2.2kΩ Resistor
Excellent for transistor biasing and signal processing circuits
E12 Series
±5%, ±1% Tolerance
0.25W, 0.5W Power
Color Code Configurations
3-Band Configuration
3-band: Red-Red-Red
Red
Red
Red
4-Band Configuration
4-band: Red-Red-Red-Gold (±5%)
Red
Red
Red
Gold
5-Band Configuration
5-band: Red-Red-Black-Red-Brown (±1%)
Red
Red
Black
Red
Brown
6-Band Configuration
6-band: Red-Red-Black-Red-Brown-Brown (±1%, 100ppm/°C)
Red
Red
Black
Red
Brown
Brown
Practical Applications
Transistor Biasing
Sets proper operating points in amplifier circuits
Op-amp Circuits
Feedback and gain-setting resistor in operational amplifier circuits
Signal Processing
Used in filters and signal conditioning circuits
Analog Circuits
Common in precision analog and audio applications
Detailed Information
The 2.2kΩ resistor is a precision value commonly used in analog circuits, particularly for transistor biasing and operational amplifier circuits. Its value provides good current limiting while maintaining reasonable signal levels, making it ideal for small-signal applications and precision analog designs.
💡 Pro Tips
- •Excellent for analog circuit design
- •Common in audio applications
- •Good for precision biasing circuits
- •Often used in op-amp feedback networks
Why Choose 2.2kΩ 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