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The material selection of shunt resistors directly determines their measurement accuracy, temperature stability, and applicable scenarios. By analyzing the characteristics and technological evolution of different materials, they can be divided into the following categories:
As the core component of current sampling and measurement, the installation method of shunt resistor directly determines the measurement accuracy, heat dissipation performance, and system reliability. From laboratory precision measurement to industrial high current monitoring, the installation form of shunt has undergone an evolution from "universalization" to "scenarization". The following is a systematic review of the main installation methods for shunt resistors:
Shunt Resistors are mainly used for current detection, and their core requirements are low resistance, high precision, low temperature drift, and the ability to withstand large currents without causing accuracy degradation or damage due to excessive temperature rise. Therefore, the primary considerations for its packaging design are current carrying capacity, heat dissipation efficiency, and low parasitic inductance. The common packaging forms mainly include the following categories:
Diverter resistors and alloy resistors have some overlap in materials, design purposes, and core characteristics, but they are not completely equivalent concepts. Here are their differences and connections:
Diverter resistors and alloy resistors each have their unique advantages and applicable scenarios, and it is not easy to simply say which one is better, but rather to choose according to specific application needs. The following is a detailed comparison and selection suggestion for both:
The core parameters of shunt resistors mainly include the following categories:
A shunt resistor is a low resistance resistor specifically designed for precise measurement of current. Its core function is to indirectly calculate the current value by measuring the small voltage drop generated when the current flows through it (following Ohm's law \ (V=I \ times R \)). The following are its key features and design details:
As a key current detection component, shunt resistors are widely used in fields such as power electronics, industrial equipment, and new energy vehicles. Its core advantages are reflected in the following aspects:
Diverter resistor is a special type of resistance device mainly used for measuring high currents. It measures and monitors the current by parallel connection in the circuit, allowing most of the current to flow through the shunt. The following are the main characteristics of shunt resistors:
The following is a comprehensive review of the main manufacturers of shunt resistors, summarized based on their technological advantages, product features, and market position:
