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WSR3R0200FEA Datasheet, PDF (1/3 Pages) Vishay Siliconix – 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
• Ideal for all types of current sensing, voltage
division and pulse applications including
switching and linear power supplies, instruments,
power amplifiers
• Proprietary processing technique produces
extremely low resistance values (down to
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)
• Compliant to RoHS directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
SIZE
POWER RATING
P70 °C
W
RESISTANCE RANGE
Ω
± 0.5 %
± 1.0 %
WSR2
4527
2.0
0.01 to 1.0
WSR3
4527
3.0 (1)
0.01 to 0.2
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
0.001 to 1.0
0.001 to 0.2
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
Dielectric Withstanding Voltage
Insulation Resistance
Operating Temperature Range
Maximum Working Voltage
Weight/1000 pieces (typical)
UNIT
ppm/°C
VAC
Ω
°C
V
g
WSR2 & WSR3
0.005 Ω to 0.0099 Ω = ± 110
0.010 Ω to 1.0 Ω = ± 75
> 500
> 109
- 65 to + 275
(P x R)1/2
440
GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBERING: WSR25L000FTA (PREFERRED PART NUMBERING FORMAT)
WS R2 5 L 0 0 0 F T A
GLOBAL MODEL
WSR2
WSR3
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)
SPECIAL
(Dash Number)
(Up to 2 digits)
From 1 to 99 as
applicable
WSR2
0.005 Ω
1%
R86
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
www.vishay.com
30
For technical questions, contact: ww2bresistors@vishay.com
PACKAGING
Document Number: 30101
Revision: 01-Jul-09