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4hv.org :: Forums :: General Science and Electronics
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Tube data

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Myke
Sun Sept 07 2008, 06:27PM Print
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Hi, went to an electronics swapmeet today and I can't find the data for two tubes.
First one has a label of 589752-1. Yeah, it has a broken base but it should be fine (becuase the base was broken, I got it for a couple bucks.)


2836299269 2014155657 B


The second is the tube on the left with the label of CK-1081. I'd assume that it has similar function to the tube on the right labeled CK-1013 because the tube construction looks similar.


2836299285 2b6bcb0220 B

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Mads Barnkob
Sun Sept 07 2008, 07:14PM
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
The large Eimac seems to be a triode, but I cant find anything on it.

Found nothing on ck-1081 either.

CK-1013, it got a similar tube called 5517 its a cold cathode halfwave rectifier.
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Proud Mary
Sun Sept 07 2008, 07:53PM
Proud Mary Registered Member #543 Joined: Tue Feb 20 2007, 04:26PM
Location: UK
Posts: 4992
CK1013 is equivalent to Raytheon CK5517. It is a cold cathode, gas filled half wave rectifier, PIV max 2800V, peak cathode current 100mA.

Pins 1,2, 6 & 7 are all the Cathode.

Pins 3 & 5 are No Connection.

Pin 4 is the Starter Electrode.

Top Cap is the Anode.
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Electroholic
Sun Sept 07 2008, 09:04PM
Electroholic Registered Member #191 Joined: Fri Feb 17 2006, 02:01AM
Location: Esbjerg Denmark
Posts: 720
Found 589752-1 on this page

Link2

4PR6S0C returns nothing, but heres 4PR60C from eimac.

Link2

Looks like it was used in radar for pulse modulation.
Is the base seal totally broken? Still a nice paper weight tho.
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Myke
Sun Sept 07 2008, 09:28PM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
The base seal looks like it's fine. Just the ceramic is broken which isn't really a problem. Wonder what I could do with it besides build another small VTTC...

So no one can find ratings for the CK-1081? Thanks for all the info so far though smile
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Mads Barnkob
Wed Sept 10 2008, 02:33PM
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
With maximum ratings of 20kV/18A on the plate for pulse modulation.... but no maximum frequency is given, which makes me think it could be pretty low.

I dont know how radar pulseswork other than its at high frequnecies, so I might be mistaken.
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