Metal Strip Shunt Resistor with 75A U-Shaped Manganin Alloy Element
Description
Overview
75A High-Precision Metal Strip Shunt Resistor
A metal strip shunt resistor is designed for accurate DC current sensing in high-power applications. Featuring a U-shaped manganin alloy element, it provides excellent thermal stability, low temperature coefficient (TCR), and reliable voltage drop measurement under continuous current loads.
Designed for power electronics, inverters, battery systems, and industrial control equipment, this high-current shunt resistor delivers stable performance with customizable resistance values and current ratings available.
Product Features of Metal Strip Shunt Resistor
- High-Precision Current Measurement
Provides accurate voltage drop sensing for DC current monitoring applications. - Manganin Alloy Construction
Ensures excellent thermal stability and low resistance drift during continuous operation. - Low Temperature Coefficient (TCR)
TCR as low as ±50 ppm/°C helps maintain measurement accuracy across temperature variations. - High Overload Capability
Designed to withstand demanding current conditions in power electronics and industrial systems. - Low-Inductance Metal Strip Design
Suitable for fast current response applications requiring stable electrical performance. - Custom Resistance and Current Ratings Available
Supports different current ranges, resistance values, and terminal configurations.
Product size of Metal Strip Shunt Resistor
| Model | W (mm) | H (mm) | D (mm) | D1 (mm) | A (mm) | B (mm) | B1 (mm) | L (mm) | Note |
|---|---|---|---|---|---|---|---|---|---|
| 10A-50mV | 6.5±0.5 | 30±2 | 1±0.2 | 1±0.2 | 4.5±2 | 18±0.3 | 6±0.5 | 3.5±0.5 | custom |
| 20A-40mV | 10±0.5 | 24±2 | 1±0.2 | / | 9±2 | 12±0.3 | / | 3.0±0.5 | without terminal |
| 20A-50mV | 6.5±0.5 | 30±2 | 1±0.2 | 1±0.2 | 9±2 | 18±0.3 | 6±0.5 | 3.5±0.5 | custom |
| 20A-50mV | 6.5±0.5 | 27±2 | 0.5±0.2 | 1.3±0.2 | 17±2 | 18±0.3 | 6±0.5 | 3.5±0.5 | custom |
| 30A-75mV | 10±0.5 | 29±2 | 1±0.2 | 1±0.2 | 9±2 | 18±0.3 | 6±0.5 | 3.5±0.5 | custom |
| 30A-90mV | 10±0.5 | 24±2 | 1±0.2 | / | 6±2 | 12±0.3 | / | 3±0.5 | without terminal |
| 33A-50mV | 9±0.5 | 17.5±2 | 1.5±0.2 | 1.3±0.2 | 5.4±0.3 | 5.4±0.3 | / | 3±0.5 | custom |
| 45A-33.75mV | 9±0.5 | 21.5±2 | 2±0.2 | / | 9.5±2 | 10.7±0.3 | / | 4±0.5 | without terminal |
| 50A-50mV | 9±0.5 | 21.5±2 | 1.5±0.2 | 1.5±0.2 | 10±2 | 18±0.3 | 6±0.5 | 3.5±0.5 | regular item |
| 60A-50mV | 6.5±0.5 | 27±2 | 1.5±0.2 | 1.3±0.2 | 14.5±2 | 18±0.3 | 6±0.5 | 3.2±0.5 | regular item |
| 65A-50mV | 7±0.5 | 27±2 | 1.5±0.2 | 1.3±0.2 | 16.7±2 | 18±0.3 | 6±0.5 | 3.2±0.5 | regular item |
| 65A-32.5mV | 7±0.5 | 17±2 | 1.5±0.2 | 1.3±0.2 | 14.5±2 | 18±0.3 | 6±0.5 | 3.2±0.5 | regular item (small) |
| 75A-30mV | 7.7±0.5 | 27±2 | 2±0.2 | 1.3±0.2 | 22±1 | 22±0.3 | 8±0.5 | 3.2±0.5 | regular item |
| 75A-50mV | 6.3±0.5 | 23±2 | 1.5±0.2 | 1.5±0.2 | 15±2 | 18±0.3 | 6±0.5 | 3.2±0.5 | without terminal |
| 75A-50mV | 7.7±0.5 | 21.7±2 | 1.5±0.2 | 1.5±0.2 | 14±2 | 18±0.3 | 6±0.5 | 3.2±0.5 | regular item (small) |
Applications of Metal Strip Shunt Resistor
- Battery Management Systems (BMS)
Provides accurate current monitoring for battery charging and discharging control. - Power Electronics and Inverters
Enables reliable current measurement in DC power conversion systems. - Industrial Motor Control
Supports current feedback and protection functions in automation equipment. - Energy Storage and Smart Metering Systems
Provides stable current sensing for energy monitoring applications. - DC Power Supplies
Suitable for high-current measurement in compact power designs.
Typically used in EV battery systems, solar inverters, and smart energy meters, this compact shunt helps designers optimize circuit layout without sacrificing measurement accuracy.
Key Advantages of Metal Strip Shunt Resistor
High-Accuracy DC Current Measurement
Designed for precise current sensing by providing a stable voltage drop in high-current DC circuits.
Manganin Alloy Shunt Element
Uses a manganin alloy metal strip design to provide excellent conductivity, low resistance drift, and long-term stability.
Excellent Thermal Stability
Maintains stable resistance performance under temperature variations and continuous current operation.
Low Temperature Coefficient (TCR)
Minimizes resistance variation caused by temperature changes, improving measurement accuracy.
High Current Capability
Supports reliable operation under high-current conditions with consistent voltage drop performance.
FAQ
What is a Metal Strip Shunt Resistor?
A metal strip shunt resistor is a precision current sensing component that measures current by generating a small and stable voltage drop across a low-resistance metal alloy element.
Why is manganin alloy used in shunt resistors?
Manganin alloy provides low temperature coefficient (TCR), excellent resistance stability, and reliable accuracy under temperature variations, making it suitable for precision current measurement.
How do I select the right shunt resistor?
Selection depends on rated current, resistance value, voltage drop, accuracy requirement, power dissipation, TCR, and mounting requirements.
Can the current rating and resistance value be customized?
Yes. Custom current ratings, resistance values, terminal designs, and mechanical dimensions are available according to different application requirements.
