size
%pulse
tolerance
tnal
print
ratio applications including
and
instruments,
power amplifiers and shunts
Available
Available
Available
Available
current
sensing, power
voltage supplies,
ngof
and
linear
• Proprietary
processing technique
produces
eulse
ratio
applications
including
ents,
power
amplifiers
and shuntsvalues, down to
extremely
low resistance
linear
power
supplies,
nt
sensing,
voltage
ary
processing
tolerance
0.0005
 Available technique produces
rlyamplifiers
and shunts
lications
including
lowwelded
resistance
values, down to
•
All
construction
supplies,
essing
produces
power technique
•and
Solid
metal
nickel-chrome
rs
shunts
esistance
values,
down to resistive element with low TCR
ed
construction
g,
voltage
(< 20 ppm/°C)
chnique
produces
etal
nickel-chrome
resistive
with low TCR
including
• Very
low
inductance
0.5element
nH to 5 nH
values,
down
to
ction
pm/°C)
supplies,
•
Low
thermal
EMF
(<
3
μV/°C)
chrome
resistive
element
with low TCR
One of the World’s Largest Manufacturers of
wunts
inductance
0.5 nH
to 5 nH
• AEC-Q200 qualified available (1)
Discrete Semiconductors and Passive Components
produces
rmal
EMF (< 3 μV/°C)
•0.5
Material
categorization:
esistive
element
with low
TCRFor definitions of compliance
ce
nH
nH
(1)
down
toto 5available
200
qualified
(< 3please
μV/°C)see www.vishay.com/doc?99912
categorization:
For SHEET
definitions of compliance
1/2
VMN-PT0396-1405
to
5 nH PRODUCT
(1)
dNote
available
see
www.vishay.com/doc?99912
(1) Flame retardance test may not be applicable to some resistor
C)
zation:
For low
definitions
of compliance
ement with
TCR
(1) technologies.
eshay.com/doc?99912
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC
etardance test may not be applicable to some resistor
or
definitions
of compliance
DISCLAIMERS,
SET FORTH AT www.vishay.com/doc?91000
ogies.
/doc?99912
est
may not be applicable to some resistor
V I S H AY I N T E R T E C H N O L O G Y, I N C .
WSLT2726
TECHNOLOGY
www.vishay.com
Vishay Dale
WSLT2726,
WSLT4026
Power Metal Strip® Resistors, High Temperature
(275 °C),
® Resistors,
Power
Metal
Strip
® Resistors,
Power
Metal
High
Temperature (275 °C),
High
Power,
LowStrip
Value,
Surface Mount,
4-Terminal
High-Temperature,
3 W,Surface
Surface-Mount,
4-Terminal
High Power, Low Value,
Mount, 4-Terminal
FEATURES
WSLT4026
• 4-terminal design
allo ws for 1 % tolerance Available
FEATURES
down to 0.002 Ω
www.vishay.com
• 4-terminalsizedesign
• High power-to-footprint
ratio allows for 1 % tolerance
down to 0.002 Ω
• Ideal for all types of current sensing, voltage
power-to-footprint
size ratio
®
division and• High
pulse
applications, including
Ideal linear
for all types
switching •and
power of current
supplies,sensing, voltage
WSLT2726
instruments, power
amplifiers
shunts
division
and and
pulse
applications, including
switching technique
and
linear
power
supplies,
• Proprietary processing
produces
extremely lowinstruments,
resistance power
values,amplifiers
down toand shunts
FEATURES
0.0005 Ω
• Proprietary
technique
produces
• 4-terminalprocessing
design allows
for 1 %
tolerance Available
• All welded construction
extremely
values, down to
down to low
0.002resistance

0.0005
Ω
• Solid metal nickel-chrome resistive element with low TCR
• High power-to-footprint size ratio
(< 20 ppm/°C)
• All welded construction
• Ideal
all5types
voltage
• Very low inductance
0.5 for
nHnickel-chrome
to
nH of current sensing,
• Solid
metal
element
with low TCR
division
and pulse resistive
applications,
including
• Low thermal EMF
(< ppm/°C)
3 µV/°C)
(< 20
switching (1) and
linear
power
supplies,
• AEC-Q200 qualified
available
• Very
low
inductance
0.5amplifiers
nH to 5 nH
instruments,
power
and shunts
• Material categorization:
ForEMF
definitions
of technique
compliance produces
• Low
thermal
(< 3 µV/°C)
• Proprietary
processing
please see www.vishay.com/doc?99912
extremely
low resistance
• AEC-Q200
qualified
available (1) values, down to
WSLT4026 Note
0.0005categorization:

