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Specialized - Thyratron ·Thyratron

CH1097

Zero-bias hydrogen crowbar thyratron for high-voltage protection, capable of approximately 2.5 kA peak current at around 25 kV.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: 8
Nominal heater: 6.3 V / 23 A

Description

Zero-bias hydrogen crowbar thyratron for high-voltage protection, capable of about 2500 A peak current at 25 kV.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 23 A
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: 30000 V
Max cathode current: 3000 A
Rectifier forward voltage drop: 300 V
Rectifier warm-up time: 900 s

Published ratings and characteristics mapped semantically; identical repeated sections compressed.

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

Heater voltage
6.3 V
Heater current
23 A
Cathode heater current minimum
20 A
Cathode heater current bogey
23 A
Cathode heater current maximum
40 A
Reservoir voltage minimum
3.5 V
Reservoir
Reservoir voltage maximum
6 V
Reservoir
Peak cathode current
2500 A
Pulse
Average cathode current
500 mA
DC anode voltage maximum forward
25000 V
DC anode voltage maximum inverse
5000 V
Grid signal voltage minimum
1400 V
Grid signal voltage maximum
2500 V
Grid impedance minimum
20 ohm
Grid impedance maximum
50 ohm

Characteristic

Anode delay time maximum
0.6 us
Anode voltage drop minimum
50 V
Anode voltage drop maximum
300 V

Data set 02

1966 Tung Sol Electronic Tubes 3 of 4

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

Cathode heater voltage minimum
6 V
Cathode heater voltage nominal
6.3 V
Cathode heater voltage maximum
6.6 V
Cathode heater current minimum
20 A
Cathode heater current nominal
23 A
Cathode heater current maximum
40 A
Reservoir voltage minimum
3.5 V
HydrogenReservoir
Reservoir voltage maximum
6 V
HydrogenReservoir
Reservoir current maximum
12 A
HydrogenReservoir
DC anode forward voltage minimum
7 kV
CrowbarService
DC anode forward voltage maximum
25 kV
CrowbarService
DC anode inverse voltage maximum
5 kV
CrowbarService
Peak cathode current
2500 A
CrowbarService
Average cathode current
5 A
CrowbarService
Conduction time per fault
0.1 s
CrowbarService
Averaging time
50 s
CrowbarService
Grid signal voltage minimum
1400 V
Trigger
Grid signal voltage maximum
2500 V
Trigger
Grid impedance minimum
20 ohm
Trigger
Grid impedance maximum
50 ohm
Trigger
Ambient temperature minimum
-55 degC
Ambient temperature maximum
75 degC

Characteristic

Cathode heating time
15 min
Reservoir heating time
15 min
HydrogenReservoir
Recovery time
50 us
CrowbarService
Grid voltage rate of rise
2500 V/us
Trigger
Anode delay time
0.6 us
Trigger
Anode voltage drop minimum
50 V
Conducting
Anode voltage drop maximum
300 V
Conducting

Construction

Gas fill
Hydrogen

Application

Application
Crowbar protection circuit
HighVoltagePowerSupplyProtection