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8T87RB

8T87RB RF Electron Triode Oscillator Oscillation Tube Lamp Power Tube for High Frequency Machine

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$4000.00
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 8T87RB RF Electron Triode Oscillator Oscillation Tube Lamp Power Tube for High Frequency Machine

Type 8T87RB tube is a high power cermet structure, direct heat carbide thorium tungsten cathode, forced air cooled triode. It is mainly used for oscillating and amplifying in industrial high frequency medium heating equipment.

Characteristic parameter

Filament voltage... 8V

The filament current... 200A

Transconductance (Ia=10A).................... ≥16mA/V

Amplification factor... 20

Electrode capacitance:

The anode and grid... 60pF

The cathode and gate... 185pF

The cathode and anode... 3pF

Maximum operating frequency........................ 100MHz

Weight (about)... 13kg

Installation method............... Vertical, anode up or down

Cooling way... Air cooling

Limit operating condition

Frequency... 40MHz

Anode DC voltage....................... 8kV

Dc current anode... 2.5 A

Anode output power........................ 13kW

Anode loss... 6kW

Grid power dissipation....................... 0.2 kW

Typical operating condition

The anode voltage... 10kV

Anode current... 4.6 A

Grid current... 0.45 A

The output power... 35kW




Characteristic parameter


Filament voltage... 8V


The filament current... 200A


Transconductance (Ia=10A).................... ≥16mA/V


Amplification factor... 20


Electrode capacitance:


The anode and grid... 60pF


The cathode and gate... 185pF


The cathode and anode... 3pF


Maximum operating frequency........................ 100MHz




Weight (about)... 13kg


Installation method............... Vertical, anode up or down


Cooling way... Air cooling






Limit operating condition


Frequency... 40MHz


Anode DC voltage....................... 8kV


Dc current anode... 2.5 A


Anode output power........................ 13kW


Anode loss... 6kW


Grid power dissipation....................... 0.2 kW


Typical operating condition


The anode voltage... 10kV


Anode current... 4.6 A


Grid current... 0.45 A


The output power... 35kW

      
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