4.7kΩ Resistor

Standard pull-up resistor for I2C and digital interfaces

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

3-Band Configuration

1st2nd×

3-band: Yellow-Violet-Red

Yellow
Violet
Red

4-Band Configuration

1st2nd×±

4-band: Yellow-Violet-Red-Gold (±5%)

Yellow
Violet
Red
Gold

5-Band Configuration

1st2nd3rd×±

5-band: Yellow-Violet-Black-Red-Brown (±1%)

Yellow
Violet
Black
Red
Brown

6-Band Configuration

1st2nd3rd×±TC

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

Yellow
Violet
Black
Red
Brown
Brown
Practical Applications

I2C Pull-ups

Standard pull-up value for I2C SDA and SCL lines

Digital Interfaces

Pull-up resistors for various digital communication protocols

Microcontroller Circuits

Common in Arduino, Raspberry Pi, and other microcontroller projects

Sensor Interfaces

Pull-up resistors for digital sensors and switches

Detailed Information

The 4.7kΩ resistor has become the de facto standard for I2C pull-up resistors and is widely used in microcontroller interfaces. This value provides the optimal balance between signal integrity and power consumption for most I2C applications. It's also commonly used in other digital interface circuits and general-purpose applications where moderate pull-up strength is needed.

💡 Pro Tips

  • Standard for I2C pull-up resistors
  • Excellent for microcontroller projects
  • Good balance of signal integrity and power
  • Common in sensor interface circuits
Specifications
Resistance:
4.7
Tolerance:±5%, ±1%
Power Rating:0.25W, 0.5W
Temp. Coeff.:±100 ppm/°C
Voltage Rating:Up to 250V
Series:E12
Circuit Calculations
Current At5 V:
1.06mA
Power At5 V:
0.005W
I2c Pull Up Current:
~1mA

Why Choose 4.7 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