cctalk Digest, Vol 56, Issue 26 Looking for a LM4250H 8 Pin DIP

Robert J. Stevens trebor72 at execpc.com
Thu Apr 17 08:09:26 CDT 2008


cctalk-request at classiccmp.org wrote:
> Message: 2
> Date: Wed, 16 Apr 2008 11:01:54 -0700
> From: "Chuck Guzis" <cclist at sydex.com>
> Subject: Re: Looking for a LM4250H 8 Pin DIP or A real good substitute
> Date: Wed, 16 Apr 2008 11:17:07 -0500
> From: "Robert J. Stevens" 
>> I am Looking for a LM4250H 8 Pin DIP or A real good substitute. I  found
>> a Data Sheet but having trouble locating any Parts. I am hoping someone
>> has one in their Parts Box TIA Bob in Wisconsin USE trebor07 at execpc.com
>>     
>
> My cross-reference charts say that the TI OPA704PA (in current 
> production and available from Digi-Key) is a drop-in substitute.  The 
> Philips ECG944M may also work.
>
> Message: 3
> Date: Wed, 16 Apr 2008 11:33:41 -0800
> From: Brent Hilpert <hilpert at cs.ubc.ca>
> Subject: Re: Looking for a LM4250H 8 Pin DIP or A real good substitute
>
>   
>> I am Looking for a LM4250H 8 Pin DIP or A real good substitute. I  found
>> a Data Sheet but having trouble locating any Parts.
>> I am hoping someone has one in their Parts Box
>>     
>
> I have several NOS LM4250CN, date code 8121. 
> The CN in plastic 8-pin DIP, 0C to +70C.
> According to the NS book, the H is metal can, -55C to +125C.
>
> Can throw a couple in the mail from Vancouver, Canada, if you don't find
> anything faster/closer.
>
> What's the app?, does it really have special requirements? So many op-amp types
> have been produced over the years. Perhaps I exagerrate, but they seem like
> transistors in that a dozen modern types could cover substitution for the
> entire range of types.
I am trying to build a Clone of the Godbout S-100 Terminator for my 
Byte-8 Box.
Looks like Unicorn may have what I want
Thanks for all the replies
Bob



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