Cathode: indirectly heated, oxide-coated.
Envelope: metalceramic.
Cooling: forced air.
Mass: 3 kg.Environmental parameters
Multiple impacts with acceleration, m/s2 . . . . . 392
Single impacts with acceleration, m/s2 . . . . . . 1470
Ambient temperature, °C . . . . . . . . . . . . -60 to+85
Relative humidity at +35 °C, % . . . . . . . . . . 98
Electrical Parameters
Heater voltage , V . . . . . . . . . . . . . . . . 26
Heater current, A . . . . . . . . . . . . . . . . 7.6-8.4
Residual anode voltage,kV . . . . . . . . . . . . 3.5
Grid voltage, V . . . . . . . . . . . . . . . . . . -200
Peak excess grid voltage, V . . . . . . . . . . . .1150
Negative cut-off voltage, V, not more than . . . . 200
Peak anode current, A, not more than . . . . . . 50
Peak grid current, A, not more than . . . . . . . 7,5
Interelectrode capacitance, pF:
input, not more than . . . . . . . . . . . . . . 210
output, not more than . . . . . . . . . . . . . 30
input-to-output , not more than . . . . . . . 3
Limit operating values
Heater voltage , V . . . . . . . . . . . . . . . . 24,7 - 27.3
Anode voltage, kV . . . . . . . . . . . . . . . . 30
Negative grid voltage, absolute value, V . . . . 300
Peak excess grid voltage, V . . . . . . . . . . 1500
Peak cathode current, A:
at 1/duty factor at least 500 . . . . . . . . . 55
at 1/duty factor at least 1000 . . . . . . . . 77
Dissipation, W:
anode . . . . . . . . . . . . . . . . . . . . 1000
grid . . . . . . . . . . . . . . . . . . . . . 60
Maximum pulse duration at peak cathode
current not more than 7,7A, uS . . . . . . . . 50
Minimum warm up time, S . . . . . . . . . . 30
