Vehicle grade precision manganese copper shunt is a high-precision current detection component designed specifically for automotive electronic systems. It has low temperature drift, high stability, and high power characteristics, and is suitable for scenarios such as new energy vehicles and BMS battery management systems.

Core parameters

Resistance range: usually 50 μ Ω -250 μ Ω (such as 8518 model)

Accuracy level: ± 0.5% (some models can reach ± 0.2%)

Temperature coefficient: ≤ 10ppm/℃ (-55 ℃~125 ℃)

Rated power: 36W (e.g. 75mV/100A model)

Typical application scenarios

New energy vehicle charging station, battery management system (BMS)

High current detection in the military/aerospace field

Market supply situation

Main suppliers: enterprises in Shenzhen, Zhejiang and other places (such as Shenzhen Haoou Electronics, Zhejiang Yuanjin Electronics)

Common models:

8518 series (50 μ Ω -250 μ Ω, automotive grade)

FL-2 series (75mV/10-50A, National Standard Class A)

Price range: ¥ 10- ¥ 1000 (depending on specifications and power)

Technical Features

Manganese copper alloy material: low temperature coefficient of resistance (PTC characteristic)

Structural design: Insulation sleeve and elastic plate are isolated to avoid thermal interference

Dynamic response: Step response time ≤ 50 μ s