SMD code 2770 — 277 Ω
A surface-mount resistor has no bands. This one is a four-digit marking: 277 × 10⁰. Parts marked this way are usually ±1% or tighter.
2770
reads as
277 Ω
How much it can take
| Across it | Dissipated | Smallest package that copes |
|---|---|---|
| 5 V | 90.3 mW | 1/4 W |
| 12 V | 520 mW | 2 W |
What you can actually get
Parts made
1
at this value
Common packages
1206
Codes you will mistake it for
One character apart from 2770. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.