The EF14 is an RF pentode.The Telefunken logo and the Type designation.The wide metal tube envelope is 36 mm in diameter, and excluding the footless base pins is 36 mm tall.References: Data-sheet, 1040 & 1043. Type EF14 was first introduced in 1939. See also 1939 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | g1 | k | m | g2 | h | h | g3 | a |
|
|
Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm |
| 6.3 | 0.3 | 250 | 200 | -4.5 | 12.0 | 1.7 | 0.2M | 7.0 |
|
Updated February 23, 2015.
|
|