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Re: ETD51 (-030) darlington transistor TO-220 case

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From	"ChrisND@privacy.net" <chrisnd@privacy.net>
Newsgroups	sci.electronics.components
Subject	Re: ETD51 (-030) darlington transistor TO-220 case
Date	Wed, 27 Apr 2022 12:53:16 +0100
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On 26/04/2022 19:42, Three Jeeps wrote:
> On Tuesday, April 26, 2022 at 11:55:27 AM UTC-4, chr...@privacy.net wrote:
>> On 26/04/2022 16:26, Phil Hobbs wrote:
>>> Chr...@privacy.net wrote:
>>>> Hi, can anyone point me in the direction of a data sheet for this
>>>> device please?  Failing that, even some basic data would be useful!
>>>>
>> Ok, thanks for the guidance. For the record, a BU941ZT was suggested as
>> an alternative (its a motorcycle TCI box) - but I am not sure on what
>> basis. Either way, the latter doesn't work whereas the former did - to
>> some extent :-/
>>
> Is what you posted ETD51 the correct p/n?  I don't understand the suffix (-030).  All combinations of the p/n string turn up empty (house number?)
> My cross ref catalogs the most recent is 2010, provides no crosses either.
> What does it do in the ckt?

ETD51 I think is the generic type whereas ETD51-030 was from a specific 
vendor (I think!).  It is used as a driver for the primary of the HT 
coil for the spark plug.

I have a datasheet for the BU941ZT which declares it to be an NPN 
darlington - I just want to check the ETD51-030 has similar 
characteristics and, above all, has the same pinout.

Chris

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Thread

ETD51 (-030) darlington transistor TO-220 case "ChrisND@privacy.net" <chrisnd@privacy.net> - 2022-04-25 17:45 +0100
  Re: ETD51 (-030) darlington transistor TO-220 case Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2022-04-26 11:26 -0400
    Re: ETD51 (-030) darlington transistor TO-220 case "ChrisND@privacy.net" <chrisnd@privacy.net> - 2022-04-26 16:55 +0100
      Re: ETD51 (-030) darlington transistor TO-220 case Three Jeeps <jjhudak4@gmail.com> - 2022-04-26 11:42 -0700
        Re: ETD51 (-030) darlington transistor TO-220 case "ChrisND@privacy.net" <chrisnd@privacy.net> - 2022-04-27 12:53 +0100
      Re: ETD51 (-030) darlington transistor TO-220 case Gonzo333 <806c65d27ecebc55f9069702ae00fec4@example.com> - 2023-05-12 18:45 +0000
        Re: ETD51 (-030) darlington transistor TO-220 case "chrisnd@privacy.net" <chrisnd@privacy.net> - 2023-05-13 16:58 +0100

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