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Unknown IC

Discussion in 'Datasheets, Manuals and Component Identification' started by shrtrnd, Oct 22, 2011.

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  1. shrtrnd

    shrtrnd

    3,715
    469
    Jan 15, 2010
    Got some IC's marked:
    HOA9026A /C 7800 303XA 27014
    Found a vague reference as possible equivalent to LM143H
    Anybody know anything about this IC?
    I'd like to know what it is, or if it actually IS equivalent to the LM143H.
     
  2. OLIVE2222

    OLIVE2222

    690
    25
    Oct 2, 2011
    Is there any brand name or logo on it?
     
  3. shrtrnd

    shrtrnd

    3,715
    469
    Jan 15, 2010
    National Semiconductor. 8-Pin Can Package.
    Precision markings, ....I'm wondering if maybe it's a military spec IC.
     
  4. OLIVE2222

    OLIVE2222

    690
    25
    Oct 2, 2011
    I deeply drill the WWW but no information about your mystery chip
    Indeed it's should be some military/hi-rel device according to the package and the marking :eek:
     
  5. shrtrnd

    shrtrnd

    3,715
    469
    Jan 15, 2010
    There's a defense logistics website out there somewhere that I ran across once.
    I'll see if I can find it again, and look there.
     
  6. shrtrnd

    shrtrnd

    3,715
    469
    Jan 15, 2010
    Found it.
    If anybody's interested:
    http://www.dscc.dla.mil
    microcircuit cross reference.
    Dies owned by Rochester Electronics in Massacusetts, Vendor Part # 7800 303XA
    Actual Device LM143H, High Voltage Op-Amp.
    The site lists mil spec part number cross refs for mil spec electronic part numbers.
     
  7. OLIVE2222

    OLIVE2222

    690
    25
    Oct 2, 2011
    Well done ! I keep track of this useful site!
     
  8. DrPinky

    DrPinky

    22
    0
    Nov 7, 2011
    What did you pull the IC off of???
     
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