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Ohm Bands

SMD code 32H — 21 Ω

A surface-mount resistor has no bands. This one is an EIA-96 marking: code 32 is 2.1 in the E96 series, H multiplies by 10. Parts marked this way are usually ±1%.

32H

reads as

21 Ω

The same part, in bands

The through-hole version of 21 Ω carries 5 colour bands instead.

210×0.1±1%
Red2Brown1Black0Gold×0.1Brown±1%

Everything about 21 Ω — power ratings, what ten cost, what is in stock.

Same value, other markings

21 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 V1.19 W5 W
12 V6.86 Wno standard part — needs a power resistor or a heatsink

What you can actually get

Parts made

49

at this value

Ten pieces

$0.31

not the reel price

Common packages

0805 · 0603 · 0402 · 1206

Codes you will mistake it for

One character apart from 32H. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.