25Z5
25Z5 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $8.88 per tube.
What 25Z5 Sells For
| Measure | Per tube |
|---|---|
| Median | $8.88 |
| Typical range (25th–75th) | $7.86 – $11.98 |
| Most sales (10th–90th) | $6.60 – $22.04 |
| Extremes incl. outliers | $5.97 – $42.12 |
| Completed sales | 14 |
By Brand
| Brand | Median | Range | Sales |
|---|---|---|---|
| RCA | $8.88 | $8.54 – $10.48 | 4 |
| Sylvania | $8.00 | $7.86 – $11.98 | 3 |
By Condition
| Condition | Median | Sales |
|---|---|---|
| NOS | $8.72 | 6 |
| used | $16.26 | 4 |
Per-tube prices from completed sales, 2026-06-16 to 2026-09-03. Matched pairs and quads are divided out. See the price index for how these move over time.
Datasheets
Original manufacturer datasheets for 25Z5, hosted by Frank Philipse's Electron Tube Data sheets.
| Manufacturer | Designation | Datasheet |
|---|---|---|
| Tung-Sol | 25Z5 | PDF (109 KB) |
| RCA | 25Z5 | PDF (62 KB) |
In the Archive
Documents held here and used to write this page.
- TWIN DIODE HIGH VACUUM RECTIFIER VOLTAGE DOUBLER