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PL508

Sensibly equivalent to:
17KW6
    
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The PL508 is a purpose designed frame output stage valve. See also PL508 for full information.
The maximum positive anode surge is 2,500 Volts, suggesting service in small to medium sized sets.
The wide glass tube envelope is 28 mm in diameter and, excluding the B9D base pins, is 70 mm tall.
References: Datasheet & 3002. Type PL508 was first introduced in 1967.

 

Pin Connections
B9D
1
2
3
4
5
6
7
8
9
g1
ic
g2
h
h
a
k,g3
g1
ic

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
mAa
mAs
Pdiss
ra
17
0.3
190
190
60.0
5.0
12W
10,000
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 29, 2013.
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