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Specialized - Ignitron ·IgnitronPowerSwitch

PL5559

Mercury-vapor thyratron for relay, DC motor-speed control, regulated rectifiers, and ignitron firing. Its heavy heater supports substantial switching.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5 V / 4.5 A

Description

Mercury-vapour thyratron for relay, DC motor-speed control, regulated rectifiers and ignitron firing.

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
5 V
Nominal heater current
4.5 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 plate voltage
1000 V
Max cathode current
2.5 A
Rectifier peak inverse voltage
1000 V
Rectifier peak forward current
40 A
Rectifier forward voltage drop
2 V

Mercury-vapour thyratron for relay, DC motor-speed control, regulated rectifiers and ignitron firing.

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

  • Heizung ; indirekt If

    4.5 A

    | Heizung ; indirekt If = 4.5A

Capacitance

  • Capacitances Cag

    3.6 pF

    Capacitances | Capacitances Cag = 3.6 pF

  • Capacitds

    7.8 pF

    Capacitances | Capacitds - = 7.8 pF

Other

  • Typical characteristics Varc

    12 V

    Typical characteristics | Typical characteristics Varc = 12 V

  • Stifte

    1 a

    Typical characteristics | Stifte 1 and 4 Heizfaden. Stift 2 KatodenrUckleitung

  • Peak anode voltage

    1000 V

    Limiting values | Vap = max. 1000 V

  • Peak inverse anode voltage

    1000 V

    Limiting values | Va invp = max. 1000 V

  • Grid voltage

    500 V

    Limiting values | -Vg = max. 500 V

  • Grid voltage

    10 V

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

  • Peak cathode current

    5 A

    Limiting values | Ikp (f < 25 c/a) = max. 5 A

  • Peak cathode current

    15 A

    Limiting values | Ikp (f = 25 c/a) = max. 15 A

  • Cathode current

    15 s

    Limiting values | Ik (Tav max. 15 s) = max. 2.5 A

  • Cathode current

    2.5 A

    Limiting values | Ik (Tav max. 15 s) = max. 2.5 A

  • Grid current

    15 s

    Limiting values | Ig (Tav= max. 15 s) = max. 0.25 A

  • Grid current

    250 mA

    Limiting values | Ig (Tav= max. 15 s) = max. 0.25 A

  • Surge current

    0.1 s

    Limiting values | Isurge (T=max.0.1 s) = sax.. 200 A

  • Surge current

    200 A

    Limiting values | Isurge (T=max.0.1 s) = sax.. 200 A

  • Peak cathode current

    40 A

    Limiting values | Ikp = max. 40 A3)

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Characteristics

  • Heater voltage

    5 V

  • Heater current

    4.5 A

  • Heating : indirect Ve

    5 a

    Heating : indirect Ve = 5,0 V + 5%

  • Capacitznces Cag

    3.6 a

    Capacitznces Cag = 3,6 PP

  • Heating : indiract Ve

    5 a

    Heating : indiract Ve = 5,0 V + 5%

  • —|Pins 1 and 4 heater, pin 2 cathode return

    2 s

    —|Pins 1 and 4 heater, pin 2 cathode return

  • 3 In firing circuits of ignitrons

    3 s

    3 In firing circuits of ignitrons