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Forums
4hv.org :: Forums :: General Chatting
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The unknown parts thread

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dmg
Mon Jul 19 2010, 08:37AM Print
dmg Registered Member #2628 Joined: Fri Jan 15 2010, 12:23AM
Location:
Posts: 627
 		Hi everyone,

I always find myself getting new parts, some of them are very old and unproduced, and finding a datasheet is next to imposible without going around and asking people.

so the proposal here is to have a thread where people can post thier part that is either a complete mystery in hopes of finding a part number or description, without having to make new threads,

so id like to get some opinions, is such a thread a good idea? or a complete fail?
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Adam Munich
Mon Jul 19 2010, 02:26PM
Adam Munich Registered Member #2893 Joined: Tue Jun 01 2010, 09:25PM
Location: Cali-forn. i. a.
Posts: 2242
 		Ignore this post
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UltraMagnus
Mon Jul 19 2010, 04:30PM
UltraMagnus Registered Member #2875 Joined: Mon May 24 2010, 08:28AM
Location: England
Posts: 42
 		as long as people at least attempt to google the part number first...
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doctor electrons
Mon Jul 19 2010, 09:44PM
doctor electrons Registered Member #2390 Joined: Sat Sept 26 2009, 02:04PM
Location: Milwaukee Wisconsin
Posts: 381
 		Some part numbers don't exist, especially on ic chips. A good amount of the numbers are proprietary, hence the mystery.
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Myke
Mon Jul 19 2010, 10:14PM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
 		I have some vidicons that I would really like the datasheet for. I'll post the part numbers when I get home.
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radiotech
Tue Jul 20 2010, 03:15AM
radiotech Registered Member #2463 Joined: Wed Nov 11 2009, 03:49AM
Location:
Posts: 1546
 		Make a component tracer (AKA) tracker, as in Huntron Tracker.

Old analogue oscilloscope, 3 resistors, and a 6.3 volt transformer.

Use to identify diodes transistors resistors capacitors coils.

Each type of part has a unique VI curve. saves hours in troubleshooting
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UltraMagnus
Tue Jul 20 2010, 06:13AM
UltraMagnus Registered Member #2875 Joined: Mon May 24 2010, 08:28AM
Location: England
Posts: 42
doctor electrons wrote ...

Some part numbers don't exist, especially on ic chips. A good amount of the numbers are proprietary, hence the mystery.
That is true, I just meant it could get filled with people asking for the datasheet for their 74ls00... I have seen it before.

that said, I think it could be a great idea, I may have some parts that need identifying myself.
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dmg
Tue Jul 20 2010, 06:45AM
dmg Registered Member #2628 Joined: Fri Jan 15 2010, 12:23AM
Location:
Posts: 627
 		well, at the moment I have no mystery parts, but when I do, I guess it will be better to post em all here instead of making a bunch of seperate threads like did in the past...

which was kinda why I started this in the first place, its up to you really, but I will have to agree with Ultramagnus, at least put in some effort to find the thing first, but in general, any odd looking part that there is no easly obtainable information to what it is or its specs, which someone here may have seen said part before or know a source of datasheets for these parts, it can be usefull for future referance when using these items for a project or whatever you do with them.
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Avalanche
Tue Jul 20 2010, 07:31AM
Avalanche Registered Member #103 Joined: Thu Feb 09 2006, 08:16PM
Location: Derby, UK
Posts: 845
 		not a mystery part, and a complete long shot... but I'm finding it impossible to find the datasheet for the OC202 germanium transistor cheesey (which my local electronics shop still sell over the counter!) Found a short form on a datasheet site, but that's all
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radiotech
Tue Jul 20 2010, 12:16PM
radiotech Registered Member #2463 Joined: Wed Nov 11 2009, 03:49AM
Location:
Posts: 1546
 		From the 1958 international tube handbook;


1279628180 2463 FT92986 Scan0002


Edit: OOPS another image needed!
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