Ultra-thin Current Sense Resistor – Compact & Precise Current Measurement
Discover Ultra-thin Current Sense Resistors for compact electronics. Low profile, high precision, and reliable current measurement. Ideal for BMS, EVs, and power electronics.
Discover Ultra-thin Current Sense Resistors for compact electronics. Low profile, high precision, and reliable current measurement. Ideal for BMS, EVs, and power electronics.
PROSEMI’s ultra-thin, ultra-low resistance resistor series combines outstanding performance and compactness, with package sizes ranging from 0402 to 1206, rated power from 0.25W to 1W, and resistance values from 5mΩ to 50mΩ. These resistors have a thickness of less than 0.4mm and are designed for applications that require extremely small space and high efficiency, such as battery packs, inverters, consumer electronics, and other fields.
We take pride in our fast delivery. Large orders can be shipped within 6 weeks, and we have a complete sample library, offering flexible sample provisions. In addition, we provide customized solutions with short development cycles to ensure your specific needs are met. As the first domestic brand to successfully achieve mass production of ultra-thin, ultra-low resistance resistors, we are trusted by leading companies such as AMD, Lenovo, and SanDisk.
Whether you need standard products or custom solutions, our team is dedicated to providing high-quality, reliable resistors to enhance your designs and meet the most stringent technical standards.Request a quote now and experience the performance and reliability of PROSEMI resistors in your next design.
Ultra-thin Current Sense Resistors provide precise current measurement while saving valuable PCB space, making them essential for compact, high-density electronic applications. They are widely used in battery management systems (BMS), electric vehicles, wearable devices, charging stations, and power electronics. When selecting the right resistor, consider key specifications such as resistance value, tolerance, power rating, and package size to ensure optimal performance for your application.
👉 Detailed specifications available in our Model or PDF.
| Model | Package | Series | TCR (ppm/℃) | Resistance Value (mΩ) | Power Rating (W or A) | Tolerance(%) | Automotive | |
|---|---|---|---|---|---|---|---|---|
| MLR05A | 0508 | MLR05 | ±100 | 1~2 | 1W | ±0.5,±1,±2,±5 | No | |
| MLR05A | 0508 | MLR05 | ±50 | 3~25 | 1W | ±0.5,±1,±2,±5 | No | |
| MLR05A | 0508 | MLR05 | ±70 | 1~2 | 1W | ±0.5,±1,±2,±5 | No | |
| MLR05A | 0508 | MLR05 | ±75 | 3~10 | 1W | ±0.5,±1,±2,±5 | No | |
| MLR06A | 0612 | MLR06 | ±50 | 3~25 | 1W | ±1.0 | No | |
| MLR06A | 0612 | MLR06 | ±70 | 1~2 | 1W | ±1.0 | No | |
| AMLR06 | 0612 | AMLR06 | ±50 | 20 | 1W | ±1.0 | Yes | |
| MSR06A | 0603 | MSR06 | ±100 | 4~5 | 0.5W | ±0.5,±1.0 | No | |
| MSR06A | 0603 | MSR06 | ±150 | 2~3 | 0.5W | ±0.5,±1.0 | NO | |
| MSR06A | 0603 | MSR06 | ±75 | 6~10 | 0.5W | ±0.5,±1.0 | NO | |
| MSR08A | 0805 | MSR08 | ±200 | 1 | 0.75W | ±0.5,±1.0 | No | |
| MSR08A | 0805 | MSR08 | ±75 | 3~5 | 0.75W | ±0.5,±1.0 | No | |
| MSR08A | 0805 | MSR08 | ±100 | 1.5~2 | 0.75W | ±0.5,±1.0 | No | |
| MSR08A | 0805 | MSR08 | ±50 | 6~20 | 0.75W | ±0.5,±1.0 | No | |
| AMSR08 | 0805 | AMSR08 | ±50 | 20 | 0.75W | ±1.0 | Yes | |
| MSR12A | 1206 | MSR12 | ±50 | 5~20 | 1W | ±0.5,±1.0 | No | |
| MSR12A | 1206 | MSR12 | ±75 | 1.5~4 | 1W | ±0.5,±1.0 | No | |
| MSR12A | 1206 | MSR12 | ±100 | 1 | 1W | ±0.5,±1.0 | No |
The long terminal design enhances the stability and reliability of the connection, while the low resistance enables more precise detection of small current changes, providing more accurate signals for measurement and helping to improve the accuracy of current measurements.
The precision alloy current sensing resistor with short terminals and low resistance value offers advantages such as reduced parasitic inductance and distributed capacitance, improved space utilization, and enhanced mechanical stability. It can improve circuit performance, facilitate device miniaturization, and adapt to harsh environments.
The precision metal alloy current sense resistor is small in size and ultra-thin in thickness, offering advantages such as space-saving, improved integration, better heat dissipation, and adaptability to special environments. It is beneficial for the miniaturization and high-performance development of electronic devices and meets the demands of specialized fields.
Prosemi Technology, as a leading company in the field of precision current sensing components, is dedicated to providing customers with high-performance and high-reliability solutions. Our precision alloy current-sensing resistors, including SMD current sense chip resistors and shunt resistors, are designed for a variety of applications, helping your products achieve accurate current detection and efficient energy management.
Order your Ultra-thin Current Sense Resistors today and benefit from compact design, high accuracy, fast delivery, and expert support.
High welding precision, allowing accurate positioning and control of weld width to ensure resistor performance; Excellent weld quality, with rapid cooling forming fine grain structures, while the vacuum environment minimizes welding defects; Small heat-affected zone, helping preserve the properties of precision alloy materials and reducing the risk of resistance value changes; Wide range of weldable materials, suitable for various refractory and high-alloy materials, expanding material selection options; High level of automation, enabling integration with control systems for precise automated operations, ensuring stable quality, improving production efficiency, and meeting the demands of large-scale manufacturing.
Ultra-high precision, enabling the fabrication of fine structures to meet high-accuracy requirements; Excellent consistency, which improves yield rates in mass production and enhances circuit stability; Strong capability for complex structure fabrication, making it easier to meet the needs of special applications and innovation; Wide material compatibility, adaptable to various alloy materials to maximize performance advantages; Minimal impact on material properties, reducing structural and performance damage during processing to ensure long-term reliability of the resistor.
In terms of precision and performance, high-precision dimensional control is achieved to support high-density circuit boards and enhance circuit stability. Mechanical properties are strengthened to ensure suitability for harsh environments. In manufacturing and protection, production efficiency is improved while reducing costs. The resistors are endowed with excellent electrical insulation, good heat dissipation, and strong environmental adaptability, offering resistance to moisture, dust, and corrosion—effectively extending service life.
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