M type Manganin Copper Milliohm Sampling Shunt Open Air Resistor

Manganin copper milliohm sampling shunt resistors are precision resistors commonly used in a variety of applications due to their low temperature coefficient and stable electrical performance. Here's a comprehensive overview of their features, specifications, and applications:

Features:

1. Material Composition:
   - Made of Manganin (Cu-Mn-Cu alloy), which provides excellent stability and low temperature coefficients.

2. Low Resistance Values:
   - Typically available in milliohm range values (e.g., 1 mΩ to 100 mΩ) to accurately measure small currents.

3. High Thermal Stability:
   - Maintains resistance value over a range of temperatures due to low thermal EMF and a high degree of stability.

4. High Current Capacity:
   - Designed to handle high currents with low voltage drop, making them suitable for current sensing applications.

5. Low Noise:
   - Provides low electrical noise and interference, which is crucial for precision measurements.

6. Open Air Configuration:
   - Often designed for open-air applications, allowing for better thermal management and easier integration in various setups.

7. Wattage Ratings:
   - Available in various power ratings, allowing them to handle different levels of power dissipations (often in the range of 1W to 10W or more).

Specifications:

- Type: Manganin Copper Milliohm Resistor
- Resistance Range: 1 mΩ to 100 mΩ
- Tolerance: Typically ±0.1% to ±1%
- Temperature Coefficient: 10 ppm/°C to 20 ppm/°C
- Power Rating: 1W, 2W, 5W, or higher based on the application
- Dimensions: Varies depending on the specific shunt design
- Mounting Type: Surface mount or through-hole types are available, depending on design.

Conclusion

Manganin copper milliohm sampling shunt resistors are essential components in modern electronic systems that require accurate current measurement and precise control. Their combination of low resistance values, high stability, and robustness makes them suitable for various demanding applications across multiple industries.

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