[chbot] BU407D needed

[Ashlin Inwood]

Thanks, Graha for your reply.

I have given the flyback a quick check and there are no shorts, of course,
that's not a particularly complete test.
I have a friend with a ring tester so I'll do that over the weekend if I
have time. That will ultimately determine whether or not it's worth
continuing at all.

For now, I'll pass on the BU407, but thank you. If the flyback is ok then
I'll order one, it will probably arrive before I have $60 worth of items to
order from Digikey.

The cap is an odd one, it's an axial 6v 75uf. Here is an adequate
replacement, they still make them:
https://www.digikey.co.nz/en/products/detail/vishay-sprague/TE1210-E3/5612667
I could replace it with a couple of radial caps but I would rather just
spend the $9 and have a drop-in replacement.


On Fri, 3 May 2024, 11:00 pm , <chchrobotics-request at lists.ourshack.com>
wrote:

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>    1. BU407D needed (Graham Vincent)
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> Message: 1
> Date: Fri, 3 May 2024 11:07:19 +1200
> From: "Graham Vincent" <vintron at xtra.co.nz>
> To: <chchrobotics at lists.ourshack.com>
> Subject: [chbot] BU407D needed
> Message-ID: <000c01da9ce5$7c90f710$75b2e530$@xtra.co.nz>
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> Have you checked the lopty for shorts . I have a lopty tester if any help
> you could borrow.
>
> I also may have the capacitor you are looking for.
>
> The transistor, I have diodes and BU407's which you could use to test
> before buying an original.
>
> Graham Vincent
> Ph. 03 3488454
>
>
> -----Original Message-----
> From: Chchrobotics <chchrobotics-bounces at lists.ourshack.com> On Behalf Of
> chchrobotics-request at lists.ourshack.com
> Sent: Thursday, 2 May 2024 11:00 PM
> To: chchrobotics at lists.ourshack.com
> Subject: Chchrobotics Digest, Vol 200, Issue 1
>
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> Today's Topics:
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>    1. CRT Horizontal Output Transistor - BU407D (Ashlin Inwood)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 2 May 2024 21:09:55 +1200
> From: Ashlin Inwood <ashlin.inwood+robotics at gmail.com>
> To: chchrobotics at lists.ourshack.com
> Subject: [chbot] CRT Horizontal Output Transistor - BU407D
> Message-ID:
>         <
> CANmz1+0hAmE6tjazg-5y8ZipU3MZsVcKV-NBS0Snfs3nC068ig at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi all,
>
> I am looking to track down a *BU407D *NPN Power Transistor for my
> VT101 terminal.
> They are commonly available online, but I was hoping to find one locally
> to save the shipping time.
>
> I also need to order a replacement capacitor, so if anyone is doing a
> DigiKey order any time soon I would appreciate it if I could add an item to
> that order.
>
> Thank You,
> Ashlin
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