SMD code 4991 — 4.99 kΩ
A surface-mount resistor has no bands. This one is a four-digit marking: 499 × 10¹. Parts marked this way are usually ±1% or tighter.
4991
reads as
4.99 kΩ
The same part, in bands
The through-hole version of 4.99 kΩ carries 5 colour bands instead.
Everything about 4.99 kΩ — power ratings, what ten cost, what is in stock.
Same value, other markings
4.99 kΩ 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 | 5.01 mW | 1/8 W |
| 12 V | 28.9 mW | 1/8 W |
What you can actually get
Parts made
129
at this value
Ten pieces
$0.10
not the reel price
Common packages
0805 · 0603 · 1206 · 0402
Codes you will mistake it for
One character apart from 4991. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.