WSR High Power
www.vishay.com
Vishay Dale
Revision: 21-Oct-16
1
Document Number: 31059
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 0.001 ), Surface Mount
DESIGN TOOLS (click logo to get started)
FEATURES
• Molded high temperature encapsulation
• Improved thermal management incorporated
into design
• All welded construction of the Power Metal
Strip
®
resistors are ideal for all types of current
sensing, voltage division and pulse applications
• Proprietary processing technique produces
extremely low resistance values (down to
0.001 )
• Solid metal nickel-chrome 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)
• Integral heat sink not utilized for resistance values less
than 0.0075
• AEC-Q200 qualified
(1)
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
Notes
* This datasheet provides information about parts that are RoHS-compliant and/or parts that are non-RoHS-compliant. For example, parts with
lead (Pb) terminations are not RoHS-compliant. Please see the information/tables in this datasheet for details.
•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: DALE, model, value, tolerance, date code.
(1)
The WSR5 is rated at 5 W with terminal temperature maintained 120 °C.
Note
(1)
Packaging code: EB (lead (Pb)-free) and TB (tin / lead) are non-standard packaging codes designating 1000 piece reels. These non-standard
packaging codes are identical to our standard EA (lead (Pb)-free) and TA (tin / lead), except that they have a package quantity of 1000 pieces.
Available
Available
Available
Available
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
SIZE
POWER RATING
P
70 °C
W
RESISTANCE VALUE RANGE
WEIGHT
(typical)
g/1000 pieces
Tol. ± 0.5 % Tol. ± 1.0 %
WSR5 4527 5.0
(1)
0.01 to 0.3 0.001 to 0.3 476
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSR5R0100FEA (preferred part numbering format)
(visit www.vishay.net Vishay Dale parts numbering manual for all options)
GLOBAL MODEL VALUE TOLERANCE CODE PACKAGING
(1)
SPECIAL
WSR5 L = m*
R = decimal
5L000 = 0.005
R0100 = 0.01
* use “L” for resistance
values < 0.01
D = ± 0.5 %
F = ± 1.0 %
J = ± 5.0 %
EA = lead (Pb)-free, tape / reel
EK = lead (Pb)-free, bulk
TA = tin / lead, tape / reel (R86)
BA = tin / lead, bulk (B43)
(dash number)
(up to 2 digits)
from 1 to 99 as
applicable
R5R0 00F1WS AE
