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Ohm Bands

SMD code 05A — 1.1 Ω

A surface-mount resistor has no bands. This one is an EIA-96 marking: code 5 is 1.1 in the E96 series, A multiplies by 1. Parts marked this way are usually ±1%.

05A

reads as

1.1 Ω

The same part, in bands

The through-hole version of 1.1 Ω carries 4 colour bands instead.

11×0.1±5%
Brown1Brown1Gold×0.1Gold±5%

Everything about 1.1 Ω — power ratings, what ten cost, what is in stock.

Same value, other markings

1.1 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 V22.7 Wno standard part — needs a power resistor or a heatsink
12 V131 Wno standard part — needs a power resistor or a heatsink

What you can actually get

Parts made

102

at this value

Common packages

0805 · 0603 · 1206 · 0402

Codes you will mistake it for

One character apart from 05A. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.