Skip to content
Ohm Bands

SMD code 392 — 3.9 kΩ

A surface-mount resistor has no bands. This one is a three-digit marking: 39 × 10². Parts marked this way are usually ±5% or ±2%.

392

reads as

3.9 kΩ

The same part, in bands

The through-hole version of 3.9 kΩ carries 4 colour bands instead.

39×100±5%
Orange3White9Red×100Gold±5%

Everything about 3.9 kΩ — power ratings, what ten cost, what is in stock.

Same value, other markings

3.9 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 itDissipatedSmallest package that copes
5 V6.41 mW1/8 W
12 V36.9 mW1/8 W

What you can actually get

Parts made

186

at this value

Ten pieces

$0.15

not the reel price

Common packages

1206 · 0805 · 0603 · 0402

Codes you will mistake it for

One character apart from 392. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.