SMD code 2581 — 2.58 kΩ
A surface-mount resistor has no bands. This one is a four-digit marking: 258 × 10¹. Parts marked this way are usually ±1% or tighter.
2581
reads as
2.58 kΩ
How much it can take
| Across it | Dissipated | Smallest package that copes |
|---|---|---|
| 5 V | 9.69 mW | 1/8 W |
| 12 V | 55.8 mW | 1/8 W |
What you can actually get
Parts made
1
at this value
Common packages
0805
Codes you will mistake it for
One character apart from 2581. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.