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LN309

Sensibly equivalent to:
CV5144 PCL83
See also:
Osram Junior Amplifier
    
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The LN309 is an audio triode output pentode. It produces an output power at 2.2 Watts, sufficent for an average domestic room and was fitted to television sets.
In the envelope the two electrode systems are side by side.
The double type designation shows the direct equivalence of the LN309 and the PCL83.
The thin glass tube envelope is 21 mm in diameter and excluding the B9A base pins, is 49 mm tall.
References: Datasheet & 1040. Type LN309 was first introduced in 1953.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
a(t)
g1(t)
k(t)
h
h
a
k,g3
g2
g1

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAs
ra
gm
Pdiss
Pout
12.6
0.3
170
170
-9.5,mAa_30
5
53k
5.5
5.4W
2.2W

 

Absolute Maximum Operating Conditions
Triode
Va
Vg
mAa
ra
gm
250
-8.5
10.5
7700
2.2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated May 15, 2015.
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