A shunt resistor (R2) is a precision electrical component used in voltage divider networks to measure current by creating a known voltage drop proportional to the current flow.
A shunt resistor (R2) is a low-resistance precision resistor designed to be connected in parallel (shunt) with a load or circuit element in a voltage divider configuration. It creates a measurable voltage drop (V = I × R) when current flows through it, allowing indirect current measurement without interrupting the circuit. In industrial voltage divider networks, R2 works with series resistor R1 to scale down high voltages to measurable levels for monitoring, protection, or control systems. These components feature high accuracy, low temperature coefficient, and excellent long-term stability for reliable operation in harsh industrial environments.
诱因 → 失效模式 → 工程缓解
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R2 determines the output voltage ratio and enables current sensing by creating a known voltage drop proportional to current flow.
Choose based on maximum current (to limit voltage drop), power dissipation requirements, and desired measurement resolution while maintaining circuit safety.
Manganin alloy provides extremely low temperature coefficient of resistance (TCR), ensuring stable performance across temperature variations.
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