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Ohm Bands

8.45 Ω resistor colour code

Five bands: Grey · Yellow · Green · Silver · 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.

845×0.01±1%
Grey8Yellow4Green5Silver×0.01Brown±1%

Nominal

8.45 Ω

8.45 ohms

Real range at ±1%

8.3655 Ω – 8.5345 Ω

A brown band allows this much drift.

Series

E96

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


Band by band

BandColourMeaning
1Grey1st digit — 8
2Yellow2nd digit — 4
3Green3rd digit — 5
4SilverMultiplier — ×0.01
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 V391 mA1.29 W5 W
5 V592 mA2.96 Wno standard part — needs a power resistor or a heatsink
12 V1.42 A17 Wno standard part — needs a power resistor or a heatsink
24 V2.84 A68.2 Wno standard part — needs a power resistor or a heatsink

What you can actually get

Parts made

20

759th most of 1,465 values

In stock

0

across 0 of them

Cheapest at 100

$0.0241

each

Tolerances sold

±0.1% to ±1%

3 grades in all

Packages: 0402, 0603, 0805, 1206, 1210, 2512, 0201. Ratings: 50mW 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

$0.40

$0.040 each · Cut Tape (CT) · minimum order 1

The reel price

$0.0065

each, but only from 50,000 pieces up

Sitting in stock

15,011

across 1 part numbers

Per piece, ten costs 6.2× the reel price. That gap is why a handful of resistors never costs what the headline price suggests.

Stocked in ±1%, rated 1/8 W.

Cheapest part you can buy ten of: CRCW06038R45FKEA by Vishay Dale — 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

8R4· three-digit, nearest only

8R45· four-digit, precision parts

90A· EIA-96, for the smallest parts

Three digits carry two significant figures, so they cannot write 8.45 Ω — 8R4 means 8.4 Ω. A part at this value is marked 8R45.

If you only have E24

GreyRedGoldGold

8.2 Ω is the nearest four-band value — -3.0% 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 8.45 Ω — which is why measuring beats reading when it matters.

If you do not have one

Standard values that land within 1% of 8.45 Ω when combined.