5W High Current Sense Solutions Open Air Low Ohmic Resistors
Features
1. 1-7watts
2. Tolerance ±5%,±2%and±1%
3. Low inductance
4. Excellent Solder ability
5. RoHS compliant
Description
Our Low Ohmic Resistors are designed for precise current sensing in high-power applications.Our 5W low ohmic open air current sense resistors are designed with precision-milled metal alloy (manganin or constantan) for highly stable and accurate current detection. These components offer ultra-low resistance values from 0.005Ω to 0.1Ω and are ideal for high-current, low-inductance applications.Each low ohmic resistor is designed to minimize heat and maximize reliability.”
Key Features of Low Ohmic Resistors
Power Rating: 5W continuous
Resistance: 10mΩ ±1% (custom values available)
Ultra-low inductance design
Open-air structure for improved heat dissipation
Flameproof, high-current durability
- Technical Specifications
| Item | Specification |
|---|---|
| Rated Power | 1–7 watts |
| Tolerance | ±5%, ±2%, and ±1% |
| L | Low inductance |
| Material | Manganin / Constantan / NiCr / Tinned Copper |
| Mounting Type | Open Air |
Dimension
| 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 | 5W-10F |
| Operating Temperature | -65℃ ~ 170℃ |
Applications for Low Ohmic Resistor Components
These resistors are ideal for high-reliability current sensing in:
🔌 Inverters and switching power supplies
⚙️ Industrial motor drives & HVAC compressors
🔋 Battery management systems (BMS)
🖥️ CPU drive control & power tools
🚗 Automotive electronics & energy feedback systems
