RAYT7649 IC replacements

mmerig · 21st March 2006, 05:09 AM

Is there a replacement for a DIP-14 with the following stamped on it:

RAYT7649 ?

I am having trouble finding originals or replacements.

Thanks.

rpapps · 21st March 2006, 06:17 AM

Hi
Looks like a manufacturers code - Rayt(heon)
and a date code - week 49 of 1976.
No other numbers or markings?

mmerig · 21st March 2006, 01:41 PM

There are other markings, and they are:

11-0164.

This code is on the board as well as the device, so I should have provided this too.

It was the first number I first searched with, and no IC's resulted, but the 7649 did result in IC's -- just poor matches.

I'll try again with 11-0164.

mmerig · 21st March 2006, 05:15 PM

One source (RFQ ElectronIC's) has the 11-0164 IC, but their minimum order is $100.

I can't even find a data sheet on this device.

mmerig · 21st March 2006, 06:09 PM

No need for anymore help. The 11-064 seems to be an SAE number (all of the active components have weird numbers, while those for passive ones make sense).

I found a schematic, and the 11-0164 stamp corresponds to an LM339, which is very easy to find and cheap, too.

21st March 2006, 05:09 AM	#1
mmerig diyAudio Member Join Date: Jan 2005 Location: south east Idaho, Teton Basin	RAYT7649 IC replacements Is there a replacement for a DIP-14 with the following stamped on it: RAYT7649 ? I am having trouble finding originals or replacements. Thanks.

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21st March 2006, 06:17 AM	#2
rpapps diyAudio Member Join Date: Jul 2004 Location: nowhere of interest	Hi Looks like a manufacturers code - Rayt(heon) and a date code - week 49 of 1976. No other numbers or markings?

21st March 2006, 01:41 PM	#3
mmerig diyAudio Member Join Date: Jan 2005 Location: south east Idaho, Teton Basin	There are other markings, and they are: 11-0164. This code is on the board as well as the device, so I should have provided this too. It was the first number I first searched with, and no IC's resulted, but the 7649 did result in IC's -- just poor matches. I'll try again with 11-0164.

21st March 2006, 05:15 PM	#4
mmerig diyAudio Member Join Date: Jan 2005 Location: south east Idaho, Teton Basin	One source (RFQ ElectronIC's) has the 11-0164 IC, but their minimum order is $100. I can't even find a data sheet on this device.

21st March 2006, 06:09 PM	#5
mmerig diyAudio Member Join Date: Jan 2005 Location: south east Idaho, Teton Basin	No need for anymore help. The 11-064 seems to be an SAE number (all of the active components have weird numbers, while those for passive ones make sense). I found a schematic, and the 11-0164 stamp corresponds to an LM339, which is very easy to find and cheap, too.

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