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Specialized - Thyratron ·Thyratron

PL5557

Mercury-vapor thyratron for relay, alarm/protection, and controlled-rectifier service. Grid triggering controls substantial power.

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

Description

Mercury-vapour thyratron for relay, alarm/protection and controlled-rectifier 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
5 V
Nominal heater current
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

Thyratron

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
5000 V
Rectifier forward voltage drop
2 V
Rectifier warm-up time
5 s

Mercury-vapour thyratron for relay, alarm/protection and controlled-rectifier 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

Thyratron

Characteristic

  • Heizung : direkt If

    5 A

    | Heizung : direkt If = 5.0 A

Capacitance

  • Capacitances Cag

    3.3 pF

    Capacitances | Capacitances Cag = 3.3 pF

  • Kapazitaten Cgk

    5 pF

    Capacitances | Kapazitaten Cgk = 5.0 pF

Other

  • Varc

    12 V

    Typical characteristics | Varc 12 V

  • Peak anode voltage

    2500 V

    Limiting values | Vap = ma.. 2500 V

  • Peak inverse anode voltage

    5000 V

    Limiting values | Va invp = max. 5000 V

  • Grid voltage

    10 V

    Limiting values | _Vg = max. 10 V1 )

  • Iap (f <

    25 Hz

    Limiting values | Iap (f < 25 c/s) max. 1A

  • Iap (f <

    1 A

    Limiting values | Iap (f < 25 c/s) max. 1A

  • Iap (f ?

    2 A

    Limiting values | Iap (f ? 25 c/a) = max. 2A

  • Anode current

    15 s

    Limiting values | Ia (Tav = max. 15 s)= max. 0.5 A

  • Anode current

    500 mA

    Limiting values | Ia (Tav = max. 15 s)= max. 0.5 A

  • Grid current

    15 s

    Limiting values | Ig (Tav = max. 15 s)= max. 0.05 A

  • Grid current

    50 mA

    Limiting values | Ig (Tav = max. 15 s)= max. 0.05 A

  • trig

    -80 degC

    Limiting values | trig = 35-80 °C

  • Surge current

    0.1 s

    Limiting values | Isurge (T=max.0.1 s) = max. 40 A

  • Surge current

    40 A

    Limiting values | Isurge (T=max.0.1 s) = max. 40 A

  • L (VA VA VA VAYAY

    4 V

    Limiting values | L (VA VA VA VAYAY4 V.

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristics

  • Heating : direct Ve

    2.5 a

    Heating : direct Ve = 2,5 V

  • Capacitaaces Cag

    3.3 a

    Capacitaaces Cag = 3,3 pF