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5559

Grid-controlled gas thyratron for industrial power switching and controlled rectification. Published ratings support substantial controlled-current service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: B4
Base pins: 4
Nominal heater: 5 V / 4.7 A

Description

5559 is listed in the supplied Amperex material as a grid-controlled gas thyratron. Published ratings and operating characteristics were captured from the supplied table.

Socket description

European 4-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B4
Base pins: 4
Nominal heater voltage: 5 V
Nominal heater current: 4.7 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: 2.5 A

Published maximum ratings and device-specific characteristics are promoted where schema-compatible; remaining switching/gauge/regulator electrical data is retained in section parameters.

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

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

Heater or filament voltage
5 V
Section1
Heater or filament current
4.5 A
Section1
Peak forward voltage maximum
1000 V
Thyratron
Peak inverse voltage maximum
1500 V
Thyratron
Peak anode current maximum
15 A
Thyratron
Average anode current maximum
2.5 A
Thyratron
Maximum grid voltage
-500 V
Thyratron

Characteristic

Filament heating time
300 s
Thyratron
Tube voltage drop
16 V
Thyratron
Ionization time
10 µs
Thyratron
Deionization time
1000 µs
Thyratron

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristic

Filament voltage
5 V
ThyratronService
Filament current
4.5 A
ThyratronService
Filament heating time
300 s
ThyratronService
Tube voltage drop
16 V
ThyratronService
Deionization time
10 us
ThyratronService

Other

Maximum peak forward voltage
1000 V
ThyratronService
Maximum peak inverse voltage
1500 V
ThyratronService
Maximum peak anode current
15 A
ThyratronService
Maximum average anode current
2.8 A
ThyratronService
Maximum grid voltage
-500 V
ThyratronService

Data set 03

1971 English Electric Valve

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

Peak forward anode voltage
1 kV
Peak inverse anode voltage
1.5 kV
Peak anode current
15 A
Mean anode current
2.5 A
Cathode preheating time
5 min

Data set 04

1971 RCA HB3 Binder 2 of 7

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristics

Voltage
5 V
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Current
4.5 A
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Ionization Time (Approx.)
10 s
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Deionization Time (Approx.) 1000
1000 s
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Anode Voltage Drop (Approx.) 16
16 V
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
resistor finegotmsl -0 — published value 1
0
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
resistor finegotmsl -0 — published value 2
220
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
COND.~AERCURY TEMPERATURE RANGE'
40 C
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
TEMPERATURE SHOU1..0
0
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
COND-MERCVRY TEMPERATURE=40~C
40
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
GRID RESISTOR OHMS)=0
0 ohm
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
TYPE 5559
5559 V
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
CONDENSED-MERCURY TEMPERATURE=40•C
40
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
GRID RESISTOR (OHMS)=0
0 ohm
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Heater or filament voltage nominal
5 V
Nominal value from supplied datasheet.
Heater or filament current nominal
4.5 A
Nominal or average value from supplied datasheet.

Other

Forward
1000 V
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Inverse
1000 V
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Before Conduction
-500 V
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
During Conduction
-10 V
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Average`"
2.5 mA
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Fault, for 0.1 sec. maximum — published value 1
0.1 mA
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
Fault, for 0.1 sec. maximum — published value 2
200 mA
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.
OPERATING FREQUENCY
150 mA
Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.