Low Ohmic Open-Air Manganin Current Shunt Resistor
Features
1. 1-7watts
2. Tolerance ±5%,±2%and±1%
3. Low inductance
4. Excellent Solder ability
5. RoHS compliant
Description
Open Air Low Ohmic Manganin Current Sense Resistors | High Power Shunt for Precision Measurement
Our Open-Air Low Ohmic Metal Alloy Current Sense Resistors are designed for precision current measurement in high-power applications. With resistance values ranging from 0.005Ω to 0.1Ω, and supported by manganese-based shunt material, these resistors provide high stability, low inductance, and superior heat dissipation thanks to their elevated open-frame design.
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Manganin alloy core: Excellent temperature stability and low TCR
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✅ Open-air structure: Enhanced air circulation and thermal performance
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✅ Compact footprint: Ideal for PCBs with limited space
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✅ High current handling: Up to 100A or more
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✅ Low inductance design: Ideal for fast-switching power systems
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Technical Specifications
| Item | Specification |
|---|---|
| Rated Power | 1-7watts |
| Tolerance | ±5%,±2%and±1% |
| L | Low inductance |
| Material | Manganese Copper/Constantan Nicr /Tinned copper |
| Mounting Type | Open Air |
| Parameter | Specification |
|---|---|
| A | 4.5mm ± 0.5mm |
| H | 13mm ± 2.0mm |
| W | 10mm ± 0.5mm |
| C | 3.3mm ± 0.2mm |
| D | 1.1mm ± 0.1mm |
| L | 1.0mm ± 0.1mm |
| Resistance Value | 10mΩ ± 1% |
| Rated Power | 5W |
| Marking | 5W10F |
| Operating Temperature | -65℃ ~ 170℃ |
Performance Data
Applications
These resistors are ideal for high-reliability current sensing in:
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🔌 Inverters and switching power supplies
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⚙️ Industrial motor drives & HVAC compressors
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🔋 Battery management systems (BMS)
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🖥️ CPU drive control & power tools
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🚗 Automotive electronics & energy feedback systems
Why Choose us?
With years of experience in high-power resistor manufacturing, we offer custom mounting options, strict quality control, and fast lead times. Our shunts are trusted by global clients, including those in Germany’s top HVAC and motor control companies
