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6481

Sensibly equivalent to:
RT434
    
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The 6481 is a high frequency disc seal planar triode. It would probably be used in grounded grid configuration for maximum isolation between input and output circuits.
The 6481 was designed for use in microwave circuits at up to 3.3 GHz as an amplifier or oscillator.
The envelope is 15 mm in diameter and, excluding the base pins, is 57 mm tall. The contact rings are 20 mm in diameter.
Reference: Datasheet. Type 6481 was first introduced in 1967.

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
gm
μ
7.0
0.45
350
-15
35
4.5
25
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 15, 2013.
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