1 Ohm Resistor
Ultra-low resistance resistor primarily used for current sensing and power applications
3-Band Configuration
3-band: Brown-Black-Gold
4-Band Configuration
4-band: Brown-Black-Gold-Gold (±5%)
5-Band Configuration
5-band: Brown-Black-Black-Gold-Brown (±1%)
6-Band Configuration
6-band: Brown-Black-Black-Gold-Brown-Brown (±1%, 100ppm/°C)
Current Sensing
Used as shunt resistors to measure current flow in power supplies and battery chargers
Power Supply Protection
Provides overcurrent protection in switching power supplies
Motor Control
Current feedback in motor drive circuits for precise speed control
Battery Management
Current monitoring in battery charging and discharging circuits
The 1 ohm resistor is a precision, low-resistance component essential for current sensing applications. With its ultra-low resistance value, it allows for accurate current measurement while minimizing power loss. These resistors are commonly manufactured with tight tolerances and high power ratings to handle the significant current flow in power supply circuits, motor control systems, and battery management applications.
💡 Pro Tips
- •Always check power rating - 1Ω resistors often carry high currents
- •Use precision types (±1%) for accurate current sensing
- •Consider thermal management due to high power dissipation
- •Wire-wound types offer better power handling than carbon film
Why Choose 1Ω Resistors?
Key Benefits
- ✓Standard E12 series value for universal compatibility
- ✓Available in multiple tolerance and power ratings
- ✓Cost-effective and widely available
- ✓Suitable for both hobbyist and professional applications
Technical Advantages
- •Stable performance across temperature ranges
- •Low noise characteristics for sensitive circuits
- •Multiple package sizes available
- •Compatible with automated assembly processes