RD 20 ZA Tesla Electron tube Triodo
$0.00
The RD 20 ZA is a water cooled glass/metal power triode with an integral water jacket for frequences up to 30 MHz. The RD 20 ZA is primarily intended for use in industrial generators. The maximum anode dissipation rating is 20 kW
RD 20 ZA
HEATING DATA
Filament voltage
v,n 12,5 v
Filament curent If 110 A
Cathode thoriated tungsten, direkt heating
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For allowed tolerances and other Nmitations see the General part of the catalogue.
MAXIMUM RATINGS
Anode voltage Va 15 kV
Anode mean current . la 5 A
Grid mean current Ig 1 A
Anode dissipation Wa 20 kW
Control grid disspation Wgl 2,5 kW
Operatin frequency
GENERAL DATA
Electrical
Interelectrode capactances
f 30 MHz
C., 170 pF
Ca 65 pF
Transconductance Cx 2,5 PF
(at Va = 10 kV, I, = 1,5 A) s 15 mAN
Amplification factor
(at Va = 7 to 10 KV, I,=1A) H 30
Emission current
(atV,-V9i =Vg2 = 35OV)
Mechanical
Mounting positron
le min.
vertical ( anode down )
45 A
Weight approx. 12 kg
Cooling – water
Anode
Electrode terminals
water flow
(input temperature 20 °C) low velocity air flow
13 Umin.
Maximum temperature of electrode terminals 180 «C
of glass bub 160 cC
of water at the outlet 65 cC
For other fmilation see the General part.
Detalles
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