○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
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General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print. A subsidiary of
TT electronics plc
• Corpus Christi Texas 78411 USA© IRC Advanced Film Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Email: afdsales@irctt.com • Website: www.irctt.com LR Series Issue October 2004
Low Value Current Sense
Flat Chip Resistor
LR Series
• Resistance range from 0.002Ω up to 1Ω
• Standard 60/40 and lead-free terminations available
• High power dissipation at 70°C
• Tolerances to ±1%
Electrical Data
Outline Dimensions
602101022152
.nimm.nimm.ni.mm
L210.0±621.0503.0±02.3510.0±602.083.0±32.5510.0±652.083.0±05.6
W800.0±460.0302.0±36.1010.0±401.052.0±46.2010.±821.052.0±52.3
H400.0±420.0201.0±16.0400.0±920.01.0±47.0400.0±920.01.0±47.0
D010.0±910.052.0±84.0010.0±910.052.0±84.0010.0±910.052.0±84.0
E010.0±910.052.0±84.0010.0±910.052.0±84.0010.0±910.052.0±84.0
H
D
L
Protective Overcoat
Copper Conductor Element
CopperTermination
60/40 Solder Plating
Nickel Barrier Layer
Copper Wraparound
Termination
Alumina Substrate
W
E
eziS
ecnatsiseR
egnaR R*CT
)C°/mpp(
gnitaR rewoP
C°07ta
)sttaW(
cirtceleiD
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erutarepmeT
taesiR
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rewoPxaMrof
C°07@gnitaR
ecnareloT
J, K
602 1ot300.0
Ω
001±
00
2C
°04
C°051+otC°55-
mm03
2
0101 ot300.0
Ω
002C°08mm03
2
2151ot300.0
Ω
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2C
°09mm003
2
smho50.0rednuseulavnonoitamrofniRCTrofyrotcaftcatnoC*
ecnareloT
K
1ot300.0
Ω
1 ot200.0
Ω
1ot200.0
Ω
ecnareloT
F, G, J, K
1ot010.0
Ω
1 ot010.0
Ω
1ot010.0
Ω
50.
01.
LR Series Issue October 2004
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vanced Film Dianced Film Di
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• Corpus Christi Texas 78411 USA© IRC Adv anced Film Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Email: afdsales@irctt.com • Website: www.irctt.com
Low Value Current Sense
Flat Chip Resistor
Environmental Performance
Prefix LRC - LRF 1206 - 01 - R020 - F
Model
LR for values > 0.025Ω
LRF for values ≤ 0.025Ω
Size
1206; 1206LF; 2010; 2010LF; 2512; 2512LF
LF=Lead Free Terminations
TCR Code
01 = ±100ppm/°C
Resistance Code
4-Digit resistance code. Ex: R050 = 0.050Ω; 1R00 = 1Ω
T olerance Code
F = ±1%, G = ±2%, J = ±5%
For additional information or to discuss your specific requirements,
please contact our Applications Team using the contact details below.
Pulse and Surge Capability
Average power
dissipation
should not
exceed normal
70°C rating
Surge or Repetitive Pulse Duration
300 µSec 1 mSec 3 mSec 10 mSec 30 mSec 100 mSec 300 mSec 1 Sec
70
50
30
20
10
7
5
3
Surge Power Watts
LRC 2512 2 watts
LRC 2010 1 watt
LRC 1206 0.5 watts
Power Derating Curve
Power Derating and Pulse/Surge Capability
Ordering Procedure
○○○○○○
○○○○○○○○○○○
○○○○○○○○○○○○○○
○○○○○○
○○○○○○○○○○○○○○
○○○○○○○○○○
○○○ ○○○○○○○○○○○
○○○○○○○○○○○○○
○○
○○○○○○○○○○○○○○○○
○○○○○○○○○○○○○○○○○○
tseTlatnemnorivnE dohteMtseT )egnahCecnatsiseR(ecnamrofreP
kcohSlamrehT 701dohteM202-DTS-LIM
C°521+C°56-,BnoitidnoC ±0.5% +
0.0005
daolrevOemiTtrohS 24355-FRP-LIM
erusopxEerutarepmeThgiH 24355-FRP-LIM%5.0±
gnilcyCerutarepmeT 0101dohteM388-DTS-LIM
C°521+C°56-,BnoitidnoC %52.0±
ecnatsiseRerutsioM 24355-FRP-LIM%5.0±
efiLdaoL C°07@rewoPdetaR24355-FRP-LIM%0.1±
noitarepOerutarepmeTwoL 24355-FRP-LIM%5.0±
taeHredloSotecnatsiseR 012dohteM202-DTS-LIM
ecnatsiseRhcaeL C°052redloSnetloMmuminimsdnoces09
±0.5% +
0.0005
±0.25% +
0.0005
Recommended Solder P ad Layout
A
B
C
.MID6021RL0102RL2152RL
A
.ni080.0021.0541.0
mm)0.2()50.3()7.3(
B
.ni061.0552.0503.0
mm)0.4()5.6()57.7(
C.ni050.0060.0060.0
mm)52.1()5.1()5.1(
25° 70° 150°
100
50
10
% Of Rated Power
Temperature in °C
