684 capacitor value

The code 684 reads as 68 × 10⁴ pF: 680,000 pF, which is the same as 680 nF or 0.68 µF.

The value in each unit

680,000pF

680nF

0.68µF

Open 684 in the capacitor code calculator →

With a tolerance letter

Marking	Tolerance	Minimum	Maximum
`684J`	±5%	0.646 µF	0.714 µF
`684K`	±10%	0.612 µF	0.748 µF
`684M`	±20%	0.544 µF	0.816 µF

Other ways it's marked

On schematics and parts lists, the same capacitor appears as 680n, 680 nF or 0.68 µF.

Where it's used

Values from 1 nF to 1 µF are used for filtering, timing and signal coupling. Ceramic X7R capacitors and film capacitors are the usual choice.

Nearby codes

← 474 = 470 nF 105 = 1 µF →

Capacitor code chart →

Frequently asked questions

What is the value of a 684 capacitor?

680,000 pF, the same as 680 nF or 0.68 µF.

Is 684 the same as 680n?

Yes. 684 is the 3-digit code and 680n is the letter code for the same 680 nF.

What does the letter after 684 mean?

It's the tolerance: 684J is ±5%, 684K is ±10% and 684M is ±20%.

Does the code 684 show the voltage?

No. The voltage is printed separately (such as 50V, or a code like 2A, which means 100 V) or only given in the datasheet. Replace it with a capacitor rated for the same voltage or higher.