On Fri, Mar 28, 2003 at 08:03:35PM -0800, Jeffrey Meade enlightened us thusly
> ST Microelectronics H5NA90FI three-pin regulator.
>
> Please help me to find the specification documentation and where to acquire
> one of these regulators.
> I searched Google and other search engines for the part number, found one
> lead, but so far, this search is a dead end.
> The part number printed on this three-pin regulator is H5NA90FI or H5NA90F1.
> It is made in Morocco.
> The date code is the forth week of 1996.
> It is used in model 38-K42IMD-02 color monitor manufactured in Canada by
> Conrac.
> Does anyone recognize this model number?
> I emailed then telephoned Conrac, but they haven�t found a replacement
> regulator to sell to me.
>
> Thank you,
> Jeffrey Meade
> [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
In your searches, drop the 'F1'. It means the tab or case is isolated.
If it's 3 terminal, it _must_ be linear. By reference to
electrolytics, you can figure which is input, ground, and output.
What's the voltage? Let's say 8.5 Volts is required: Connect a 5V
regulator, with a resistor in the ground leg (~270 ohms per volt IIRC).
For the above example, You would start by experimenting with 910 ohms in
series with the ground pin.
--
With best Regards,
Declan Moriarty.
--
Author: Declan. Moriarty
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