Capacitor datecodes?

Loial · 14th September 2006, 07:14 AM

I've got my hand on a whole lot of 10.000 uF 80V caps.
Now I dont know when they are manufactured, I know they are not "old" - but that doesn't help me...
Printed on these caps:

SI4PH10308035070
58772
P8

I figured out that the first row is the type, capacitance, voltage and physical size - right?)
But when were they manufactured?

I can't see any manufacturer either - I guess they are OEM caps, probably made for the company i got these from.
They are bright blue, with the print above in black.

Leolabs · 15th September 2006, 02:47 AM

Do you have the picture???

Sound of Silence · 15th November 2010, 12:09 PM

Here is a picture of the capacitor... I have the same type and would also apriciate any information on these caps...

jitter · 15th November 2010, 07:46 PM

Quote:

Originally Posted by Loial

I've got my hand on a whole lot of 10.000 uF 80V caps.
Now I dont know when they are manufactured, I know they are not "old" - but that doesn't help me...
Printed on these caps:

SI4PH10308035070
58772
P8

I figured out that the first row is the type, capacitance, voltage and physical size - right?)
But when were they manufactured?

I can't see any manufacturer either - I guess they are OEM caps, probably made for the company i got these from.
They are bright blue, with the print above in black.

Googling "SI4PH10308035070" results in several dodgy sites, but also one that specifies the manufacturer as "F&T Kondensatoren". That's Fischer&Tausche Capacitors Group.
They do have datasheets on the SI-series (SI4P = snap in four pin). The exact type as your's is not in it (there are two other 10.000uF/80V caps of different sizes). Sadly, like in most datasheets, there's no info on the date code.

I'm guessing P8 (P6 in the photo, BTW) is the datecode, but without some more info this is not very useful. However perhaps you could contact them Home - FTCap Fischer & Tausche Capacitors Group and hope they're willing to share the info.

Sound of Silence · 16th November 2010, 05:53 AM

Thank you for sharing the info, I will try to check them with an ESR meter to see how the condition is, and if they seems to be ok maybe I will try to contact F&T to get confirmation on the capacity and voltage...

Regards

14th September 2006, 07:14 AM	#1
Loial diyAudio Member Join Date: Nov 2004 Location: Gävle	Capacitor datecodes? I've got my hand on a whole lot of 10.000 uF 80V caps. Now I dont know when they are manufactured, I know they are not "old" - but that doesn't help me... Printed on these caps: SI4PH10308035070 58772 P8 I figured out that the first row is the type, capacitance, voltage and physical size - right?) But when were they manufactured? I can't see any manufacturer either - I guess they are OEM caps, probably made for the company i got these from. They are bright blue, with the print above in black.

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15th September 2006, 02:47 AM	#2
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	Do you have the picture???

15th November 2010, 12:09 PM	#3
Sound of Silence diyAudio Member Join Date: Aug 2010	Here is a picture of the capacitor... I have the same type and would also apriciate any information on these caps...

16th November 2010, 05:53 AM	#5
Sound of Silence diyAudio Member Join Date: Aug 2010	Thank you for sharing the info, I will try to check them with an ESR meter to see how the condition is, and if they seems to be ok maybe I will try to contact F&T to get confirmation on the capacity and voltage... Regards

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