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Ohm Bands

SMD code 3000 — 300 Ω

A surface-mount resistor has no bands. This one is a four-digit marking: 300 × 10⁰. Parts marked this way are usually ±1% or tighter.

3000

reads as

300 Ω

The same part, in bands

The through-hole version of 300 Ω carries 4 colour bands instead.

30×10±5%
Orange3Black0Brown×10Gold±5%

Everything about 300 Ω — power ratings, what ten cost, what is in stock.

Same value, other markings

300 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 itDissipatedSmallest package that copes
5 V83.3 mW1/4 W
12 V480 mW1 W

What you can actually get

Parts made

177

at this value

Common packages

0805 · 1206 · 0603 · 0402

Codes you will mistake it for

One character apart from 3000. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.