Actual value by tolerance
| Tolerance | Band | Minimum | Maximum |
|---|
| ±1% | Brown | 178.2 kΩ | 181.8 kΩ |
| ±2% | Red | 176.4 kΩ | 183.6 kΩ |
| ±5% | Gold | 171 kΩ | 189 kΩ |
| ±10% | Silver | 162 kΩ | 198 kΩ |
SMD and printed codes
| SMD, 3 digits | 184 |
|---|
| SMD, 4 digits | 1803 |
|---|
| SMD, EIA-96 | not used for this value |
|---|
| Letter code (IEC 60062) | 180K |
|---|
Current and power at common voltages
| Voltage | Current | Power | Resistor rating |
|---|
| 3.3 V | 18.3 µA | 60.5 µW | 1/8 W |
| 5 V | 27.8 µA | 139 µW | 1/8 W |
| 9 V | 50 µA | 450 µW | 1/8 W |
| 12 V | 66.7 µA | 800 µW | 1/8 W |
| 24 V | 133 µA | 3.2 mW | 1/8 W |
As an LED resistor
Current through one LED in series with 180 kΩ:
| Supply | Red LED (2.0 V) | White or blue LED (3.2 V) |
|---|
| 3.3 V | 0.00722 mA | 0.000556 mA |
| 5 V | 0.0167 mA | 0.01 mA |
| 12 V | 0.0556 mA | 0.0489 mA |
LED Resistor Calculator →
Standard series
180 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 180 kΩ resistor?
On a 4-band resistor: brown, grey, yellow, gold. On a 5-band resistor: brown, grey, black, orange, brown.
What is the SMD code for 180 kΩ?
184 on 3-digit resistors and 1803 on 4-digit (1%) resistors.
How much current flows through a 180 kΩ resistor at 5 V?
27.8 µA, dissipating 139 µW. A 1/8 W resistor is enough.
Which resistors get mixed up with 180 kΩ?
brown, grey, orange, gold is 18 kΩ and brown, grey, green, gold is 1.8 MΩ: only the third band changes, so check it carefully.
