Identifying a cap...

EchoWars · 26th August 2006, 03:18 AM

I have a bunch of these caps...Mil surplus.

The package says 'ceramic', but I suspect that that simply refers to the outer casing. They measure 1µf (and are marked '105') and the Mil part number suggests a 100V rating, but these would be the smallest 1µf non-electrolytic I've ever seen. They are way too small and thin to be of ceramic conctruction...about the size of a 220pf ceramic cap.

Any idea of what they are? Stacked film? Or is there a stacked form of ceramic that could achieve this capacitance in this small a form-factor?

singa · 27th August 2006, 05:55 PM

I seldom see ceramics at 1uF,they look like polyester to me.

Apex Jr · 27th August 2006, 06:18 PM

If the Mil Number is : (or what is the mil # )
CK05 0r CK06 XX 105 they are considered monolytic caps
very close to a ceramic.. 105 for sure is a 1 Uf
Letter afterwards is the percentage J = 5% K = 10%
M =20% HTH's

Steve @ Apex Jr.

EchoWars · 27th August 2006, 10:35 PM

Here's what it says on the package:

Code:

5910012779580
5910-01-277-9580
2N335       RPE114Z5U105M100V
Case/MFG  051406  PN/MFG  Same
Capacitor, Fixed, Cer
1 EA
SP0900-94-A-A711-0818
A/C     09/94

Odd parts for sure.

Nordic · 27th August 2006, 10:43 PM

105M100V I think the last part may just be the answer with 105 being normal capacitor rating marking and 100V limit.
It is small but I got smaller ones...

27th August 2006, 10:35 PM	#4
EchoWars diyAudio Member Join Date: Dec 2002 Location: Left of the Dial	Here's what it says on the package: Code: 5910012779580 5910-01-277-9580 2N335 RPE114Z5U105M100V Case/MFG 051406 PN/MFG Same Capacitor, Fixed, Cer 1 EA SP0900-94-A-A711-0818 A/C 09/94 Odd parts for sure.

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27th August 2006, 05:55 PM	#2
singa diyAudio Member Join Date: Apr 2004 Location: near	I seldom see ceramics at 1uF,they look like polyester to me.

27th August 2006, 06:18 PM	#3
Apex Jr diyAudio Member Join Date: Jun 2002 Location: Torrance, Calif	If the Mil Number is : (or what is the mil # ) CK05 0r CK06 XX 105 they are considered monolytic caps very close to a ceramic.. 105 for sure is a 1 Uf Letter afterwards is the percentage J = 5% K = 10% M =20% HTH's Steve @ Apex Jr.

27th August 2006, 10:43 PM	#5
Nordic diyAudio Member Join Date: Sep 2005	105M100V I think the last part may just be the answer with 105 being normal capacitor rating marking and 100V limit. It is small but I got smaller ones...

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