Specialized - Thyratron ·Thyratron
Gas-filled grid-controlled thyratron for switching, controlled-rectifier, relay, motor-control, oscillator, or pulse service as documented by the manufacturer.
The Western Electric 355A is a argon and mercury-filled thyratron for controlled switching service.
Medium-shell UX 4-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Thyratron; published conduction ratings mapped to applicable rectifier-like fields.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Maximum Instantaneous Anode Current
16 A
Maximum Average Anode Current
4 A
Maximum Averaging Time
15 s
Maximum Operating Anode Voltage
350 V
Data set 02
Published operating points and test conditions from this source.
Maximum Time Averaging Anode Current
15 s
Maximum Instantaneous Grid Current
50 mA
Operating Temperature Minimum
-20 C
Operating Temperature Maximum
80 C
Nominal Deionization Time
1000 us
Data set 03
Published operating points and test conditions from this source.
RequiredHeatingTime
45 s
Approximate Tube Voltage Drop
15 V
NominalDeionizationTime
1000 us
MaximumPeakVoltageAnodeToGrid
350 V
MaximumInstantaneousAnodeCurrent
16 A
MaximumAverageAnodeCurrent
4 A
MaximumAveragingTimeAnodeCurrent
15 s
MaximumInstantaneousGridCurrent
50 mA
OperatingCondensedMercuryTemperature
-20 to 80 degC