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Ohm Bands

SMD code 3R65 — 3.65 Ω

A surface-mount resistor has no bands. This one is a four-digit marking: the R is the decimal point — 3.65 Ω. Parts marked this way are usually ±1% or tighter.

3R65

reads as

3.65 Ω

The same part, in bands

The through-hole version of 3.65 Ω carries 5 colour bands instead.

365×0.01±1%
Orange3Blue6Green5Silver×0.01Brown±1%

Everything about 3.65 Ω — power ratings, what ten cost, what is in stock.

Same value, other markings

3.65 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 V6.85 Wno standard part — needs a power resistor or a heatsink
12 V39.5 Wno standard part — needs a power resistor or a heatsink

What you can actually get

Parts made

14

at this value

Ten pieces

$0.40

not the reel price

Common packages

1210 · 2512 · 0402 · 0805

Codes you will mistake it for

One character apart from 3R65. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.