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6MB8

 
    
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The 6MB8 is a frame-grid pentode and hi gain triode used in colour TV receivers. The triode was designed for video-amplifier service. The pentode was used used in colour burst-amplifiers.
The triode section with screen plate behind.
The triode on the left with grid visible. The screen is in the centre and the pentode on the right.
The thin glass tube envelope is 20 mm in diameter, and excluding the B9A base pins is 47 mm tall.
Reference: 4002.

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.4
125
125
-1
10.0
2.8
125k
12.0

 

Absolute Maximum Operating Conditions
Triode
Va
Vg
mAa
ra
gm
μ
125
-
13
5,000
8.0
40
Updated April 17, 2013.
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