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WSR31L670FEA

Description
RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 0.00167 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size95KB,3 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Environmental Compliance
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WSR31L670FEA Overview

RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 0.00167 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT

WSR31L670FEA Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
package instruction, 4527
Reach Compliance Codecompliant
ECCN codeEAR99
JESD-609 codee2
Installation featuresSURFACE MOUNT
Number of terminals2
Maximum operating temperature275 °C
Minimum operating temperature-65 °C
Package shapeRECTANGULAR PACKAGE
method of packingTR, EMBOSSED PLASTIC, 13 INCH
Rated power dissipation(P)3 W
Rated temperature70 °C
resistance0.00167 Ω
Resistor typeFIXED RESISTOR
size code4527
surface mountYES
technologyMETAL STRIP
Terminal surfaceTin/Silver (Sn96Ag4)
Terminal shapeWRAPAROUND
Tolerance1%
Base Number Matches1
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/+ 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
= Milliohm*
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
26
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30101
Revision: 26-Mar-07

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Description RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 0.00167 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00125 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00125 ohm, SURFACE MOUNT, 4527, CHIP RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 75 ppm, 0.376 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 75 ppm, 0.376 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 75 ppm, 0.18 ohm, SURFACE MOUNT, 4527, CHIP RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.0086 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.0083 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.0083 ohm, SURFACE MOUNT, 4527, CHIP
Is it lead-free? Lead free Lead free Contains lead Lead free Lead free Contains lead Lead free Lead free Contains lead
Is it Rohs certified? conform to conform to incompatible conform to conform to incompatible conform to conform to incompatible
package instruction , 4527 , 4527 , 4527 , 4527 , 4527 SMT, 4527 SMT, 4527 SMT, 4527 SMT, 4527
Reach Compliance Code compliant compliant compliant compliant compliant compliant compliant compliant compli
JESD-609 code e2 e2 e0 e2 e2 e0 e2 e2 e0
Installation features SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT
Number of terminals 2 2 2 2 2 2 2 2 2
Maximum operating temperature 275 °C 275 °C 275 °C 275 °C 275 °C 275 °C 275 °C 275 °C 275 °C
Minimum operating temperature -65 °C -65 °C -65 °C -65 °C -65 °C -65 °C -65 °C -65 °C -65 °C
Package shape RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE
method of packing TR, EMBOSSED PLASTIC, 13 INCH TR, EMBOSSED PLASTIC, 13 INCH TR TR, EMBOSSED PLASTIC, 13 INCH BULK TR TR, EMBOSSED PLASTIC, 13 INCH TR, EMBOSSED PLASTIC, 13 INCH TR
Rated power dissipation(P) 3 W 2 W 2 W 2 W 2 W 3 W 2 W 2 W 2 W
Rated temperature 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C
resistance 0.00167 Ω 0.00125 Ω 0.00125 Ω 0.376 Ω 0.376 Ω 0.18 Ω 0.0086 Ω 0.0083 Ω 0.0083 Ω
Resistor type FIXED RESISTOR FIXED RESISTOR FIXED RESISTOR FIXED RESISTOR FIXED RESISTOR FIXED RESISTOR FIXED RESISTOR FIXED RESISTOR FIXED RESISTOR
size code 4527 4527 4527 4527 4527 4527 4527 4527 4527
surface mount YES YES YES YES YES YES YES YES YES
technology METAL STRIP METAL STRIP METAL STRIP METAL STRIP METAL STRIP METAL STRIP METAL STRIP METAL STRIP METAL STRIP
Terminal surface Tin/Silver (Sn96Ag4) Tin/Silver (Sn96Ag4) Tin/Lead (Sn/Pb) Tin/Silver (Sn/Ag) Tin/Silver (Sn/Ag) Tin/Lead (Sn/Pb) Tin/Silver (Sn/Ag) Tin/Silver (Sn/Ag) Tin/Lead (Sn/Pb)
Terminal shape WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND
Tolerance 1% 1% 1% 1% 1% 1% 1% 1% 1%
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 - EAR99 EAR99 EAR99
Base Number Matches 1 1 1 1 1 - - - -
Maker - Vishay Vishay - - Vishay Vishay Vishay Vishay
Temperature Coefficient - - - 75 ppm/°C 75 ppm/°C 75 ppm/°C 110 ppm/°C 110 ppm/°C 110 ppm/°C
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