Actual value by tolerance
| Tolerance | Band | Minimum | Maximum |
| ±1% | Brown | 673.2 kΩ | 686.8 kΩ |
| ±2% | Red | 666.4 kΩ | 693.6 kΩ |
| ±5% | Gold | 646 kΩ | 714 kΩ |
| ±10% | Silver | 612 kΩ | 748 kΩ |
SMD and printed codes
| SMD, 3 digits | 684 |
| SMD, 4 digits | 6803 |
| SMD, EIA-96 | not used for this value |
| Letter code (IEC 60062) | 680K |
Current and power at common voltages
| Voltage | Current | Power | Resistor rating |
| 3.3 V | 4.85 µA | 16 µW | 1/8 W |
| 5 V | 7.35 µA | 36.8 µW | 1/8 W |
| 9 V | 13.2 µA | 119 µW | 1/8 W |
| 12 V | 17.6 µA | 212 µW | 1/8 W |
| 24 V | 35.3 µA | 847 µW | 1/8 W |
As an LED resistor
Current through one LED in series with 680 kΩ:
| Supply | Red LED (2.0 V) | White or blue LED (3.2 V) |
| 3.3 V | 0.00191 mA | 0.000147 mA |
| 5 V | 0.00441 mA | 0.00265 mA |
| 12 V | 0.0147 mA | 0.0129 mA |
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Standard series
680 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 680 kΩ resistor?
On a 4-band resistor: blue, grey, yellow, gold. On a 5-band resistor: blue, grey, black, orange, brown.
What is the SMD code for 680 kΩ?
684 on 3-digit resistors and 6803 on 4-digit (1%) resistors.
How much current flows through a 680 kΩ resistor at 5 V?
7.35 µA, dissipating 36.8 µW. A 1/8 W resistor is enough.
Which resistors get mixed up with 680 kΩ?
blue, grey, orange, gold is 68 kΩ and blue, grey, green, gold is 6.8 MΩ: only the third band changes, so check it carefully.