TUBE TH 598

GENERAL DESCRIPTION


photo TH598
  • Output power : 3 kW

  • Operating frequency up to 120 MHz

  • High gain

  • High operation stability thanks to the Pyrobloc grids

  • Maximum anode dissipation 5 kW with Hypervapotron cooling


TECHNICAL SPECIFICATIONS
ELECTRICAL
Type of cathode Thoriated tungsten
Heating Direct, dc or single-phase ac
Heating current, approx. 50 A
Interelectrode capacitances :
 - cathode - control grid
 - control grid - screen grid
 - control grid - anode
 - screen grid - anode

40 pF
75 pF
0.4 pF
11.5 pF
Amplification factor, average 7
Transconductance (Ia = 15 A, Vg2 = 600 V) 40 mA/V
MECHANICAL
Operating position Vertical
Weight, approx. 3 kg
ANODE COOLING
Type Hypervapotron
Maximum anode dissipation 5 kW
Minimum water flow 2 l/min
Maximum pressure at the input of the cooler 5 bar
Maximum water temperature at the output 100 °C
ELECTRODE TERMINAL COOLING
Type Forced air
Cooling with connector :
 - minimum flow

0.5 m3/min
Maximum temperature on the tube (ceramic
seals and electrode terminals)

250 °C
Specifications may change without notice

THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS
Manufacturer Transmitter specifications Power in kW
Telefunken S 4001 100


THIS TUBE IS AVAILABLE FROM
Manufacturer Rebuilder Distributor
Thales Kennetron


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