Actual value by tolerance
| Tolerance | Band | Minimum | Maximum |
|---|
| ±1% | Brown | 326.7 Ω | 333.3 Ω |
| ±2% | Red | 323.4 Ω | 336.6 Ω |
| ±5% | Gold | 313.5 Ω | 346.5 Ω |
| ±10% | Silver | 297 Ω | 363 Ω |
SMD and printed codes
| SMD, 3 digits | 331 |
|---|
| SMD, 4 digits | 3300 |
|---|
| SMD, EIA-96 | not used for this value |
|---|
| Letter code (IEC 60062) | 330R |
|---|
Current and power at common voltages
| Voltage | Current | Power | Resistor rating |
|---|
| 3.3 V | 10 mA | 33 mW | 1/8 W |
| 5 V | 15.2 mA | 75.8 mW | 1/4 W |
| 9 V | 27.3 mA | 245 mW | 1/2 W |
| 12 V | 36.4 mA | 436 mW | 1 W |
| 24 V | 72.7 mA | 1.75 W | 5 W |
As an LED resistor
Current through one LED in series with 330 Ω:
| Supply | Red LED (2.0 V) | White or blue LED (3.2 V) |
|---|
| 3.3 V | 3.94 mA | 0.303 mA |
| 5 V | 9.09 mA | 5.45 mA |
| 12 V | 30.3 mA | 26.7 mA |
LED Resistor Calculator →
Standard series
330 Ω is a standard value in the E6, E12, E24 series, so it comes in almost every resistor kit.
Nearby values
Same first two colors, different multiplier:
Frequently asked questions
What are the colors of a 330 Ω resistor?
On a 4-band resistor: orange, orange, brown, gold. On a 5-band resistor: orange, orange, black, black, brown.
What is the SMD code for 330 Ω?
331 on 3-digit resistors and 3300 on 4-digit (1%) resistors.
How much current flows through a 330 Ω resistor at 5 V?
15.2 mA, dissipating 75.8 mW. A 1/4 W resistor is enough.
Which resistors get mixed up with 330 Ω?
orange, orange, black, gold is 33 Ω and orange, orange, red, gold is 3.3 kΩ: only the third band changes, so check it carefully.
