Hi

Actually it *is* a standard Vectron part number. Once an OEM placed an order, 
the specific part was issued
a 4 digit “code”. That plus the base model number made up the part number from 
there on. On could debate
endlessly if it was to make reordering easier (fewer digits to make mistakes 
on) or to obscure the actual spec.
One advantage of the 4 digit approach would be if the customer decided they  
wanted some non-standard 
(weird lead lengths…) spec on their part.  

Bob

> On Aug 9, 2017, at 11:07 AM, jimlux <jim...@earthlink.net> wrote:
> 
> On 8/8/17 11:04 PM, Neil Smith G4DBN wrote:
>> Does anyone have any technical info on a Vectron Laboratories 100MHz OCXO, 
>> model 724Y3067 (part number A61583-1) please? Can’t find a datasheet on the 
>> current Vectron Inc website and my Google-fu is weak today.
>> Neil
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> that doesn't resemble a standard vectron part number
> 
> You might look at the CO-724
> 
> https://www.vectron.com/products/ocxo/co724725.htm
> 
> I don't know if Y indicates the temperature range... probably a custom.
> 
> FOr others in that series, the next two digits indicate the frequency 
> stability - 58 -> 5E-8, 28 -> 2E-8, 17->1E-7
> 
> 30 -> 3E-10?
> 
> If you're looking at the one in the various online ads, the pinout is pretty 
> different - this is almost certainly a custom.
> 
> You could always send an email to Vectron
> 
> 
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