|
EF89Sensibly equivalent¶ to:6DA6 CV5156See also:
|
|
|
The EF89 is a miniature RF variable μ voltage amplifier pentode for use as an RF or IF amplifier in FM/AM receivers and is designed to work with a tuned anode circuit.
The only visible part of the valve is the expanded metal screening cylinder.The thin glass tube envelope is 21 mm in diameter and, excluding the B9A base pins, is 54 mm tall.References: Data-sheet & 1040. Type EF89 was first introduced in 1954. See also 1954 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |  s | g1 | k | h | h | s | a | g2 | g3 |
|
|
Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | 
| 6.3 | 0.2 | 250 | 100 | -2 | 9 | 3 | 1M | 3.6 |
|
Updated January 07, 2016.
|
|
