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Specialized - Thyratron ·Thyratron

KU99

Compact hydrogen thyratron designed for network-discharge pulse service, providing fast high-current switching in space-conscious pulsed-power equipment.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
SPECIAL4LOWLOSS
Base pins
4
Nominal heater
6.3 V / -

Description

Compact hydrogen thyratron for network-discharge pulse service.

Socket description

Special 4-contact low-loss base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SPECIAL4LOWLOSS
Base pins
4
Nominal heater voltage
6.3 V
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Thyratron

X-ray radiationInterelectrode capacitances
Max plate voltage
3000 V
Max cathode current
35 A

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    2.2-2.7 A

  • Minimum Heating Time

    180 s

Other

  • Maximum Peak Anode Voltage Forward

    3000 V

  • Maximum Peak Anode Voltage Inverse

    3000 V

  • Maximum Peak Anode Current

    35 A

  • Maximum Average Anode Current

    45 mA

  • Maximum RMS Anode Current

    1.25 A

  • Maximum Anode Current Rate of Rise

    750 A/us

  • Typical Peak Power Output

    77.2 kW

  • Pulse Repetition Rate

    2500 pps

  • Pulse Length

    0.5 us