VISHAY WSLP4026

WSLP4026
Vishay Dale
Power Metal Strip® Resistors, Very High Power (to 7 W),
Low Value (Down to 0.0005 ), Surface Mount
FEATURES
• High power to foot print size ratio
• Ideal for all types of current sensing, voltage
division and pulse applications including
switching and linear power supplies,
instruments, power amplifiers, and shunts
• Proprietary processing technique produces
extremely low resistance values, down to
0.0005 
• Specially selected and stabilized materials
allow for high power rating (to 7 W)
• All welded construction
• Solid metal nickel-chrom or manganese-copper alloy
resistive element with low TCR (< 20 ppm/°C)
• Very low inductance 0.5 nH to 5 nH
• Low thermal EMF (< 3 μV/°C)
• AEC-Q200 qualified available (1)
• Compliant to RoHS Directive 2002/95/EC
Note
(1) Flame retardance test may not be applicable to some resistor
technologies.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
SIZE
POWER RATING
P70 °C
W
TOLERANCE
±%
RESISTANCE VALUE
RANGE

RESISTANCE VALUES
CURRENTLY AVAILABLE (2)

WEIGHT
(typical)
g/1000 pieces
WSLP4026
4026
5.0
1.0, 5.0
2m
2m
420
WSLP4026
4026
7.0
1.0, 5.0
0.5m to 1m
0.5m, 1m
420
Notes
• Power rating depends on the max. temperature at the solder point, component placement density and the substrate material.
• Part marking: Model, value, tolerance, date code.
(2) Other values may be available, contact factory.
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature coefficient
UNIT
RESISTOR CHARACTERISTICS
ppm/°C
± 75 over temperature of + 20 °C to + 60 °C
Operating temperature range
°C
- 65 to + 170
Maximum working voltage
V
(P x R)1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering: WSLP4026L5000FEA (WSLP4026, 0.0005 , ± 1 %)
W
S
L
P
4
0
2
6
L
5
0
0
0
F
E
A
GLOBAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING CODE
SPECIAL
WSLP4026
L = m
L5000 = 0.0005 
2L000 = 0.0020 
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
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
www.vishay.com
1
For technical questions, contact: [email protected]
Document Number: 30180
Revision: 26-Jan-11
WSLP4026
Power Metal Strip® Resistors, Very High Power (to 7 W),
Low Value (Down to 0.0005 ), Surface Mount
Vishay Dale
DIMENSIONS
DIMENSIONS in inches (millimeters)
MODEL
WSLP4026
L
W
H
R
S
T
U
0.400 ± 0.008
(10.1 ± 0.2)
0.260 + 0.012/- 0.008
(6.6 + 0.3/- 0.2)
0.117 ± 0.008
(3.0 ± 0.2)
0.193 ± 0.004
(4.9 ± 0.1)
0.028 ± 0.004
(0.7 ± 0.1)
0.016 ± 0.002
(0.4 ± 0.05)
0.078 ± 0.004
(2.0 ± 0.1)
SOLDER PAD DIMENSIONS in inches (millimeters)
MODEL
W
a
b
c
d
w
0.220
(5.6)
0.096
(2.44)
0.035
(0.89)
0.035
(0.89)
0.420
(10.6)
L
WSLP4026
U
S
0.004
Terminal Area
R
H
c
Rated Power in %
DERATING
T
120
100
80
60
40
20
d
b
w
0
- 65 - 50 - 25
a
0
25
50
75
70
b
100 125 150 170
Ambient Temperature in °C
RESISTANCE VALUE
(m)
ELEMENT MATERIAL
WSLP4026
0.5
Mn-Cu
WSLP4026
1.0
Mn-Cu
WSLP4026
2.0
Ni-Cr
MODEL
PERFORMANCE
TEST
Thermal shock
CONDITIONS OF TEST
TEST LIMITS
- 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme
± (0.5 % + 0.0005 ) R
± (0.5 % + 0.0005 ) R
Short time overload
5 x rated power for 5 s
Low temperature operation
- 65 °C for 45 min
± (0.5 % + 0.0005 ) R
High temperature exposure
1000 h at + 170 °C
± (1.0 % + 0.0005 ) R
± (0.5 % + 0.0005 ) R
Bias humidity
+ 85 °C, 85 % RH, 10 % bias, 1000 h
Mechanical shock
100 g’s for 6 ms, 5 pulses
± (0.5 % + 0.0005 ) R
Vibration
Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h
± (0.5 % + 0.0005 ) R
Load life
1000 h at + 70 °C, 1.5 h “ON”, 0.5 h “OFF”
± (1.0 % + 0.0005 ) R
Resistance to solder heat
+ 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence
± (0.5 % + 0.0005 ) R
Moisture resistance
MIL-STD-202, method 106, 0 % power, 7b not required
± (0.5 % + 0.0005 ) R
PACKAGING
MODEL
WSLP4026
REEL
TAPE WIDTH
DIAMETER
PIECES/REEL
CODE
16 mm/embossed plastic
330 mm/13"
1500
EA
Note
• Embossed carrier tape per EIA-481.
Document Number: 30180
Revision: 26-Jan-11
For technical questions, contact: [email protected]
www.vishay.com
2
Legal Disclaimer Notice
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 11-Mar-11
www.vishay.com
1