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Ohm Bands

SMD code 38F — 243 kΩ

A surface-mount resistor has no bands. This one is an EIA-96 marking: code 38 is 2.43 in the E96 series, F multiplies by 100000. Parts marked this way are usually ±1%.

38F

reads as

243 kΩ

The same part, in bands

The through-hole version of 243 kΩ carries 5 colour bands instead.

243×1k±1%
Red2Yellow4Orange3Orange×1kBrown±1%

Everything about 243 kΩ — power ratings, what ten cost, what is in stock.

Same value, other markings

243 kΩ 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 V103 µW1/8 W
12 V593 µW1/8 W

What you can actually get

Parts made

87

at this value

Ten pieces

$0.21

not the reel price

Common packages

0603 · 0805 · 1206 · 0402

Codes you will mistake it for

One character apart from 38F. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.