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Ceramic Vacuum Electron Tube YD1212/BW1185J2,Power Triode Tube YD1212/BW1185J2

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Type YD1212 tube is a high power cermet structure, direct heat thorium tungsten cathode, high power water cooled triode. The maximum anode dissipation power is 120kW, the maximum anode DC voltage is 16.8kV, and the maximum operating frequency is 100MHz. Mainly used for industrial high frequency oscillator.

characteristic parameter

Filament voltage... 12.6 V

The filament current... 380A

Transconductance (Ia=10A).................... ≥190mA/V

Amplification factor... 40

Eectrode capacitance:

The anode and grid... 60pF

The cathode and gate... 185pF

The cathode and anode... 3pF

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

Maximum height... 408mm

A maximum diameter of... 191mm

Weight (about)... 15.6 kg

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

Cooling way... water-cooling

Water connection thread............ Inch standard pipe thread 1 "casing and seal maximum temperature................ 240 ℃ or less

Limit operating condition

Frequency... 100MHz

Anode DC voltage....................... 16.8 kV

Dc current anode... 25A

Anode input power........................ 375kW

Anode loss... 120kW

Grid DC voltage....................... -2000V

Grid DC current

Add load... 7A

Do not add load... 8.5 A


The dissipation power grid... 3kW

The grid current impedance... 10 k Ω

The anode dissipation power... 81.5 kW