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WSR27L400FEK

Description
RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.0074 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size135KB,3 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Environmental Compliance
Download Datasheet Parametric View All

WSR27L400FEK Overview

RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.0074 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT

WSR27L400FEK Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerVishay
package instructionSMT, 4527
Reach Compliance Codecompliant
ECCN codeEAR99
structureChip
JESD-609 codee2
Manufacturer's serial numberWSR
Installation featuresSURFACE MOUNT
Number of terminals2
Maximum operating temperature275 °C
Minimum operating temperature-65 °C
Package height2.41 mm
Package length11.56 mm
Package shapeRECTANGULAR PACKAGE
Package formSMT
Package width6.98 mm
method of packingBULK
Rated power dissipation(P)2 W
Rated temperature70 °C
GuidelineAEC-Q200
resistance0.0074 Ω
Resistor typeFIXED RESISTOR
seriesWSR
size code4527
surface mountYES
technologyMETAL STRIP
Temperature Coefficient110 ppm/°C
Terminal surfaceTin/Silver (Sn/Ag)
Terminal shapeWRAPAROUND
Tolerance1%
Base Number Matches1
WSR
Vishay Dale
Power Metal Strip
®
Resistors,
Low Value, 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
All welded construction
Solid metal Nickel-chrome or Manganese-copper alloy
resistive element with low TCR (< 20 ppm°C)
Solderable terminations
Very low inductance 0.5ηH to 5ηH
Excellent frequency response
Low thermal EMF
Lead (Pb)-Free version is RoHS Compliant
Pb-free
Available
e2
RoHS*
COMPLIANT
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
WSR2
WSR3
SIZE
POWER RATING
P
70°C
W
2.0
3.0*
RESISTANCE RANGE
± 0.5%
0.01 - 1.0
0.01 - 0.2
± 1.0%
0.001 - 1.0
0.001 - 0.2
4527
4527
*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
°C
V
g
WSR2 & WSR3
0.005Ω - 0.0099Ω = ± 110
0.010Ω - 1.0Ω = ± 75
> 500
> 10
9
- 65/+ 275
(P x R)
1/2
440
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: WSR25L000FEA (preferred part numbering format)
W
GLOBAL MODEL
WSR2
S
R
2
5
L
0
0
0
F
E
A
SPECIAL
(Dash Number)
(up to 3 digits)
From
1-999
as
applicable
VALUE
L
= Miliohm
R
= Decimal
5L000
= 0.005Ω
R0100
= 0.01Ω
0.005Ω
TOLERANCE
D
=
±
0.5%
F
=
±
1.0%
J
=
±
5.0%
1%
EA
PACKAGING
EA
= Lead Free, tape/reel
EK
= Lead Free, Bulk
TA
= Tin/Lead, tape/reel (R86)
BA
= Tin/Lead, bulk (B43)
Historical Part Number example: WSR2
(will continue to be accepted)
WSR2
HISTORICAL MODEL
0.005Ω
RESISTANCE VALUE
1%
TOLERANCE CODE
EA
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply
www.vishay.com
214
For technical questions contact: ww2bresistors@vishay.com
Document Number: 30101
Revision: 30-Sep-05
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