3CX20000H3, it is a triode of metal ceramic structure, Thorium tungsten cathode, middle amplification factor, cooled by forced air, working Frequency (Max.) 110MHz. Max plate dissipation power 20kW, the triode is mainly used in industrial oscillators ranging from low frequency to lower and even high frequency, it can also be used in RF modulation modulators or linear amplifiers in broadcasting.
Electrical Characteristics
Filament Voltage |
10V |
Filament Current |
160A |
Interelectrode Capacitances |
Grounded filament |
Input |
70pF |
Feedback |
2.3pF |
Output |
43pF |
Operating position |
Vertical or Plate up and down |
Cooling |
Stem |
Forced air |
Plate |
Forced air |
Weight |
11kg |
Max temperature at any point tube envelope |
250ºC |
Limit Working Conditions:
DC Plate Voltage |
12kV |
DC Plate Current |
8A |
DC Grid Voltage |
-2000V |
DC Grid Current |
1.5A |
Plate Dissipation |
20kW |
Grid Dissipation |
750W |
Typical Operation:
DC Plate Voltage |
7500V |
DC Plate Current |
8A |
DC Grid Voltage |
-800V |
DC Grid Current |
1.4A |
RF Grid Voltage |
-1200V |
Driving Power |
1670W |
Input Power |
60kW |
Output Power |
51kW |
Load Resistance |
480Ω |
Dimension(mm)

Product Picture

Product Description
3CX20000H3 is a metal ceramic RF power supply triode tube designed specifically for industrial applications. This tube uses a coaxial design and metal-ceramic technology. This tetrode may be operated in CW or pulse modes.
For operation in pulse mode, the parameters depend on each equipment characteristics.
We manufacture the following all models.
FC-10FA, FC-10FT, FC-732F, FC-735F, FC-735FT, FC305F, FC311, FC312F, FC620F, FC620FT,FD911S, FD003Z, FD-5S.
FC10FT, FC201F, FC307F, FC307FS, FC308C, FC310C, FC310F, FC502F, FC732F, FC734F, FC735F.
FU-33, FU-833A, 833A, 833C, FU-74F/RY-74B, FU-100F, FU-728F, FU-113F, FU-113FG, FU-998F, FU-5S, FU-62S, FU-610F, FU-610FA, FU-610S, FU-724F, FU-724S, FU-727F, FU-824F, FU-824FA, FU-832F, FU-834F, FU-834FA, FU-836F, FU-924F,FU-924FA,FU-928F,FU-101F,FU-101M,FU-101Z,FU-101C,FU-832C,FU-832FA, FU-832F,FU-832M, FU-917F,FU-917M, FU-307S, FU-74F, FU-250F, FU-252F, FU-946F, FU-947F FU611F, FU612F, FU613F, FU001F, FU104C, FU104Z, FU115F, FU116F, FU252F, FU615F, FU616C, FU617F, FU618F, FU720F, FU820C,FU820F, FU002F, FU617FT, FU-84F, FU-74F, FU-1608C, FU-1608F.
GU84B, GU74B, GU78B.
FM70FT,ML8533, ML8536,YU191B, YU191C, YU-148, YU-108,, YU-148, YU-191B,YL1050, YL1057, YL1631, YL1420,YD1202, YD1212.
BW1184J2F, BW1185J2F, BW1184J, BW1185J, BW1184J2, BW1185J2, BW1608J2F, BW1608J.CQK25-2,CQK50-2.
3CX4500H3,3CX6000A7,3CX2500H3,3CX2500A3,3CX2500F3,3CX3000A7,3CX3000F7,3CX1500D3,3CX10000D3,3CX10000A3,3CX10000A7,3CX10000H3,3CX15000A3,3CX15000A7,3CX15000H3,3CX20000H3,3CX20000A7,3CX800A7,3CPX800A7,3CX1500A7,3CPX1500A7,3CX5000A7,3CPX5000A7,YU-158.
YC-156,YC-156A,YC-179,YC-236,YC-257.
3CW5000F1,3CW5000F3,3CW40000H3,3CW45000H3,3CW20000A7,3CW20000H3,
3CW20000H7,3CW30000H3,3CW30000A7,3CW30000H7.
3CX2500A3,3CX2500F3,3CX2500H3,3CX3000A7, 3CX1500A7, 3CW20000A7.
4CX250B, 4CX250R, 4CX250FG, 4CX800A/RY-74B, 4CX800A, 4CX350A, 4CX350F, 4CX1000A,4CX1500B,4CX3500A,4CW1000A,4CX1500A,4CX3000A,4CX5000A,4CX5000R,4CX7500A,4CX10000D,4CX10000J,4CX15000A,4CX20000C,4CX20000D,4CX20000E,4CV100000C, 4CX250K, 4CX1500A, 4CX3000A, 4CX3500A, 4CX15000A, 4CV100000C, 4CX35000C, 4CX5000A,5CX1500A.
CTK12-4, CTK12-1, CTK15-2, CTK25-4, ITK12-1, ITK3-1, ITK5-1, ITK15-2, ITK30-2, ITK60-2, ITK70-2, ITK90-1, ITL12-1, ITL3-1, ITL5-1, ITL9-1, ITL15-2.
TH5-6, TH6-3A, TH382, TH382, TH584, TH338, TH331, TH537, TH527, TH327, TH582, TH558, TH610, TH375, TH576, TH373, TH328, TH347.
E3061, E3062, E3062E, E3069, E3130.
RS3060CL, RS3060CJ, RS3021CJ, RS3026CJ, RS3040CJ, RS3041CJ, RS3041CJ, RS3040CJ, RS3060CJC, RS3021, RS2048CJ, RS2048CJC, RS1034SK, RS1034SL, RS1072C, RS2054SK.
8560AS, 928F,836F, 8741, 7T85, 7T69, 8F75R, 7F71RA, 8F68R.
6T51, 6T58RA, 7T62R, 7T62RE, 7T85RB, FU-947F, 7T69RB, 7T84RB, 7T69RB, 8T25RA, 8T85B, 8T85RB, 8T87RB, 8F76R, 8T69JB.
SK300 Socket, SK1300 Socket, SK2210 Socket, SK184 Socket.
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