High voltage power supplies

one Metal Ceramic Planar Triode , NSN 5960-12-165-6996High Power, High Precision Special Purpose TYP (more)E  for Professional and MIL SPECS - Application i.e. in AIRBORNE  PULSE RADAR DEVICES Manuf.  THOMSON TUBES / THALES / EADS Model: YD 1048 manufactured 07/2003 by THOMSON TUBES ELECTRONIQUES ( FRANCE ) ; 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 the tubes are all packed in sealed TULBS with moisture protection and will be delivered in this TULBwe have > 50 units available.....see PHOTO .... please ask for special offer for larger quantities as you can see on the PHOTO of the Purchase document, the tubes were bought for a price of > 900 Euros / per unit description:  ( DATASHEET available as pdf with email, please ask if you want to get one ) metal ceramic construction ..........high power planar triode....... Forced- AIR-cooled......Oxide-cathode; Gold Plated Contactsmax. frequency > 3.5 GHzuse 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 Apulsed plate voltage.................................................................8.5 kV ( cold 10 kV )average anode current............................................................. 50 mAanode dissipation...................................................................... 250 Wgrid voltage.................................................................................. - 200 Vaverage grid current.................................................................. 18 mAgrid dissipation........................................................................... 1.5 Wmaximum anode temperature................................................. 200 °Cmaximum enveloppe temperature......................................... 250 °Ctransconductance ( 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 Tube is BRANDNEW Originally Packed ......  out of NEW PRODUCTION ; The LOT from which 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