The P3580 is an audio output pentode for use in universal mains sets ie with or without mains transformers from a time when DC mains still existed.Made by the Austrian company Triotron it was produced with the Ct8 base and the B7 for the British market.The output is 4 Watts with a 320Ω cathode resistor and an anode load of 4,500ΩThe classic envelope is 49 mm in diameter, and excluding the B7 base pins is 113 mm tall.References: 1043. Type P3580 was first introduced in 1936. See also 1936 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |  nc | g1 | g2 | h | h | k,g3 | a |
|
|
Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs |
| 26.0 | 0.2 | 250 | 250 | nc | 36 | 4.5 |
|
Updated January 05, 2022.
|
|
