Actual value by tolerance
| Tolerance | Band | Minimum | Maximum |
|---|
| ±1% | Brown | 38.61 kΩ | 39.39 kΩ |
| ±2% | Red | 38.22 kΩ | 39.78 kΩ |
| ±5% | Gold | 37.05 kΩ | 40.95 kΩ |
| ±10% | Silver | 35.1 kΩ | 42.9 kΩ |
SMD and printed codes
| SMD, 3 digits | 393 |
|---|
| SMD, 4 digits | 3902 |
|---|
| SMD, EIA-96 | not used for this value |
|---|
| Letter code (IEC 60062) | 39K |
|---|
Current and power at common voltages
| Voltage | Current | Power | Resistor rating |
|---|
| 3.3 V | 84.6 µA | 279 µW | 1/8 W |
| 5 V | 128 µA | 641 µW | 1/8 W |
| 9 V | 231 µA | 2.08 mW | 1/8 W |
| 12 V | 308 µA | 3.69 mW | 1/8 W |
| 24 V | 615 µA | 14.8 mW | 1/8 W |
As an LED resistor
Current through one LED in series with 39 kΩ:
| Supply | Red LED (2.0 V) | White or blue LED (3.2 V) |
|---|
| 3.3 V | 0.0333 mA | 0.00256 mA |
| 5 V | 0.0769 mA | 0.0462 mA |
| 12 V | 0.256 mA | 0.226 mA |
LED Resistor Calculator →
Standard series
39 kΩ is a standard value in the 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 39 kΩ resistor?
On a 4-band resistor: orange, white, orange, gold. On a 5-band resistor: orange, white, black, red, brown.
What is the SMD code for 39 kΩ?
393 on 3-digit resistors and 3902 on 4-digit (1%) resistors.
How much current flows through a 39 kΩ resistor at 5 V?
128 µA, dissipating 641 µW. A 1/8 W resistor is enough.
Which resistors get mixed up with 39 kΩ?
orange, white, red, gold is 3.9 kΩ and orange, white, yellow, gold is 390 kΩ: only the third band changes, so check it carefully.
