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Old 23rd February 2008, 05:49 AM   #1
pooge is offline pooge  United States
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Default Nippon Chemi-con date codes

Does anyone know how to decode a date code for a Nippon-Chemicon electrolytic?

Othe than the KMH series, voltage, and capacitance, I have some having "40c14L 72" on the label. Can anyone decipher?
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Old 23rd February 2008, 01:08 PM   #2
Netlist is offline Netlist  Belgium
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Here?

/Hugo
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Old 23rd February 2008, 02:46 PM   #3
pooge is offline pooge  United States
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Found that one, but it doesn't seem to work, as the date codes are not in that format. Thanks.
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Old 25th February 2008, 06:34 PM   #4
pooge is offline pooge  United States
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Found out how to decipher date code for Nippon Chemi-cons:

First digit is the year

Second digit is the month: 1-9 and O-N-D

third digit is the day: A-Z and a-e

the next digit or two is the factory line

the next is the factory: L = Lansing

then comes the lot #


so for "40c14L 72":


date: 2004, Oct 29

factory line: 14

factory: Lansing

lot #: 72


Don't know how they distinguish 1994, 2004, or 2014, unless they add another digit. Factory tech didn't know, but didn't think KMH series was around in 1994.
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Old 29th March 2008, 06:39 PM   #5
Apex Jr is offline Apex Jr  United States
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Did you ever figure it out...

I just bought some KMH series Snap In caps
15,000 Uf 63 V with a date code 65F04L

Could it be 1996 - 2006 ? ? 5th month
Guess Lansing factory

Steve @ Apex Jr.
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