Alternatives & variations Download PDF datasheet

EC50

Gas-filled grid-controlled thyratron for switching, controlled rectification, industrial control, timing, relay, or pulse service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: B8G
Base pins: 8
Nominal heater: 6.3 V / 1.3 A

Description

Gas-filled control triode/thyratron for pulse and control service.

Socket description

Loctal 8-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B8G
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 1.3 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: 1000 V
Max cathode current: 10 mA

Other section; values semantically promoted from published characteristics/maximum-ratings tables where present.

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

1953 La Radiotechnique

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristic

Indirect (cathode isolee du filament)
6.3 V
Other

Capacitance

Capacite de la grille
67 pF
Other
Capacite de l’anode
42 pF
Other
Capacite anode-grille
28 pF
Other
Capacite grille-filament
15 pF
Other

Other

Tension de l'anode (valeur de crete)
0 V
Other
(valeur de crete)
500 V
Other
Courant anodique (valeur de crete)
750 mA
Other
Courant anodique moyen
10 mA
Other
Resistance du circuit de la grille
0.75 Mohm
Other
Tension entre filament et cathode
100 V
Other
00s e nn 0000 f
150 kHz
Other

Data set 02

1957 Philips Receiving and Amplifying Tubes

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

Maximum Plate Voltage
1000 V
Maximum Cathode Current
10 mA
Peak Anode Voltage
1000 V
Peak Anode-to-Grid Voltage
1500 V
Peak Anode Current
750 mA
Average Anode Current
10 mA
Maximum Frequency
150 kHz

Characteristic

Arc Voltage
33 V
Anode/Grid Voltage Ratio
35

Data set 03

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

Peak voltage between any electrodes maximum
1500 V
Peak anode voltage maximum
1000 V
Average anode current maximum
10 mA
Peak anode current maximum
750 mA

Characteristics

Gas voltage drop
35 V
Control ratio
35

Data set 04

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristic

Striking voltage
33 V

Other

Peak anode voltage
1500 V
Peak anode current
750 mA
Maximum frequency
150 kHz