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