Metal Alloy Current Sensing Resistors
The only Chinese brand manufacturer that designs, develops and produces full-size products (from 0603 package to 5930 package);
The only Chinese brand manufacturer that designs, develops and produces full-size products (from 0603 package to 5930 package);
PROSEMI high-power resistor series is available in package sizes from 2512 to 5930, with power ratings ranging from 2W to 15W and resistance values from 0.1mΩ to 5mΩ. Designed for high-performance applications, this series is ideal for industries requiring reliable power handling, including automotive, industrial, and power management sectors.
We offer a complete range of series and resistance values to meet diverse customer needs, ensuring a perfect fit for your specific applications. With fast delivery times (8 weeks for mass production) and a comprehensive sample library for flexible testing, we make it easy for you to evaluate our products quickly.
Our resistors are widely used as replacement materials in the automotive industry, trusted by leading companies such as Li Auto, Fudi Technology, and Hangsheng (Hongqi). Whether you need standard components or customized solutions, we are committed to delivering high-quality, reliable resistors that meet your demanding requirements.
| Model | Package | Series | TCR (ppm/℃) | Resistance Value (mΩ) | Power Rating (W or A) | Tolerance(%) | Automotive | |
|---|---|---|---|---|---|---|---|---|
| PSRP12 | 1216 | PSRP12 | ±50 | 0.5、1 | 3~5 | 0.5、1、2、5 | No | |
| APSRP59 | 5930 | APSRP59 | ±50~200 | 0.1、0.2、0.3、0.5、1、1.5、2 | 7~15 | 0.5、1、2、5 | Yes | |
| APSRP39 | 3921 | APSRP39 | ±50~200 | 0.2、0.3、0.5、0.7、1~5 | 4~12 | 0.5、1、2、5 | Yes | |
| PSRP59 | 5930 | PSRP59 | ±50~200 | 0 1、0.2、0.3、0.5、1~3 | 7~15 | 0.5、1、2、5 | No | |
| PSRP40 | 4026 | PSRP40 | ±50~75 | 0.2、0.3、0.5、0.7、1~5 | 3~12 | 0.5、1、2、5 | No | |
| PSRP39 | 3920 | PSRP39 | ±50~200 | 0.2、0.3、0.5、0.7、1~5 | 4~12 | 0.5、1、2、5 | No | |
| PSRP27 | 2726 | PSRP27 | ±50~75 | 0.2、0.3、0.5、0.7、1~5 | 3~12 | 0.5、1、2、5 | No | |
| PSRP12 | 1216 | PSRP12 | ±50 | 0.5、1 | 3~5 | 0.5、1、2、5 | No | |
| PSR25 | 2512 | PSR25 | ±75~250 | 0.2、0.3、0.5、1~5 | 1~3 | 0.25、0.5、1、2、5 | No | |
| PSR39 | 3921 | PSR39 | ±50~75 | 0.3~4 | 2~3 | 1、5 | No | |
| PSRN39 | 3921 | PSRN39 | ±50~75 | 0.5~4 | 5~7 | 1、5 | No | |
| PSRP25 | 2512 | PSRP25 | ±75~175 | 0.2、0.3、0.5、1~5 | 3~6 | 0.5、1、2、5 | No | |
| SRC25 | 2512 | SRC25 | ±70~175 | 0.5~3 | 4~6 | 0.5、1、5 | No | |
| SRC39 | 3920 | SRC39 | ±50~200 | 0.2~5 | 3~6 | 1、2、5 | No | |
| SRC40 | 4026 | SRC40 | ±50~75 | 0.2~5 | 5~12 | 1、2、5 | No | |
| SRC59 | 5930 | SRC59 | ±50~200 | 0.3~3 | 5 | 1、5 | No | |
| APSR25 | 2512 | APSR25 | ±75~250 | 1~200 | 5 | 0.5、1、2、5 | Yes | |
| APSR39 | 3921 | APSR39 | ±50~75 | 0.3~4 | 2~3 | 1、5 | Yes | |
| APSRPN39 | 3921 | APSRPN39 | ±50~75 | 0.5~4 | 5~7 | 1、5 | Yes | |
| APSRP25 | 2512 | APSRP25 | ±75~175 | 0.2、0.3、0.5、1~5 | 3~6 | 0.5、1、2、5 | Yes | |
| ASRC25 | 2512 | ASRC25 | ±70~175 | 0.5~3 | 4~6 | 0.5、1、5 | Yes | |
| ASRC39 | 3921 | ASRC39 | ±50~200 | 0.2、0.3、0.5、1~5 | 4~12 | 0.5、1、2、5 | Yes | |
| ASRC40 | 4026 | ASRC40 | ±40~70 | 0.2、0.3、0.5、1~3 | 5 | 0.5、1、2、5 | Yes | |
| ASRC59 | 5930 | ASRC59 | ±50~200 | 0.1~3 | 7~15 | 0.5、1、2、5 | Yes |
Our operations are backed by the top certifications, proving our dedication to excellence:
1.ISO 9001 and ISO 14001 - Our commitment to quality management and environmental management systems assures efficiency and sustainability in every process.
2.IATF16949 Automotive System - We meet the stringent requirements of the automotive industry, emphasizing defect prevention and the reduction of variation and waste in the supply chain.
3.AEC-Q200 Certification - This certification stands as a testament to our products' reliability and performance in automotive electronics.
4.Comprehensive Environmental Quality Certifications - With UL, REACH, RoHS, VED, and HF certifications, our products meet the highest standards of environmental safety, reducing harmful impacts.
We take pride in our capability to produce the thinnest chip precision alloy resistors, with thicknesses as minimal as ≤0.35mm. This positions us as the sole manufacturer in China capable of designing, developing, and producing full-size chip precision alloy current sensing resistors ranging from 0402 to 5930 sizes.
Understand that each project carries its unique challenges. Therefore, we offer flexible delivery cycles varying from 6 to 12 weeks, tailored to meet your specific needs without compromising on quality or environmental integrity.
Headquarters Address: #901, 9th Floor, No.2 Building, No.8 Dayan Road, Suzhou Area of China (Jiangsu) Pilot Free Trade Zone, 215000
Monday to Friday - 9:00 AM to 6:00 PM
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