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Specialized - Ignitron ·IgnitronPowerSwitch

PL5552

Water-cooled ignitron for single-phase welding control and high-current industrial switching.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
-

Description

Water-cooled ignitron for single-phase welding control; equivalent electrically to PL5552A except for thermostat provisions.

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

IgnitronPowerSwitch

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Water-cooled ignitron for single-phase welding control; equivalent electrically to PL5552A except for thermostat provisions.

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

Other

  • Pi (q

    0.35 kg/cm2

    Typical characteristics | Pi (q = 6 1/min.) = max. 0.35 kg/cm2

  • Mains voltage

    250 V

    Limiting values | 4) For mains voltages between 250 V and 600 V. Tav is

  • Mains voltage

    600 V

    Limiting values | 4) For mains voltages between 250 V and 600 V. Tav is

  • Va fwd p max

    500 V

    Intermittent rectifier service | Va fwd p max. 500V

  • Va iv p = max

    500 V

    Intermittent rectifier service | Va iv p = max. 500 V

  • Iap = max

    1600 A

    Intermittent rectifier service | Iap = max. 1600 A

  • Anode current

    100 A

    Intermittent rectifier service | Ia = max. 100A

  • Iav = max

    6 s

    Intermittent rectifier service | Iav = max. 6 sec

  • Tension d'amorcage = max

    200 V

    Ignitor characteristics | Tension d'amorcage = max. 200 V

Characteristic

  • Firing current

    -8 A

    Ignitor characteristics | Firing current 6-8 A

  • Vc{ Dens lea conditions de fonctionnement

    50 V

    Ignitor characteristics | Vc{ Dens lea conditions de fonctionnement 650*50 V

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Characteristics

  • IGNITRON & refroidissement par 1'eau

    1 s

    IGNITRON & refroidissement par 1'eau

  • IGNITRON & refroidissement par 1l'eau

    1 s

    IGNITRON & refroidissement par 1l'eau

  • Ignitor

    3 w

    Ignitor = 2) 3 w

  • Ignitor [~] 2> 3 a®

    3 a

    Ignitor [~] 2> 3 a®

  • Voltage range 6

    6 V

    Voltage range 6

Other

  • connection will control 1200 kVA at 250 -~

    250 w

    connection will control 1200 kVA at 250 -~

  • connection will control 1200 kVA at 250

    250 w

    connection will control 1200 kVA at 250 -

  • 5 280% of max. demand current (rms value)

    280 %

    5 280% of max. demand current (rms value)

  • Irms

    10 ms

    Irms = max. 10 A

  • 5y 280% of max. demand current (rms value)

    280 %

    5y 280% of max. demand current (rms value)