Actual value by tolerance
| Tolerance | Band | Minimum | Maximum |
|---|
| ±1% | Brown | 3.267 kΩ | 3.333 kΩ |
| ±2% | Red | 3.234 kΩ | 3.366 kΩ |
| ±5% | Gold | 3.135 kΩ | 3.465 kΩ |
| ±10% | Silver | 2.97 kΩ | 3.63 kΩ |
SMD and printed codes
| SMD, 3 digits | 332 |
|---|
| SMD, 4 digits | 3301 |
|---|
| SMD, EIA-96 | not used for this value |
|---|
| Letter code (IEC 60062) | 3K3 |
|---|
Current and power at common voltages
| Voltage | Current | Power | Resistor rating |
|---|
| 3.3 V | 1 mA | 3.3 mW | 1/8 W |
| 5 V | 1.52 mA | 7.58 mW | 1/8 W |
| 9 V | 2.73 mA | 24.5 mW | 1/8 W |
| 12 V | 3.64 mA | 43.6 mW | 1/8 W |
| 24 V | 7.27 mA | 175 mW | 1/2 W |
As an LED resistor
Current through one LED in series with 3.3 kΩ:
| Supply | Red LED (2.0 V) | White or blue LED (3.2 V) |
|---|
| 3.3 V | 0.394 mA | 0.0303 mA |
| 5 V | 0.909 mA | 0.545 mA |
| 12 V | 3.03 mA | 2.67 mA |
LED Resistor Calculator →
Standard series
3.3 kΩ 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 3.3 kΩ resistor?
On a 4-band resistor: orange, orange, red, gold. On a 5-band resistor: orange, orange, black, brown, brown.
What is the SMD code for 3.3 kΩ?
332 on 3-digit resistors and 3301 on 4-digit (1%) resistors.
How much current flows through a 3.3 kΩ resistor at 5 V?
1.52 mA, dissipating 7.58 mW. A 1/8 W resistor is enough.
Which resistors get mixed up with 3.3 kΩ?
orange, orange, brown, gold is 330 Ω and orange, orange, orange, gold is 33 kΩ: only the third band changes, so check it carefully.
