Author Topic: Advance Ballast Datecode  (Read 157 times)
Econolite03
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Advance Ballast Datecode « on: May 27, 2022, 01:41:42 PM » Author: Econolite03
I have a Advance 135W SOX ballast, and I’m curious to it’s age. Theres  a numbers stamped on it but no obvious number to possibly reveal its age. See Here:
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wide-lite 1000
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Re: Advance Ballast Datecode « Reply #1 on: May 27, 2022, 10:37:13 PM » Author: wide-lite 1000
 Is there a date code on the cap  ?
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joseph_125
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Re: Advance Ballast Datecode « Reply #2 on: May 27, 2022, 10:48:24 PM » Author: joseph_125
The white text stamped on the core is the date code. Here's a excerpt from a older Advance HID ballast catalogue:

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Philips Advance HID Core & Coil ballasts are date stamped on either the top surface or the side surface of the ballast core. The four-digit number represents the week and year of manufacture. The first two numbers indicate the week and the last two indicate the year the ballast was manufactured. The example shows a ballast manufactured during the 36th week of 1989. The three letters are a factory code.

I think yours is week 38 2007, or September 2007. I believe Advance branded capacitors are date coded using the same system. The logo is the 2000s style with the eagle landing on the A so I think 2007 it is. Earlier Advance logo didn't have a eagle and newer ones are co branded with Philips.
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Econolite03
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Re: Advance Ballast Datecode « Reply #3 on: May 30, 2022, 06:38:21 PM » Author: Econolite03
Thanks.
 8)
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joseph_125
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Re: Advance Ballast Datecode « Reply #4 on: May 30, 2022, 06:51:30 PM » Author: joseph_125
No problem, I might make a post with the fluorescent ballast info too just to have a convenient place to link to this info.
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