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Specialized - Ignitron ·IgnitronPowerSwitch

PL5545

Xenon-filled power thyratron for motor control and ignitron-firing service. Its massive filament supports heavy controlled gas-discharge current.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
2.5 V / 21 A

Description

Xenon-filled power thyratron for motor control and ignitron-firing service.

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
2.5 V
Nominal heater current
21 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

IgnitronPowerSwitch

X-ray radiationInterelectrode capacitances
Max cathode current
6.4 A
Rectifier peak inverse voltage
1500 V
Rectifier peak forward current
80 A
Rectifier forward voltage drop
2 V
Rectifier warm-up time
0 s

Xenon-filled power thyratron for motor control and ignitron-firing service.

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

1963 Philips Electron Tubes Handbook V3

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Characteristic

  • Ignitor current

    21 A

    | If - 21 A

Capacitance

  • Capacitances Cag

    0.8 pF

    Capacitances | Capacitances Cag = 0.8 pF

  • Capacit

    4 s

    Capacitances | Capacit4s

  • Kanazitgten Cgk

    45 pF

    Capacitances | Kanazitgten Cgk = 45 pF

Other

  • Typical characteristics Varc

    12 V

    Typical characteristics | Typical characteristics Varc = 12V

  • Deionization time

    250 V

    Typical characteristics | Tdion(Vg_250V)= 50 µs

  • Deionization time

    -12 V

    Typical characteristics | Tdion(Vg= -12V)= 500 µs

  • Peak inverse anode voltage

    1500 V

    Limiting values | Va invp = max. 1500 V

  • Grid voltage

    250 V

    Limiting values | -Vg = max. 250 V

  • Grid voltage

    10 V

    Limiting values | -Vg = max. 10 V 1 )

  • Peak cathode current

    80 A

    Limiting values | Ikp = max. 80 A

  • Cathode current

    15 s

    Limiting values | Ik (Tav=iaax. 15 s) = max. 6.4 A

  • Cathode current

    6.4 A

    Limiting values | Ik (Tav=iaax. 15 s) = max. 6.4 A

  • Grid current

    200 mA

    Limiting values | Ig = max. 0.2A2

  • Surge current

    0.1 s

    Limiting values | Isurge(T=max.0.1 s) = max. 1120 A

  • Surge current

    1120 A

    Limiting values | Isurge(T=max.0.1 s) = max. 1120 A

  • Grid resistance

    -100 kohm

    Limiting values | Rg . = 0.5-100 kR

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Characteristics

  • Heater voltage

    2.5 V

  • Heater current

    21 A

  • Heating : direct Ve

    5 a

    Heating : direct Ve = 2,5 V + 5%

  • Capacitances Cag

    0.8 a

    Capacitances Cag = 0,8

  • Capacités Core

    45 a

    Capacités Core = 45

  • Capacitznces Cag

    0.8 a

    Capacitznces Cag = 0,8 pF

  • Typicaé characteristics Varce

    12 a

    Typicaé characteristics Varce = 12V