Actual value by tolerance
| Tolerance | Band | Minimum | Maximum |
|---|
| ±1% | Brown | 32.67 kΩ | 33.33 kΩ |
| ±2% | Red | 32.34 kΩ | 33.66 kΩ |
| ±5% | Gold | 31.35 kΩ | 34.65 kΩ |
| ±10% | Silver | 29.7 kΩ | 36.3 kΩ |
SMD and printed codes
| SMD, 3 digits | 333 |
|---|
| SMD, 4 digits | 3302 |
|---|
| SMD, EIA-96 | not used for this value |
|---|
| Letter code (IEC 60062) | 33K |
|---|
Current and power at common voltages
| Voltage | Current | Power | Resistor rating |
|---|
| 3.3 V | 100 µA | 330 µW | 1/8 W |
| 5 V | 152 µA | 758 µW | 1/8 W |
| 9 V | 273 µA | 2.45 mW | 1/8 W |
| 12 V | 364 µA | 4.36 mW | 1/8 W |
| 24 V | 727 µA | 17.5 mW | 1/8 W |
As an LED resistor
Current through one LED in series with 33 kΩ:
| Supply | Red LED (2.0 V) | White or blue LED (3.2 V) |
|---|
| 3.3 V | 0.0394 mA | 0.00303 mA |
| 5 V | 0.0909 mA | 0.0545 mA |
| 12 V | 0.303 mA | 0.267 mA |
LED Resistor Calculator →
Standard series
33 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 33 kΩ resistor?
On a 4-band resistor: orange, orange, orange, gold. On a 5-band resistor: orange, orange, black, red, brown.
What is the SMD code for 33 kΩ?
333 on 3-digit resistors and 3302 on 4-digit (1%) resistors.
How much current flows through a 33 kΩ resistor at 5 V?
152 µA, dissipating 758 µW. A 1/8 W resistor is enough.
Which resistors get mixed up with 33 kΩ?
orange, orange, red, gold is 3.3 kΩ and orange, orange, yellow, gold is 330 kΩ: only the third band changes, so check it carefully.
