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Ohm Bands

24.9 Ω resistor colour code

Five bands: Red · Yellow · White · Gold · Brown. The first three give the digits — a precision value needs all three — then the multiplier, then how far off the real part may be.

249×0.1±1%
Red2Yellow4White9Gold×0.1Brown±1%

Nominal

24.9 Ω

24.9 ohms

Real range at ±1%

24.651 Ω – 25.149 Ω

A brown band allows this much drift.

Series

E96

A 1% precision value. Five bands, not four.


Band by band

BandColourMeaning
1Red1st digit — 2
2Yellow2nd digit — 4
3White3rd digit — 9
4GoldMultiplier — ×0.1
5BrownTolerance — ±1%

How much it can take

Current and dissipation across the resistor, and the package you need. The suggested rating keeps a factor of two in hand, which is what anyone building a board actually does.

Across itCurrentDissipatedPackage to pick
3.3 V133 mA437 mW1 W
5 V201 mA1 W5 W
12 V482 mA5.78 Wno standard part — needs a power resistor or a heatsink
24 V964 mA23.1 Wno standard part — needs a power resistor or a heatsink

What you can actually get

Parts made

69

558th most of 1,465 values

In stock

0

across 0 of them

Cheapest at 100

$0.0065

each

Tolerances sold

±0.1% to ±1%

4 grades in all

Packages: 0805, 0603, 1206, 0402, 2512, 1210, 0201, 2010. Ratings: 30mW to 2W.

What ten of them actually cost

The price everyone quotes is the reel price. If you want ten, you cannot buy the reel — and the real figure is usually several times higher per piece.

Ten pieces

$0.15

$0.015 each · Cut Tape (CT) · minimum order 1

The reel price

$0.00127

each, but only from 100,000 pieces up

Sitting in stock

2,083,001

across 13 part numbers

Per piece, ten costs 11.8× the reel price. That gap is why a handful of resistors never costs what the headline price suggests.

Stocked in ±0.01% and ±1%, rated 1/20 W to 1/4 W.

Cheapest part you can buy ten of: CR0402-FX-24R9GLF by Bourns Inc. — see it at Digi-Key.

Assembly stock from the JLCPCB library, read 2026-09-24. Retail prices and stock from Digi-Key, read 2026-09-24. Prices move — check the product page before ordering. That is what a board house will place for you — not everything a distributor sells.

The same value, marked differently

Surface mount

250· three-digit, nearest only

24R9· four-digit, precision parts

39H· EIA-96, for the smallest parts

Three digits carry two significant figures, so they cannot write 24.9 Ω — 250 means 25 Ω. A part at this value is marked 24R9.

If you only have E24

RedYellowBlackGold

24 Ω is the nearest four-band value — -3.6% off.

Values that can overlap this one

At ±1% the tolerance bands of neighbouring values run into each other. A part sold as one of these could measure the same as a 24.9 Ω — which is why measuring beats reading when it matters.

If you do not have one

Standard values that land within 1% of 24.9 Ω when combined.