Batch(5) THALES YD1048 RADAR Planar Triode BRANDNEW Spare Parts (July 2003 )

one BATCH of 5 pieces
Metal Ceramic Planar Triode , High Power, High Precision Special Purpose TYPE  for Professional and MIL SPECS - Application i.e. in AIRBORNE DEVICES

Manuf.  THOMSON TUBES / THALES / EADS

Model YD 1048

NSN 5960-12-165-6996

manufactured 07/2003; NEW and originally packed - see PHOTO

the here offered tube has much higher specs and reliability than the normal on the market available YD1048s from SIEMENS or others, which are out of old stocks and have been manufactured in the 1970s

description:  ( DATASHEET available as pdf with email, please ask if you want to get one )

metal ceramic construction ..........high power planar triode.......AIR-cooled......Oxide-cathode
max. frequency > 3.5 GHz
use for RF - amplifiers, grid-or plate- pulsed oscillators, frequency- multipliers, switching of high plate voltages
high amplification factor and trans-conductance; special in frequency stability

filament with indirect heating  ( Vf)........................................6.3 V....1.35 A
pulsed plate voltage.................................................................8.5 kV ( cold 10 kV )
average anode current............................................................. 50 mA
anode dissipation...................................................................... 250 W
grid voltage.................................................................................. - 200 V
average grid current.................................................................. 18 mA
grid dissipation........................................................................... 1.5 W
maximum anode temperature................................................. 200 °C
maximum enveloppe temperature......................................... 250 °C
transconductance ( S ) ............................................................. 25 mA / V ( typical )
amplification factor ( my)........................................................... 105 ( typical ) to 150 ( max)
capacitances -  1 MHz capacitance bridge - ......................... Kg1 = 8.8 to 9.8 pF..............g1A = 1.8 to 2.1 pF...............KA = 0.037 pF

The Tubes are BRANDNEW Originally Packed ......  out of NEW PRODUCTION ;
The LOT we offer, was manufactured  in July 2003;
so tube will be delivered with our 2 years Warranty

we have many of these tubes in our stock.... please ask for a pecial offer for larger Quantities