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High Precision Power Resistors High Current Pass and High Pulse Power

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High Precision Power Resistors High Current Pass and High Pulse Power

Time:2015-10-24 15:36Hits:3396

High-precision power resistors are precise measurement and control, which is the direction of the development of the electronics industry. It is necessary to use high-precision power resistors for precise measurement and control of electronic circuits. Such high-precision power resistors generally have high current through and high pulse power, especially in electric vehicles, trucks, forklifts, hybrids and electric vehicles. Electronic battery management (EBM) current sensors use the most high-precision power resistors.

At present, there are many types of low-value precision resistors on the market, and there are many manufacturers of low-value precision resistors, but there are not many companies that can produce high-precision power resistors. Whether it is a conventional resistor or a high-load power resistor, the product performance cannot meet the highest-end requirements, so the successful application of high-precision power resistors provides the possibility for these resistor solutions. Many resistor companies produce milliohm-level surface mount current detection resistors, which have won a lot of orders from the new energy automotive electronics industry. These resistor technologies are also relatively high-precision power resistors, because high-current precision power resistors are high It plays an irreplaceable role in the current circuit, and new energy vehicles need these resistance technologies.

 

At present, the most popular high-current precision power resistors on the market are 0.035mΩ, 0.05mΩ, 0.1mΩ, 0.2mΩ, 0.5mΩ. The rated power is 30W when the resistance value is 0.035mΩ, and the continuous current load is as high as 350A (when the resistance value is 0.1mΩ). ), the high current precision power resistor has the characteristics of high pulse power. In terms of physical properties, high-current precision power resistors are suitable for temperatures ranging from -40 to 170 °C, which meet the requirements of new energy vehicle resistors and have superior stability.

 

For the automotive BMS battery management system, the high-current precision power resistor has the advantages of high pulse power and high current passing, which provides more scientific and technological strength for the development of new energy vehicles. For the application of high-precision power resistors, it has been widely used. It is used in current sensors for electronic battery management BMS in new energy electric vehicles, hybrid electric vehicles and electric vehicles, as well as current sensing in busbars, current sensing in welding equipment and other fields.


Link: China Power Industry NetworkJunyuBaidu
Shenzhen Yezhan Electronics Co., Ltd.
+86-755-83727115