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WSR25L0000100FEA

Description
Power Metal Strip® Resistors, Low Value (down to 0.001 Ω), Surface Mount
File Size236KB,3 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
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WSR25L0000100FEA Overview

Power Metal Strip® Resistors, Low Value (down to 0.001 Ω), Surface Mount

WSR
Vishay Dale
Power Metal Strip
®
Resistors,
Low Value (down to 0.001
Ω),
Surface Mount
FEATURES
Molded high temperature encapsulation
Pb-free
Ideal for all types of current sensing, voltage
Available
division and pulse applications including
switching and linear power supplies,
e2
instruments, power amplifiers
Proprietary processing technique produces
extremely low resistance values (down to
RoHS*
COMPLIANT
0.001
Ω)
All welded construction
Solid metal Nickel-Chrome or Manganese-Copper alloy
resistive element with low TCR (< 20 ppm/°C)
Solderable terminations
Very low inductance 0.5 nH to 5 nH
Excellent frequency response to 50 MHz
Low thermal EMF (< 3 µV/°C)
Lead (Pb)-free version is RoHS compliant
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
SIZE
POWER RATING
P
70 °C
W
2.0
3.0
(1)
RESISTANCE RANGE
Ω
± 0.5 %
± 1.0 %
0.01 - 1.0
0.001 - 1.0
0.01 - 0.2
0.001 - 0.2
WSR2
4527
WSR3
4527
Note
(1)
The WSR3 requires a minimum of 1050 sq. mil. circuit traces connecting to the recommended solder pad
• Part Marking: DALE, Model, Value, Tolerance, Date Code
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
Dielectric Withstanding Voltage
Insulation Resistance
Operating Temperature Range
Maximum Working Voltage
Weight/1000 pieces (typical)
UNIT
ppm/°C
V
AC
Ω
°C
V
g
WSR2 & WSR3
0.005
Ω
- 0.0099
Ω
= ± 110
0.010
Ω
- 1.0
Ω
= ± 75
> 500
> 10
9
- 65 to + 275
(P x
R)
1/2
440
GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBERING: WSR25L000FTA (PREFERRED PART NUMBERING FORMAT)
W
GLOBAL MODEL
WSR2
WSR3
S
R
2
5
L
0
0
0
F
T
A
SPECIAL
(Dash
Number)
(up to 2 digits)
From
1 - 99
as
applicable
VALUE
L
= mΩ*
R
= Decimal
5L000
= 0.005
Ω
R0100
= 0.01
Ω
*
use
“L” for resistance
values
< 0.01
Ω
TOLERANCE
D
= ± 0.5 %
F
= ± 1.0 %
J
= ± 5.0 %
PACKAGING
EA
= Lead (Pb)-free, tape/reel
EK
= Lead (Pb)-free,
bulk
TA
= Tin/lead, tape/reel (R86)
BA
= Tin/Lead,
bulk
(B43)
HISTORICAL PART NUMBER EXAMPLE: WSR2 0.005
Ω
1
%
R86 (WILL CONTINUE TO BE ACCEPTED)
WSR2
HISTORICAL MODEL
0.005
Ω
RESISTANCE
VALUE
1
%
TOLERANCE CODE
R86
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply
www.vishay.com
30
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30101
Revision: 26-Mar-07
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