Physical Condition:

The tube appears to be in clean physical condition. There are a few scratches apparent at the base of the tube and a small nick on, on the glass, on the top of the tube. Please review all photos, of the physical chassis, glass, tube before purchasing. We do our very best to describe our test equipment and welcome any questions. Please note that the unit is sold-as-is do to previous use and age. The tube has not been tested by us.

Description:

ABRIDGED DATA

Deuterium-filled, fast recovery, tetrode thyratron, specifically designed for operation under medical linac conditions. A reservoir operating from the cathode heater supply is incorporated.

Peak forward anode voltage ............................. 33 kV max Peak anode current ...................................... 1000 A max Average anode current:

continuous operation.....................................1.25 Amax intermittent operation .................................... 2.2 A max

GENERAL

Electrical

Cathode (connected internally
to mid-point of heater)..................................oxide coated

Heater voltage ............................................... 6.3 + 0.2 V − 0.3

Heater current ................................................... 22
Tube heating time (minimum) ............................. 5.0 min

Mechanical

Overall length........................317.5 mm (12.500 inches) max Overall diameter .....................84.12 mm (3.312 inches) max Net weight................................... 0.7 kg (1.5 pounds) approx Mounting position (see note 1)......................................... any Base ...... pin spacing as B5F; metal shell with micalex insert Top cap (see note 2)........................................... BS448-CT3

Cooling ...................................................................... natural