1MΩ Resistor

Megohm resistor for ultra-high impedance and precision applications

E12 Series
±5%, ±1% Tolerance
0.25W, 0.5W Power
Color Code Configurations

3-Band Configuration

1st2nd×

3-band: Brown-Black-Green

Brown
Black
Green

4-Band Configuration

1st2nd×±

4-band: Brown-Black-Green-Gold (±5%)

Brown
Black
Green
Gold

5-Band Configuration

1st2nd3rd×±

5-band: Brown-Black-Black-Green-Brown (±1%)

Brown
Black
Black
Green
Brown

6-Band Configuration

1st2nd3rd×±TC

6-band: Brown-Black-Black-Green-Brown-Brown (±1%, 100ppm/°C)

Brown
Black
Black
Green
Brown
Brown
Practical Applications

Ultra-high Impedance

Highest impedance applications in precision circuits

Precision Instruments

Professional-grade measurement and calibration equipment

Low-leakage Circuits

Circuits requiring minimal leakage current

High-voltage Applications

Voltage dividers in high-voltage measurement circuits

Detailed Information

The 1MΩ (1 megohm) resistor represents the pinnacle of high-resistance values in common electronic applications. It provides ultra-high impedance with virtually no current flow, making it perfect for precision instruments, ultra-low power circuits, and applications where any current flow could compromise circuit operation. It's also used in specialized timing circuits and high-voltage applications.

💡 Pro Tips

  • Ultimate high-impedance applications
  • Used in precision test equipment
  • Excellent for high-voltage dividers
  • Minimal power consumption
Specifications
Resistance:
1
Tolerance:±5%, ±1%
Power Rating:0.25W, 0.5W
Temp. Coeff.:±100 ppm/°C
Voltage Rating:Up to 500V
Series:E12
Circuit Calculations
Current At5 V:
0.005mA
Power At5 V:
0.000025W
Input Impedance:
1MΩ

Why Choose 1 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