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6146

Sensibly equivalent to:
6146A 6146B CV3523 QV06-20
    
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The 6146 is a very popular small transmitting beam tetrode valve normally used in pairs within HF transmitters of 100 W output.
For mobile use a quick heating version was made where 70% of full power was available in 0.5 seconds. This was the QZ06-20.
Much used in amateur radio equipment. The Heathkit designs of the 1960s being typical.
See 12BY7A that was often used as a driver stage in amateur equipment.
The wide glass tube envelope is 36 mm in diameter and excluding the IO base pins, the valve is 78 mm.
References: Datasheet & 1040. Type 6146 was first introduced in 1952.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
k,bp
h
g2
k,bp
g1
k,bp
h
m
a

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
mAg
Pdriv
Pout
Pdiss
freq
f.max
6.3
1.25
600
150
-58
112
9
2.8
0.2W
52W
20W
60
175
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 31, 2013.
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