|
A440NSensibly equivalent¶ to:See also:
|
|
|
The A440N from Triotron is an indirectly heated detector triode introduced in 1932. The equivalents listed come from the 1936 Triotron booklet as did the data-sheet.The balloon envelope is 46 mm in diameter, and excluding the B5 base pins is 100 mm tall.References: Data-sheet, 4046 & 1043. Type A440N was first introduced in 1932. See also 1932 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 |  a | g1 | h | h | k |
|
|
Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm | 
| 4.0 | 1.0 | 200 | -1.6 | 1.0 | 25,000 | 4.0 |
|
PDF scanned from an original document held by the museum |
Updated April 30, 2021.
|
|
