What are the characteristics of Alloy Chip Resistance

The resistance value of Alloy Chip Resistance is usually very small (mΩ or μΩ level), mainly to detect the current, usually connected in series in the sampling circuit, by collecting the voltage drop at both ends of the alloy resistance, and then analyzing and processing to complete the current detection , to achieve circuit feedback, over-current detection, current control and other functions.

• What are the materials and applications of Alloy Chip Resistance?

• What does Alloy Chip Resistance do?

• What are the characteristics of Alloy Chip Resistance?

What are the materials and applications of Alloy Chip Resistance?

The material of Alloy Chip Resistance is mainly copper alloy. At present, the mainstream alloy materials include manganese-copper alloy, constantan alloy, nickel-chromium alloy, Karma alloy, iron-chromium-aluminum alloy, etc. According to the characteristics of different alloys (resistivity, temperature drift, Stability, etc.) can develop and produce various low-resistance alloys with different properties.

Alloy Chip Resistance is based on the advantages of materials and the improvement of material processing technology. Alloy resistors have the characteristics of low resistance, high power, high precision, low TCR, and high stability. They are widely used in white goods, consumer electronics, power industrial control, instrumentation, automotive electronics, Photovoltaic energy storage and other fields have great application requirements.

What does Alloy Chip Resistance do?

The function of Alloy Chip Resistance is used as a reference. It is often used in feedback circuits. Taking the regulated power supply circuit as an example, in order to keep the output voltage constant, a part of the voltage should be taken as a reference from the output voltage (commonly used in the form of a sampling resistor). If the output is high, the input terminal will automatically reduce the voltage to reduce the output; if the output is low, the input terminal will automatically increase the voltage to increase the output. It is generally used in power supply products, or the power supply part of electronic, digital, and electromechanical products, with powerful functions. Sampling resistors are often seen in many electronic products.

What are the characteristics of Alloy Chip Resistance?

Generally, if the resistance value of Alloy Chip Resistance is less than 1 ohm, it is a milliohm-level sensing resistor, but some resistors, sampling voltage and other requirements must choose a resistor with a large resistance value, but this kind of resistor has a large base and a large error. In this case, it is necessary to choose a high-precision non-inductive resistor (which can reach 0.01% accuracy, that is, one ten-thousandth accuracy), so that the sampling data is very reliable. Ultra-low resistance value resistors (0.0005 ohms, 2 milliohms, 3 milliohms, 10 milliohms, etc.), chip alloy resistors, high-power resistors (20W, 30W, 35W, 50W, 100W) and other products of sampling resistors, temperature coefficient It is plus or minus 5PPM/℃.

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