5718
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The 5718 (European: EC71) (P/N 154-0053-00) is a subminiature high-frequency triode vacuum tube.
It is used in the front end of the 321 (early models) and in the P500CF and P170CF probes.
Some instruments using part 5718
| Instrument | Manufacturer | Class | Description | Introduced |
|---|---|---|---|---|
| 321 | Tektronix | Oscilloscope | Portable single channel scope | 1960 |
| P170CF | Tektronix | Probe | Cathode-Follower Probe | (?) |
| P500CF | Tektronix | Probe | Cathode-Follower Probe | 1955 |
| 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- 157-0046-00 has been replaced by 157-0070-00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:
