ROHM offers a wide range of chip resistors for current detection. These resistors have low resistance values, high accuracy and a wide temperature range. They are suitable for current detection in smartphones, wearables and other small devices. For example, ROHM's UCR006 series is a 0201 inch (0.6mm x 0.3mm) thick film that achieves industry-leading low resistance of 100mΩ and has a service temperature range of -55 to 155°C and a power rating of 0.1W, suitable for applications requiring miniatures and low power consumption. In addition, ROHM has other series of patch resistors, such as PSR, GMR, LTR, PML and PMR series, each offering different characteristics and solutions for different application requirements. You can choose the appropriate ROHM current detection patch resistor according to the specific application requirements.
High Power shunt Resistors/Very Low Resistance Metal (PSR) (23)
Metal plate high-power type
Available dimensions (mm) : 6432, 10×5.2, 15×7.75
Rated power: 3W ~ 15W
Resistance value range: 0.1mΩ ~ 3mΩ
Suitable for high current circuit current detection
Low TCR in the field of ultra-low resistance is achieved
High Power Low Resistance GMR Series (18)
Metal plate high-power type
Size (mm) : 5025 ~ 7142
Rated power: 4W ~ 10W
Resistance value range: 5mΩ ~ 220mΩ
The new structure achieves high heat dissipation and high reliability
Special alloy is used to achieve low TCR
Low Resistance Patch resistors/Long Side Electrode Type (PML) for current detection (6)
Metal plate long side electrode type
Size (mm) : 1220 ~ 3264
Rated power: 0.66W ~ 2W
Resistance value range: 0.5mΩ to 2.5mΩ
No fine adjustment structure, improve the current detection accuracy
Wide terminal and Thick Film High Power Shunt Resistors (LTR) (23)
Thick film long edge electrode type
Available size (mm) : 1220 ~ 3264
Rated power: 0.5W ~ 2W
Resistance range: 10mΩ to 1Ω
High power rating with high heat dissipation
Ultra-low Resistance Patch resistors (PMR) for current detection (24)
Metal plate universal type
Available size (mm) : 1005 ~ 6432
Rated power: 0.2W ~ 5W
Resistance value range: 0.5mΩ ~ 10mΩ
No fine tuning structure to reduce surface temperature rise
Low Resistance Patch resistors (UCR) for current detection (20)
Thick film back mount type
Size (mm) : 0603 ~ 3216
Rated power: 0.1W ~ 1W
Resistance value range: 10mΩ ~ 100mΩ
The back mount structure is adopted to reduce the deviation of resistance value
