1X2
The 1X2 (European: DY80) (P/N 154-0005-00) is a high-voltage rectifier vacuum tube with a B9A (Noval) miniature 9-pin base and an anode cap.
Its maximum inverse voltage is 15 kV and the maximum forward current is 1 mA. The filament operates on 1.25 V, 200 mA.
Used in
The 1X2 tube is used in the 565, 507, and 517 (420 HV supply).
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| 420, 420A | 157-0079-00 | All, Note1 |
Note1: A dot of yellow lacquer is applied to bottom of the selected tube.
Reference:
Some instruments using part 1X2
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 420 | Tektronix | Power supply | 420 | high-voltage power supply | 1950 |
| 507 | Tektronix | Oscilloscope | 507 | Power Industry scope | 1959 |
| 565 | Tektronix | Oscilloscope | 565 | 10 MHz dual-beam scope | 1962 |
Links
- 1X2 Preliminary Datasheet
- 1X2 @ radiomuseum.org
Pictures
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A 1X2 tube in the RM565 HV Power Supply
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