SMD code 4220 — 422 Ω
A surface-mount resistor has no bands. This one is a four-digit marking: 422 × 10⁰. Parts marked this way are usually ±1% or tighter.
4220
reads as
422 Ω
The same part, in bands
The through-hole version of 422 Ω carries 5 colour bands instead.
Everything about 422 Ω — power ratings, what ten cost, what is in stock.
Same value, other markings
422 Ω is printed several ways depending on the part's precision and size. A board can carry all of them at once.
How much it can take
| Across it | Dissipated | Smallest package that copes |
|---|---|---|
| 5 V | 59.2 mW | 1/8 W |
| 12 V | 341 mW | 1 W |
What you can actually get
Parts made
95
at this value
Ten pieces
$0.25
not the reel price
Common packages
0805 · 0603 · 1206 · 0402
Codes you will mistake it for
One character apart from 4220. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.