GL8559

Ruggedized hydrogen thyratron electrically equivalent to GL7390 but strengthened for severe shock and vibration.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

Ruggedized hydrogen thyratron electrically equivalent to GL7390 except for enhanced shock and vibration ratings.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: -
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: 33000 V
Max cathode current: 4 A

Hydrogen thyratron. Supplied GL8559 sheet states it is electrically the same as GL7390 except for shock/vibration ratings; GL7390 peak/average switching ratings are retained as referenced characteristics.

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

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

Thyratron

CrossReference

Electrical cross-reference
GL7390

Construction

Device technology
Hydrogen thyratron

Other

Peak anode voltage
33000 V
Pulse
Average anode current
4 A
Peak anode current
2000 A
Pulse
Vertical shock intensity
80 g
Vertical shock duration
11 ms
Horizontal shock intensity
60 g
Horizontal shock duration
11 ms
Vertical vibration frequency range
10 to 55 Hz
Vertical vibration total displacement
0.06 in
Horizontal vibration frequency range
10 to 55 Hz
Horizontal vibration total displacement
0.06 in
Shock specification
MIL-STD-202B Method 205B
Vibration specification
MIL-STD-202B Method 201A

Characteristics

Anode dissipation factor
30000000 W*us
Pulse

Application

Application
High-power radar pulse modulator switching