Here's some previous discussion on this question, Bill. Joe.
> -----Original Message----- > From: da Silva, Joe > Sent: Thursday, May 03, 2001 10:26 AM > To: '[EMAIL PROTECTED]' > Subject: RE: zeners colour codes > > Strange colour codes, but I guess they are consistent ... or are > they? The brown-brown marking appears to be any Matsushita > series ending with the numerals "110", however, the other two > markings are not on the list. So, either they are obsolete parts > or, more likely, Matsushita have changed their marking scheme > at some point [in time]. Assuming the other two parts are indeed > Matsushita, I would be inclined to convert the colour codes in the > same way as for resistors, including the third digit multiplier. In > that way, brown-grey-brown would be any part ending with the > numerals "180", and green-blue-brown would be any part ending > with the numerals "560" ... the package type will further narrow > down the particular part number. At least this way, the multiplier > band now makes sense ... > > Joe. > > -----Original Message----- > From: Ingraham, Andrew [SMTP:[EMAIL PROTECTED]] > Sent: Thursday, 3 May 2001 3:41 > To: Multiple recipients of list CHIPDIR-L > Subject: RE: zeners colour codes > > > I had doing a revision, and found that this colour code was for a > > matsushita > > zeners corresponding with the part number, so if anybody have > information > > about matsushita or where I can find something please let me Know, and > > thanks to everybody. > > Matsushita (www.matsushita.co.jp) uses the Panasonic name in the USA. You > might try searching on Panasonic's website (www.panasonic.com). > > I just tried this and came up with a VERY interesting webpage that lists > their zener diodes and their markings in the form of color codes! > > To get there, start at www.panasonic.com, click on Industrial Components, > then Semiconductor, then Data Sheets, then under Product Information, > select > Diodes/Hall Elements, then Zener Diodes, then the "Click" button next to > List of Products. Or, one page back, there is a choice for Marking that > lets you scroll through several dozen choices, including the color codes. > > Andy > > -- > Author: Ingraham, Andrew > INET: [EMAIL PROTECTED] > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing Lists > -------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB CHIPDIR-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). -- Author: da Silva, Joe INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
