Power Grid Tubes

Construction Key: Triodes(3), Tetrodes(4), Glass(G), Ceramic(C)
Part number
Cons-
Cathode / Filament
Main Electrical Parameters
Max Ratings
Equivalent
truction
type
voltage
กก
2
(V)
current
กก
2
(A)
power
output max
(KW)
trans-
conductance
2
(mA/V)
amplication
factor
max
anode
voltage
2
(KV)
anode
current
2
(A)
anode
dissipation

(KW)
frequency
max
2
(MHZ)
FU-22S
3G
TH-W
8.3
150
30
31.5
49.5
10
5
20
26
GU-22A
FU-22Z
3G
TH-W
8.3
150
30
35
32
12
5
30
GU-22A
FU-23S
3G
TH-W
12
210
100
45
52
12
13
60
26
GU-23A
FU-23Z
3G
TH-W
12
210
100
45
52
12
13
60
26
GU-23P
FU-250F
4C
oxide
26.5
0.5
0.25
  
5.2
2
0.25
50
FU-252F
oxide
6
3
0.44
  
5
2
0.25
500
4CX250K
FU-29J
                        
FU-29T
                        
FU-3062F
3C
TH-W
6.3
32.5
3.4
6.3
25
7.5
0.75
1.5
50
E3062C
FU-308S
3G
TH-W
8
210
60
35
30
15
60
30
FU-309S
3G
TH-W
17
590
200
100
28
15
200
30
FU-32J
                        
FU-32T
                        
FU-33
3G
10
10
1
35
4
0.5
0.3
30
833A, 833C
FU-431S
3G
TH-W
22
102
30
12.5
50
15
4.5
20
25
G-431
FU-433S
3G
TH-W
33
210
100
32
45
15
12.5
60
6
G-433
FU-500F
3G
TH-W
5
13.5
0.48
5.2
5.5
4
0.5
120
4X500A
FU-501
3G
TH-W
10
13.5
1.5
35
4
0.6
0.45
30
FU-505S
3G
TH-W
12.6
35
5
15
30
7.2
5
110
FU-507F
3C
TH-W
7.5
104
22
40
20
7
  
12
160
3CX10000A3
FU-508F
3C
TH-W
5
10.5
2.6
55
200
4
  
1.5
250
3CX1500A7
FU-50B
                        
FU-50J
                        
FU-5F
3G
TH-W
12.6
23
3.5
15
70
5
2.5
110
GU-5B
FU-5S
3G
TH-W
12.6
23
3.5
15
70
5
2.5
110
GU-5A
FU-605
3G
TH-W
6.3
32.5
2.5
6.7
48
6
0.6
0.8
50
6T51
FU-60F
3G
TH-W
5
185
10
20
10
6
  
10
220
8F66R
FU-60Z
3G
TH-W
5
185
10
20
10
6
  
10
6166
FU-610F
3C
TH-W
6.3
65
5
  
50-90
6
  
4
110
FU-611F
3C
TH-W
7.5
51.5
10
  
22
5.5
2
2.67
110
3CX2500A3
FU-612F
3C
TH-W
7.5
51.5
10
  
22
5.5
2
2.67
75
3CX2500F3
FU-613F
3C
TH-W
7.5
51.5
10
  
22
5.5
2
2.67
75
3CX2500FH3
FU-614F
4C
oxide
6
4.7
1.1
  
9
3
0.6
30
4CX600J
FU-720F
4C
TH-W
4
78
2.72
70
11
5
2.4
3.5
250
7F71RA
FU-724F
3C
TH-W
6
50
3.5
  
50-90
6
  
2.5
110
  
FU-724S
3C
TH-W
6
50
3.5
  
50-90
6
  
2.5
110
  
FU-727F
3C
TH-W
6
35
2
  
50-90
6
  
2.5
110
  
FU-728F
oxide
9
8
2.5
  
3-5.3
3.2
  
1.2
110
  
FU-8001S
3C
TH-W
7.5
102
20
50
7
  
12
30
GK-5A
FU-81J
                        

 

   
   
   
   
    Power Grid tubes (FU-22S - FU-81J)
   
   


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