• High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)
  • High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)
  • High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)
  • High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)
  • High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)
  • High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)

High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)

Encapsulation Structure: Other
Installation: Vertical,Plate Down
Working Frequency: High Frequency
Power Level: High Power
Material: Metal Ceramic
Filament Voltage: 6.3V
Customization:

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  • Dimension(mm)
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Overview

Basic Info.

Model NO.
7T85RB
Filament Current
35A
Amplifcation Factor
21
Max Power
5.1kw
Working Position
Vertical
Max Height
230mm
Max Diameter
130mm
Max Weight
1.5kg
Cooling
Forced Air
Transport Package
Foam Packing
Trademark
SETEC
Origin
China
HS Code
8540890090
Production Capacity
100PCS Monthly

Product Description

Typical Operation:
Frequency 30MHz
Anode voltage 7.5kV
Anode current (0.9-1) A
Output power 5.1kW

Caution for the use:
  1. While move and install the Electron Tube, should be put very carefully, strong vibration and been struck is forbidden.
  2. Electron Tube should be stored in the dry place, the temperature should above -5ºC. For long-term preservation, it should be better sealed in plastic bags and put some dry desiccant in. The filament voltage should be accurate measured, the variation should not beyond 2%(<2%).
  3. Must turn on the cooling system before set up an electric circuit. It should keep turn on the cooling system for 15 minutes after power off. The dust in the cooling air duct system should be cleaned up regularly. The water should keep good quality.
  4. The filament should preheat 30 minutes. The preheat time should be more than 60 minutes for the long-term been storage Electron Tube and first time used Electron Tubes.

7T85RB/FU-947F,  it is metal ceramic structure, carbonization thorium tungsten cathode triode, cooled by forced air. The max working frequency 110MHz, the max anode dissipation power 2.5kW, the max anode output power 5.1kW, the tube is mainly used as the oscillator in industrial high frequency heating equipments.
Electrical Characteristics
Filament Voltage 6.3V
Filament Current 35A
Cutoff voltage -175V
Transconductance 5mA/V
Amplification factor 21
Interelectrode capacitances
Grid -filament 15pF
Anode-grid 13pF
Anode - filament 0.5pF
Operating position Vertical
Cooling Forced air
Air flow rate anode 250m³/h
Inlet air temperature 45ºC
Max Diameter 132mm
Max Height 219mm
Weight 1.5kg
 
Dimension(mm)

High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)

Product Picture

High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB) Limit Working Conditions:

Frequency 110MHz
Anode Voltage 8kV
Anode dissipation 2.5kW
Grid dissipation 130W
Max filament voltage 6.3V
Min filament voltage 5.7V
Min warm up time 2min

Typical Operation:
Frequency 30MHz
Anode voltage 7.5kV
Anode current (0.9-1) A
Output power 5.1kW

Caution for the use:
  1. While move and install the Electron Tube, should be put very carefully, strong vibration and been struck is forbidden.
  2. Electron Tube should be stored in the dry place, the temperature should above -5ºC. For long-term preservation, it should be better sealed in plastic bags and put some dry desiccant in. The filament voltage should be accurate measured, the variation should not beyond 2%(<2%).
  3. Must turn on the cooling system before set up an electric circuit. It should keep turn on the cooling system for 15 minutes after power off. The dust in the cooling air duct system should be cleaned up regularly. The water should keep good quality.
  4. The filament should preheat 30 minutes. The preheat time should be more than 60 minutes for the long-term been storage Electron Tube and first time used Electron Tubes.
Product Description

7T85RB,FU-947F is a 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.
Certifications

High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)

Packaging & Shipping

High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)

FAQ
High Frequency Metal Ceramic Electronic Tube Vacuum Triode (7T85RB)

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OEM/ODM Availability
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