• Material
For definitions of compliance
(1) Flame retardance test may not be applicable to some resistor
• All welded
construction
please
see www.vishay.com/doc?99912
technologies.
• Solid metal nickel-chrome resistive element with low TCR
Note
(< 20
ppm/°C) test may not be applicable to some resistor
(1) Flame
retardance
STANDARD ELECTRICAL SPECIFICATIONS
• Very low inductance 0.5 nH to 5 nH
technologies.
RESISTANCE VALUES
WEIGHT
RESISTANCE
GLOBAL WSLT2726 POWER RATING
TOLERANCE
(2) 3 μV/°C)
• Low thermal
EMF (<
AVAILABLE
SIZE
P70 °C
(typical)
VALUE RANGE CURRENTLY
MODEL
±%
(1)
STANDARD ELECTRICAL
SPECIFICATIONS
m
W
m
g/1000
• AEC-Q200 qualified available pieces
RESISTANCE
RESISTANCE
VALUES
POWER
RATING
• Material
categorization:
For
of compliance
WSLT2726 GLOBAL
2726
3.0
1.0
0.3 to 5
2, 3, 4,
5
420definitions WEIGHT
TOLERANCE
VALUE RANGE
CURRENTLY
AVAILABLE (2)
(typical)
SIZE
P70 °C
please
see
www.vishay.com/doc?99912
±%
MODEL
Vishay Dale
Power Metal Strip Resistors, High Temperature (275 °C),
High Power, Low Value, Surface Mount, 4-Terminal
Notes
W
mΩ
Ω
g/1000 pieces
Note and the substrate material.
• Power rating depends on the max. temperature at the solder point, component placement density
(1) toFlame
WSLT2726
2726
3.0
1.0
0.3
5
2m,
3m,
4m,
5m
retardance
test
may
not
be
applicable
to420
some resistor
• Part marking: Model, value, tolerance, date code.
technologies.
(2) Other values may be available, contact factory.
WSLT4026
4026
3.0
1.0
0.3 to 5
2m, 3m, 4m, 5m
420
STANDARD
ELECTRICAL SPECIFICATIONS
TECHNICAL
SPECIFICATIONS
Notes
RESISTANCE VALUES
WEIGHT
POWER RATING
RESISTANCE
PARAMETER
RESISTOR
CHARACTERISTICS
GLOBAL
TOLERANCE
• Power
rating depends onUNIT
the max. temperature at the solder
point,
component
placement density and the substrate material.
(typical)
SIZE
P70 °C
VALUE RANGE CURRENTLY AVAILABLE (2)
±%
• PartMODEL
marking: Model, value, tolerance, dateWcode.

g/1000 pieces
Temperature coefficient
ppm/°C
± 75 over temperature of 
+20 °C to +60 °C
(2)
Other values may be available, contact factory.
4026
3.0
°C
WSLT4026
Operating temperature
range
1.0
0.3m
to 5m
-65 to
+275
2m, 3m, 4m, 5m
420
Notes current SPECIFICATIONS
TECHNICAL
Maximum continuous
V
(P x R)1/2
• Power rating depends on the max. temperature at the solder point, component placement density and the substrate material.
PARAMETER
UNIT
RESISTOR CHARACTERISTICS
• Part marking: Model, value, tolerance, date code.
GLOBAL Temperature
PART
NUMBER
INFORMATION
(2) Other
coefficient
ppm/°Cfactory.
± 75 over temperature of +20 °C to +60 °C
values
may be available, contact
Global Part Numbering: WSLT2726L5000FEA (WSLT2726, 0.0005 Ω, ± 1 %)
W
S
Operating temperature range
°C
Maximum continuous current
PARAMETER
V
TECHNICAL
L
T
2 SPECIFICATIONS
7
2
6
L
5
0
0
UNIT
0
F
-65 to +275
E
A
(P x R)1/2
RESISTOR CHARACTERISTICS
Revision 29-Apr-14
TemperatureRESISTANCE
coefficient
ppm/°C CODE
± 75 over
temperature of +20
°C to +60 °C
GLOBAL MODEL
TOLERANCE
PACKAGING
CODE
SPECIAL
GLOBAL
PART
NUMBER INFORMATION
VALUE
Operating
temperature
range
WSLT2726
L = mΩWSLT27265L000FEA
F °C
= ± (WSLT2726,
1.0 %
EA Ω,
= Lead
(Pb)-free, tape/reel-65 to +275
(Dash number)
Global
Part Numbering:
0.005
± 1 %)
2L000 = 0.002 Ω
EK = Lead (Pb)-free, bulk
(up to 2 digits)
1/2
(P0x R) From
3L000
Ω 2
W Maximum
S continuous
L = 0.003
Tcurrent
7 V 2
6
5
L
0
0
F 1 to 99
E as A
4L000 = 0.004 Ω
applicable
5L000 = 0.005 Ω
GLOBAL PART NUMBER INFORMATION
RESISTANCE
GLOBAL MODEL
TOLERANCE CODE
PACKAGING CODE
SPECIAL
VALUE
Global Part Numbering: WSLT40265L000FEA
(WSLT4026, 0.005 , ± 1 %)
Revision: 29-Nov-13WSLT2726
Document
Number:
30185
mΩ
F =6± 1.0 %
W
S
L
T L=4
0
21
5
L EA0= Lead 0(Pb)-free,
0 tape/reel
F
E (Dash
A number)
2L000 = questions,
0.002 Ω contact: [email protected] EK = Lead (Pb)-free, bulk
(up to 2 digits)
For technical
WSLT4026
3L000 WITHOUT
= 0.003 Ω NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
From 1 to 99 as
THIS DOCUMENT IS SUBJECT TO CHANGE
4L000 = 0.004
Ω
ARE SUBJECT TO SPECIFIC
DISCLAIMERS,
SET FORTH AT www.vishay.com/doc?91000
applicable
RESISTANCE
GLOBAL MODEL
TOLERANCE CODE
PACKAGING CODE
SPECIAL
5L000 = 0.005
VALUEΩ
WSLT4026
PRODUCT SHEET
L = m
2L000 = 0.002 
3L000 = 0.003 
4L000 = 0.004 
5L000 = 0.005 
F = ± 1.0 %
2/2
EA = Lead (Pb)-free, tape/reel
EK = Lead (Pb)-free, bulk
(Dash number)
(up to 2 digits)
From 1 to 99 as
VMN-PT0396-1405
applicable
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: 29-Apr-14
Document Number: 30186
1