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AC5/Pen

Sensibly equivalent to:
CV2809 PT10
    
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The AC5/Pen is an audio output beam tetrode.
With a cathode resistor of 180Ω and a 5,200Ω load the output is 4.85 Watts with 7% distortion.
The dome carries the identification.
The classic envelope is 54 mm in diameter, and excluding the base pins is 108 mm tall.
References: Datasheet, 1040 & 1043. Type AC5/Pen was first introduced in 1938.

 

Pin Connections
B7
1
2
3
4
5
6
7
-
g1
g2
h
h
k
a

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
4.0
2.0
250
250
-8.5
40.0
7.5
9.4
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated December19, 2013.
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