820 Ohm Resistor Color Code (820 Ω)
An 820 ohm (820 Ω) resistor is a standard E12/E24 decade component utilized in analog filters, LED ballasting at 15V to 18V supply rails, and bias networks.
- Nominal Value
- 820 Ω (820 Ohm)
- Standard Series
- E12, E24, E48, E96
- Acceptable Measurement Range
- 779 Ω to 861 Ω (at ±5%) | 811.8 Ω to 828.2 Ω (at ±1%)
- Typical Power
- 1/4 Watt (0.25 W) axial
- Max Working Voltage
- 250V (standard axial)
Resistor Color Code Calculator
Select band count and click colors below to calculate resistance and tolerance.
Select Band Colors
Click any swatch to change value
Reverse Resistor Color Code Lookup
Enter resistance value in Ohms (Ω) to determine the exact color bands.
Enter Target Resistance
Live ValidationCommon Questions About 820 Ohm Resistor Color Code (820 Ω)
What are the color stripes on an 820 ohm resistor?▼
For a 4-band 820 ohm resistor with 5% tolerance, the colors are Grey (8), Red (2), Brown (×10), and Gold (±5%). 82 × 10 = 820 Ω. For a 5-band 1% resistor, they are Grey, Red, Black, Black, and Brown.
Complete Resistor Color Code Chart
View the full 12-color lookup matrix covering significant figures 0–9, multipliers from 0.01 to 1G, and tolerance bands from ±0.05% to ±20%. Includes searchable values and instant CSV export.
How to Read & Calculate Resistor Bands
Learn step-by-step reading rules, standard E-series decade values (E12, E24, E96), memory mnemonics, and surface-mount (SMD) 3-digit and EIA-96 code conversion formulas.
Popular Resistor Color Code Guides & Calculators
Jump directly to pre-calculated stripe guides for common standard resistances or explore individual band systems.