What do the markings on a capacitor mean?

  • Thread starter Thread starter justlearning
  • Start date Start date
  • Tags Tags
    even
Click For Summary

Discussion Overview

The discussion revolves around interpreting the markings on a specific capacitor, focusing on the meaning of the alphanumeric codes and their implications for the capacitor's specifications. Participants explore various interpretations related to capacitance, voltage rating, and component type.

Discussion Character

  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant describes a capacitor marked with "K*E 102 100 NCC" and seeks help in understanding its markings.
  • Another participant suggests that "102" could represent 10 x 10^2, indicating a capacitance of 1000 pF.
  • Some participants propose that "100" might refer to the maximum applied voltage of the capacitor, while others agree it likely indicates a voltage rating of 100 V.
  • There is a suggestion that "NCC" could mean 'normal chip component' and that the first line may indicate a product line code.
  • One participant notes the absence of tolerance information, speculating that it might be implicit in the product line code or that "K" indicates a 10% tolerance.

Areas of Agreement / Disagreement

Participants express differing interpretations of the markings, particularly regarding the voltage rating and capacitance value. There is no consensus on the exact meanings of all markings, and multiple competing views remain.

Contextual Notes

Some assumptions about the capacitor type and specifications are not explicitly stated, and the discussion relies on interpretations that may vary based on different manufacturers' conventions.

justlearning
Messages
2
Reaction score
0
I have a capacitor that is marked different than most I've run into in the past. I'm not sure how to read it. It looks exactly like this:

K*E
102
100
NCC

Where the "*" is there is an undistiguishable mark. possibly a "N" inside a circle. It's printed exactly like that on a reddish brown if that helps. I believe it's a thin film polyester cap. Can anyone help me identify it?

I realize this is way below everyone's knowledge base here. I am not an electrical engineer btw.
 
Engineering news on Phys.org
Also my guess is 10 x 10 to the second power, and 100 degrees C
 
Maybe 100 can also be the maximum applied voltage of the capacitor.
102 I agree with you, 10*10^2 nF.
 
1nF 100V most likely.

102 usually means 10 * 10^2 pF
 
You could educate yourself on capacitor marking by brousing through a capacitor manufacture's data sheets.

The capacitor is 1000 pF (as uart noted), the '100' is a voltage rating. This could mean 100 VDC or a code for some other voltage. NCC mean 'normal chip component' in some cases. So it's probably a multi layer ceramic. The first line is probably a code for the general product line.

There is no tolerance given that I can see, except the first 'K', so I assume this is implicit in the product line code or K means it a 10% part.
 
Last edited:

Similar threads

Replies
5
Views
3K
  • · Replies 19 ·
Replies
19
Views
4K
  • · Replies 11 ·
Replies
11
Views
29K
Replies
3
Views
2K
  • · Replies 41 ·
2
Replies
41
Views
4K
Replies
10
Views
3K
Replies
15
Views
17K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 8 ·
Replies
8
Views
6K