Resistors
Low Value Flat Chip Resistor
LR Series
Standard 2512, 2010 and 1206 sizes
Resistance values down to 0.003 ohms
ꢀ Leachꢀresistantꢀsolder-platedꢀcopperꢀwrap-aroundꢀterminaꢁon
ꢀ AEC-Q200ꢀQualified
RoHS compliant and SnPb variants
AllꢀpartsꢀareꢀPb-freeꢀandꢀcomplyꢀwithꢀEUꢀDirecꢁveꢀ2011/65/EUꢀ(RoHS2)
LR1206
0.5
LR2010
1
LR2512
2
Power rating @70°C
Resistance range1
Resistance tolerance1
watts
ohms
%
R003 to 1R0
<R01: 5, ≥R01: 1, 2, 5
≥R05: 100, R025ꢀR0ꢁ7: <ꢂ200, R015ꢃR02ꢁ: <ꢂ300,
R01ꢃR01ꢁ: <ꢂ500, <R01: <ꢂ900
TCR
ppm/°C
Dielectric withstand
Ambient temperature range
Values
volts
°C
200
ꢃ55 to ꢂ150
E2ꢁ preferred2
80
Temperature rise at rated power
Pad / trace area3
°C
mm2
ꢁ0
30
90
100
300
Note 1: Contact factory for value ꢀ tolerance combinations outside this range. Note 2: Many values = N x R001 and N x R005 up to N=10 are also
available. Note 3: Recommended minimum pad & adjacent trace area for each termination for rated dissipation on FRꢁ PCB
Physical Data
Dimensions (mm)
Size
L
W
H (max)
0.8
D
LR1206
LR2010
LR2512
3.20 0.305
5.23 0.38
6.50 0.38
1.63 0.20
2.64 0.25
3.25 0.25
0.48 0.25
0.48 0.25
0.48 0.25
0.84
0.84
LR 1206 / 2010 / 2512
W
L
H
D
Solder Plating
Nickel Barrier Layer
Copper Wraparound
Termination
Protective Overcoat
Resistive Element
Copper Termination
Alumina Substrate
Recommended Solder Pad Dimensions (mm)
A
A
B
C
LR1206
LR2010
LR2512
2.0
3.05
3.7
4.0
1.25
B
6.5
1.5
1.5
C
7.75
General Note
BI Technologies IRC Welwyn
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
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06.17