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LRF3WLF-01-R011F

Description
Current Sense Resistors - SMD
CategoryPassive components   
File Size530KB,3 Pages
ManufacturerTT Electronics
Download Datasheet Parametric View All

LRF3WLF-01-R011F Overview

Current Sense Resistors - SMD

LRF3WLF-01-R011F Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerTT Electronics
Product CategoryCurrent Sense Resistors - SMD
Resistance11 mOhms
Power Rating3 W
Tolerance1 %
Temperature Coefficient100 PPM / C
Minimum Operating Temperature- 55 C
Maximum Operating Temperature+ 150 C
Voltage Rating-
Case Code - in1225 (Reversed)
Case Code - mm3264 (Reversed)
TechnologyThick Film
Termination4 Terminal
ApplicationCurrent Sense
Diameter-
Height0.03 in
Length0.25 in
Operating Temperature Range- 55 C to + 150 C
Package / Case1225 (3264 metric) Reversed
ProductThick Film Current Sensing Resistors
Termination StyleSMD/SMT
TypeLow Value 3W Chip Resistors
Width0.125 in
Mounting StylePCB Mount
ip Resistors
W Series
Low Value 3W
Resistors
Low Value 3W
Welwyn Compon
Welwyn Components
Welwyn Components
atts @ 70°C
Chip
Value 3W Chip Resistors
Resistors
Low
Resistors
Chip
LRF3W Series
LRF3W Series
stance range
Series
0.003 to 1Ω
LRF3W
from
3 Watts @
package
3W in 1225
70°C
rances to
Resistance range from 0.003 to 0.1Ω
1Ω
±1%
Resistance 70°C from 0.003 to
3 Watts @ range
Tolerances to ±1%
Resistance
±1%
Tolerances
-Q200 Qualified
to
range from 0.003 to 1Ω
Tolerances to ±1%
AEC-Q200 Qualified
AEC-Q200 Qualified
Low thermal impedance
AEC-Q200 Qualified
Wide terminations enhance robustness
RoHS compliant and SnPb variants
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
% Of % Of Power Rating
Power Rating
trical Data
Electrical Data
Electrical Data
Characteristic
Power
cteristic
@70°C
Power
a
rating @70°C
Char
dissipation
Resistance Range
Resistance range
1
@70°C
Power dissipation
Value
3
Value
Watts
watts
R003Watts
1R0
3 to
ohms
Power Derating Curve
Power Derating Curve
LRF3W
100
100
80
80
60
Power Derating Curve
3
teristic
% Of Power Rating
issipation
Dielectric
tolerance
Resistance
wRangend
Resistance ithsta
Ambient
@70°C
ictempsrange
TCR
lectr with tand
Die
Value
200V
3
%
R003 to 1R0
-55 to 00V
+150°C
Watts
2
ppm/°C
100
5, ≥R004: 1, 2, 5
<R004:
80
≥R004: ±100
R003 to R10
60
40
<R004: ±550,
40
<R004 5%,
20
Ambient temp range
Dielectric withstand
200
R003 to
-55 to +150°C
1R0
volts
Resistance tolerance
≥R004
1, 2, 5%
Ambient temperature range
°C
-55 to +150
<R004 5%,
20
60
0
Resistance tolerance
c withstand
TCR
200
±100p1,m/°5%
V
p 2, C
25°
70°
≥R004
Values
E24 preferred
2
Temperature in °C
0
Pad
70°
40
25°
500
T
±100pp
mm
C
m
t temp range
CR
/
& trace area for maximum
-55 to +150°C
2
°
2
Pad trace area
3
300mm /
Temperature in °C
power trace area for maximum
rating*
Pad &
Note 1: Contact factory for values outside this range. Note 2: Many values = N x R001 and N x R005 up to N=10 are also available.
300mm
<R004 5%,
2
20
power rating*
Note 3: Recommended minimum pad & adjacent trace area for each termination for rated dissipation on FR4 PCB
ce tolerance
ce Range
150°
150°
Physical Data
Physical Data
Top
Top
≥R004
1, 2, 5%
±100ppm/°C
300mm
2
0
Bottom
(Board Side)
Bottom
Bottom
(Board
Side)
ace area for maximum
ating*
0.51
±
0.13mm
0.51
±
0.13mm
Plating
wrap-around
Plating
wrap-around
0.81
±
0.13mm
0.81
±
0.13mm
2.29
±
0.13mm
2.29
±
0.13mm
Solder Pad Layout
Recommended Solder Pad Dimensions
Recommended
Recommended Solder
Kelvin PCB traces
with example
Pad Dimensions
Solder Pad Layout
with example Kelvin PCB traces
70°
Recommended
Temperature in °C
25°
150°
sical Data
6.5
±
0.38mm
6.5
±
Top
0.38mm
7.6mm
7.6 mm
Current Track:
I
7.6mm
Bottom
(Board Side)
Sense Tracks: V+
Recommended
Solder Pad Layout
1mm
2 mm
2mm
V-
1 mm
1mm
2mm
0.51
±
0.13mm
3.25
±
0.25mm
3.25
±
0.25mm
0.94 mm max
thickness
0.94 mm max
thickness
Current Track:
I
0.81
±
0.13mm
Weight 0.065g typ.
Weight 0.065g typ.
Plating
wrap-around
2.29
±
0.13mm
7.6mm
0.38mm
2m
General Note
Welwyn Components reserves the right to make changes
mm max
specification without notice or liability.
0.94
in product
General Note
BI Technologies IRC
A
Welwyn
subsidiary of
General Note
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
TT Electronics reserves the right to make changes in product
thickness
without notice or liability.
specification
TT electronics plc
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is
is subject to Welwyn’s own data and is considered
accurate
NE22 7AA, UK
to
to print.
A subsidiary of
All information
subject to TT Electronics’ own
Bedlington, Northumberland at time
going
© Welwyn Components Limited
·
data and is considered
accurate
at time of
of going
print.
www.ttelectronics.com/resistors
3.25
±
0.25mm
1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
TT electronics plc
04.10
Telephone: +44 (0)
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
© TT Electronics plc
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
04.10
11.17
1m
84
Weight 0.065g typ.
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