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Ohm Bands

SMD code 395 — 3.9 MΩ

A surface-mount resistor has no bands. This one is a three-digit marking: 39 × 10⁵. Parts marked this way are usually ±5% or ±2%.

395

reads as

3.9 MΩ

The same part, in bands

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

39×100k±5%
Orange3White9Green×100,000Gold±5%

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

Same value, other markings

3.9 MΩ 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 µW1/8 W
12 V36.9 µW1/8 W

What you can actually get

Parts made

68

at this value

Ten pieces

$0.19

not the reel price

Common packages

1210 · 2512 · 1206 · 2010

Codes you will mistake it for

One character apart from 395. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.