5718: Difference between revisions

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The '''5718''' (European Type '''EC71''') is a subminiature high frequency triode.
The '''5718''' (European Type '''EC71''') is a subminiature high frequency triode.


It is used in the front end of the [[321]] (early models) and in the [[P170CF]] probe.
It is used in the front end of the [[321]] (early models) and in the [[P500CF]] and [[P170CF]] probes.


Tek part number: 154-0053-00
Tek part number: 154-0053-00
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{{Checkedtubes TableHeader}}
{{Checkedtubes TableHeader}}
|-  
|-  
|  [[P170CF]] (V951)  || 157-0019-00  || All
|  [[P170CF]] (V951)  || 157-0019-00  || All, Note1
|-  
|-  
|  [[P500CF]]  || 157-0046-00  || All    
|  [[P500CF]]  || 157-0046-00  || All, Note2   
|-
|  [[P500CF]]  || 157-0070-00  || All, Note3   
|}
|}
*Aged/checked tubes have a yellow dot painted on tip
*Note1:Aged/checked tubes have a green dot painted on tip
*Note2:Aged/checked tubes have a yellow dot painted on tip
*Note3:Aged/checked tubes have a white dot painted on tip
*157-0046-00 has been replaced by 157-0070-00  
*157-0046-00 has been replaced by 157-0070-00  
{{Tube aging reference}}
{{Tube aging reference}}

Revision as of 13:06, 2 April 2021

The 5718 (European Type EC71) is a subminiature high frequency triode.

It is used in the front end of the 321 (early models) and in the P500CF and P170CF probes.

Tek part number: 154-0053-00

Aged/Checked/Matched Pair Details
Used in Tek Part# S/N Range
P170CF (V951) 157-0019-00 All, Note1
P500CF 157-0046-00 All, Note2
P500CF 157-0070-00 All, Note3
  • Note1:Aged/checked tubes have a green dot painted on tip
  • Note2:Aged/checked tubes have a yellow dot painted on tip
  • Note3:Aged/checked tubes have a white dot painted on tip
  • 157-0046-00 has been replaced by 157-0070-00

Reference:

Tube aging procedure / Selection and checking procedure

Links

Photos