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5654

Sensibly equivalent to:
CV4010 M8100
    
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The 5654/M8100 is the special quality version of the 6AK5. It is an wideband RF amplifier pentode for VHF and above. The rugged construction is to allow the valve to operate in situations of vibration and knocks.
The pressed one piece anode is stitched at the side and fixed to the support. The anode is reduced in area at the ends and so the three grids can be observed.
The connections from the base pins are made with copper ribbon. The anode connection is shielded down to the centre of the base.
The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 37 mm tall.
References: Data-sheet & 1040. Type 5654 was first introduced in 1948.

 

Pin Connections
B7G
1
2
3
4
5
6
7
g1
k
h
h
a
g2
k

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.175
180
120
-1.8
7.7
2.4
0.5M
5.1
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated June 12, 2021.
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