3CX4500F3 or YU-108, it is metal ceramic structure triode with thorium tungsten cathode, and middle amplification factor, it is cooled by forced air, working frequency (Max.) 75MHz, the max anode dissipation power 6kW, the grid dissipation power 300W, it is mainly used as oscillator in industrial high frequency heated equipments.
Electrical Characteristics
| Filament Voltage |
7V |
| Filament Current |
78A |
| Amplification Factor |
22 |
| Interelectrode capacitances |
| Grounded filament |
| Input |
35pF |
| Output |
20pF |
| Feedback |
0.9pF |
| Frequency |
75MHz |
| Operating position |
Vertical |
| Cooling |
Forced air |
| Max temperature anode core |
250ºC |
| Filament tube line and the highest temperature |
150ºC |
| Max height |
468.3mm |
| Max Dimeter |
155.58mm |
| Weight |
4.3kg |
Limit Working Conditions:
| RF power amplifier or oscillator (C class telegraph or frequency modulator) |
| DC Anode Voltage |
9000V |
| DC Grid Voltage |
-1000V |
| DC Anode Current |
3A |
| DC Grid Current |
0.8A |
| Grid Dissipation |
300W |
| Anode Dissipation |
6 kW |
Typical Operation:
| RF Power amplifier or oscillator (C-Class) |
| Anode Voltage |
8000Vdc |
| Anode Current |
2.75Adc |
| Grid Voltage |
-705Vdc |
| Grid Current |
0.68Adc |
| Peak Grid Voltage |
346V |
| Driving Power |
710W |
| Anode Input Power |
22kW |
| Anode Dissipation |
4.8kW |
| Anode Output Power |
15kW |
| Load Resistance |
1437Ω |
| Grid Resistance |
1040Ω |
Product Picture
Dimension(mm)
Product Description
YU-108,3CX4500F3 is a Ultra-High Frequency metal ceramic electronic tube triode 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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