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12BH7[Under Construction]

 

 

 

 

 

 

 

12BH7 is A.F. Double Triode

 

download data sheet

Quick reference data

  •     Anode current Ia=11,5mA

  •     Transcoductance S=3,1mA/V

  •     Amplification m=16,5

Heating

Heating is indirect by AC or DC, with serial or parallel supply. 

Heater voltage  Vf  6,3 12,6 (V)
Heater current  If  0,6 0,3 (A)

Dimensions and connections

Base: Noval

 

Typical characteristics and operating conditions

  Class A1 amplifier Vertical deflection amplifier  
Anode voltage Va 250 350 (V)
Grid voltage Vg -10,5   (V)
Anode current Ia 11,5 16 (mA)
Transconductance S 3,1 3,1 (mA/V)
Amplification m 16,5 16,5  
Anode resistance (approx.) Ra 5,3   (kW)
Cathode bias resistor Rk   560 (kW)
Grid input voltage Peak to peak sawtooth component Vpp   25 (V)
Negative peak component Vp   32
Anode output voltage Peak positive pulse component Vp   670 (V)
Peak to peak sawtooth component Vpp   230

Maximum ratings

  Class A1 amplifier Vertical deflection amplifier  
Anode voltage Va 300 450 (V)
Peak positive plate voltage     1500 (V)
Anode dissipation 
(each section)
Wa 3,5 3,5 (W)
Peak negative pulse grid voltage     250 (V)
Average cathode current (each section)   20 20 (mA)
Peak cathode current     70 (mA)
Grid circuit resistance fixed bias   0,25   (MW)
cathode bias   1 2,2

 


 

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Copyright 2002 Ei Elektronske Cevi DOO
Last modified: 09.12.2002