Class-leading* 1W rated power in the 1220 size
LTR10L
High Power Wide Terminal Thick-Film Shunt Resistors
Achieves Higher Power and Accuracy in a Smaller size Class-Leading* Low TCR
LTR10L
1220 size
(1.25mm×2.0mm)
Increased Sulfuration Resistance
LTR10L
(1.25mm×2.0mm)
Conventional Product
MCR100
(6.4mm×3.2mm)
Conventional Product
LTR18
(1.6mm×3.2mm)
88%
smaller
51%
smaller
ROHM Conventional Product
LTR10L
MCR100 LTR18 LTR10
size
mm (inch)
6432
(2512)
1632
(0612)
1220
(0508)
1220
(0508)
Rated Power
1.0W 1.0W 0.5W 1.0W
Resistance
Tolerance
F (±1.0%)
J (±5.0%)
F (±1.0%)
J (±5.0%)
F (±1.0%)
J (±5.0%)
D (±0.5%)
F (±1.0%)
J (±5.0%)
*ROHM September 2022 study
Sulfuration Performance Comparison:
LTR10L vs Conventional Products
Superior sulfuration resistance
makes them ideal for applications
requiring long-term reliability
Resistance Change Rate R/R ()
3.0
-3.0
-2.0
-1.0
0
1.0
2.0
Initial
LTR10L
(100mΩ)
ROHM
Conventional Product
100h 750h500h250h 1,000h Initial 100h 750h500h250h 1,000h
Improved sulfuration
resistance compared with
conventional products
Test Conditions
Sulfur powder test: 5g sulfur powder exposed to 110°C atmosphere
108
65
TCR Comparison:
LTR10L vs General Products
86
51
Cold (55°C) Hot (+125°C)
LTR10L
(100mΩ)
Standard Product
Temperature Coefficient of Resistance (ppm/°C)
Cold (55°C) Hot (+125°C)
Class-leading* guaranteed
TCR value (blue line)
High accuracy detection contributes
to improved application reliability
220
200
180
160
140
120
100
80
60
40
20
0
TCR guaranteed
TCR guaranteed
Featured Products
Contributes to greater application miniaturization when replacing conventional products
Provides class-leading* 1W rated power in the 1220 size
Resistance tolerances as low as ±0.5% (Class D)
Supports applications requiring high current detection accuracy
Improved element structure ensures superior temperature coefficient of resistance (TCR)
Temperature Coefficient of Resistance same as metal plate shunt resistors
Increased anti-sulfuration performance
Suitable for applications requiring long-term reliability
0.2
PML
series
Metal
Plate
Wide
Terminal
LTR/LHR series
Thick
Film
LTR100L
PSR
series
Metal
Plate
GMR
series
PMR series
Rated Power (W)
15
10
7
6
5
4
3
2
1
0.5
0.1 1 10 3347 100 1,000
Resistance ()
Metal
Plate
Wide
Terminal
Metal
Plate
Part No.
Size Code
mm (inch)
Rated Power
Rated Ambient
Temperature
Rated Terminal
Temperature
Tolerance
Temperature Coefficient
(ppm/°C)
Resistance Range
Operating
Temperature (°C)
Automotive Grade
AEC-Q200
LTR10L
1220
(0508)
1W 70°C 125°C
J (±5%)
F (±1%)
0 to 150
0 to 100
33mΩ to 180mΩ
200mΩ to 910mΩ
(
E24 series)
(
E24 series)
-55 to +155
YES
D (±0.5%)
0 to 150
0 to 100
100mΩ to 180mΩ
200mΩ to 910mΩ
(
E24 series)
(
E24 series)
LTR18
1632
(0612)
1W 70°C -
J (±5%)
F (±1%)
0 to 300
0 to 200
0 to 150
±100
10mΩ to 18mΩ
20mΩ to 47mΩ
51mΩ to 470mΩ
510mΩ to 1Ω
(E24 series)
(E24 series)
(E24 series)
(E24 series)
YES
1.5W 70°C 95°C
J (±5%)
F (±1%)
0 to 300
0 to 200
0 to 150
±100
10mΩ to 18mΩ
20mΩ to 47mΩ
51mΩ to 470mΩ
510mΩ to 1Ω
(E24 series)
(E24 series)
(E24 series)
(E24 series)
YES
LTR50
2550
(1020)
2W 70°C -
J (±5%)
F (±1%)
0 to 300
0 to 200
0 to 150
±100
10mΩ to 18mΩ
20mΩ to 47mΩ
51mΩ to 91mΩ
100mΩ to 910mΩ
(
E24 series)
(
E24 series)
(
E24 series)
(
E24 series)
YES
LTR100L
3264
(1225)
4W 70°C 110°C
J (±5%)
F (±1%)
0 to 300
0 to 200
0 to 150
10mΩ to 18mΩ
20mΩ to 47mΩ
51mΩ to 91mΩ
(
E24 series)
(
E24 series)
(
E24 series)
-65 to +155 YES
LTR100
2W 70°C -
J (±5%) ±200 100mΩ to 910mΩ
(
E24 series)
-55 to +155
YES
F (±1%)
0 to 150
0 to 100
100mΩ to 180mΩ
200mΩ to 910mΩ
(
E24 series)
(
E24 series)
3W 70°C 110°C
J (±5%) ±200 100mΩ to 910mΩ
(
E24 series)
YES
F (±1%)
0 to 150
0 to 100
100mΩ to 180mΩ
200mΩ to 910mΩ
(
E24 series)
(
E24 series)
LTR Low Ohmic Resistor Lineup
Shunt Resistor Product Map Application Examples
Existing Product Under Development
: Under Development
*ROHM defines resistors used for current sensing applications
with a resistance value of or less as shunt resistors’.
Click on the icon to access the
product page on ROHM’s website
Click on the icon to access the product
datasheet on ROHM’s website
LTR10L
Under Development :
10mΩ to 33mΩ
47 100 1,000
0.2
0
1
0.5
10 33
1220 size
1W/33mΩ to 910mΩ
MCR10L/MCR18L
LTR10L
The information contained in this document is current as of September 1st, 2022.
O_169Catalog No. 65OP7340E 09.2022 PDF © 2022 ROHM Co., Ltd.
Industrial Equipment
Communication Base
Stations
FA Equipment
Motor Peripheral Circuits
Various Power Supplies
Automotive
LED Headlamps
Motor Peripheral Circuits
Various Power Supplies
Consumer Devices
AC
Washing Machines
Refrigerators
Ideal for a wide range of circuits requiring current detection,
such as motor, battery and LCD applications
Thick
Film
Wide
Terminal