TUBE TH 4T 4100

GENERAL DESCRIPTION


photo TH 4T 4100 The TH 4T 4100 is a tetrode cooled by natural or forced air used as an oscillator, AF or RF amplifier operating up to 30 MHz at full load.

Its high thermal inertia anode can dissipate up to 2 kW.
picture TH 4T 4100


TECHNICAL SPECIFICATIONS
ELECTRICAL
Type of cathode Thoriated tungsten
Heating Direct
Filament voltage 12.6 V ± 5 %
Filament current, approx. 35 A
Interelectrode capacitances, approx. :
 - input
 - output
 - control grid-anode

60 pF
14 pF
0,6 pF
Amplification factor g1 - g2, avg. 8
Transconductance (Ia = 800 mA) 16 mA/V
MECHANICAL
Base Special
Operating position Vertical, anode connector up or down
Anode cooling Radiation cooled
Glass bulb maximum temperature 250 °C
Electrode terminals maximum temperature 175 °C
Glass bulb cooling depending on average anode dissipation :
 - below 1000 W
 - above 1000 W

Natural convection
Forced air : 4 m3/mn
Net weight 2.2 kg
Specifications may change without notice

THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS
Manufacturer Transmitter specifications Power in kW
AME ENE 1470 30


THIS TUBE IS AVAILABLE FROM
Manufacturer Rebuilder Distributor





PRICE LEVEL (US$)
1 2 3 4 5 6
0 - 10 10 - 100 100 - 1000 1000 - 10,000 10,000 - 50,000 50,000 - 100,000