SMD code 57A — 3.83 Ω
A surface-mount resistor has no bands. This one is an EIA-96 marking: code 57 is 3.83 in the E96 series, A multiplies by 1. Parts marked this way are usually ±1%.
57A
reads as
3.83 Ω
The same part, in bands
The through-hole version of 3.83 Ω carries 5 colour bands instead.
Everything about 3.83 Ω — power ratings, what ten cost, what is in stock.
How much it can take
| Across it | Dissipated | Smallest package that copes |
|---|---|---|
| 5 V | 6.53 W | no standard part — needs a power resistor or a heatsink |
| 12 V | 37.6 W | no standard part — needs a power resistor or a heatsink |
What you can actually get
Parts made
16
at this value
Ten pieces
$0.26
not the reel price
Common packages
1206 · 2512 · 1210 · 0603
Codes you will mistake it for
One character apart from 57A. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.