5718

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Revision as of 08:48, 5 June 2020 by Rajesh (talk | contribs) (added 157X part# details.)
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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.

Tek part number: 154-0053-00

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  • 157-0046-00 has been replaced by 157-0070-00

Reference:

Tube aging procedure / Selection and checking procedure

Links

Photos