PL5551A

Water-cooled ignitron for single- and three-phase welding control with provision for thermostatic protection.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Description

Water-cooled ignitron for single- and three-phase welding control with provision for thermostatic protection.

General specifications

Properties common to every published source and operating point.

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

1 physical section, each with unique specifications.

Section 1

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Water-cooled ignitron for single- and three-phase welding control with provision for thermostatic protection.

Source-dependent data

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

Published operating points and test conditions from this source.

SECTION 1

t o-ti(q
4 degC
Typical characteristics | t o-ti(q = 4 1/min.) = max. 4 °C
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
T(lsurge) = max
0.15 s
Welding service | T(lsurge) = max.0.15 sec
Ignitor current
100 A
Limiting values | IF. = max. 100 A
pour un temps d'amorgage de
100 µsec
Ignitor characteristics | pour un temps d'amorgage de 100 µsec u max.. di/dt =

Firing current
-8 A
Ignitor characteristics | Firing current = 6-8A
l'amorg
4 a
Ignitor characteristics | l'amorg4age 12 A
l'amorg
12 A
Ignitor characteristics | l'amorg4age 12 A
Vc Dens lea conditions de i'onctionnement
50 V
Ignitor characteristics | Vc Dens lea conditions de i'onctionnement = 650±50 V
(conduction time
5 s
Intermittent rectifier service | (conduction time 05sec
Peak inverse anode voltage
1200 V
Intermittent rectifier service | Va fwd =Va invp=1200V

Data set 02

Published operating points and test conditions from this source.

SECTION 1

Montage : vertical,la connexionde 1'anode en haut
1 a
Montage : vertical,la connexionde 1'anode en haut
1)When the cooling systems of the tubes are connected in
1 W
1)When the cooling systems of the tubes are connected in
2) When a number of tubes is cooled in series, ti_._ 1is
2 W
2) When a number of tubes is cooled in series, ti_._ 1is
3) tm
3 a
3) tm = temperature of thermostat mount
Ignitor connector. Unfolded length 330 mm , ,
330 nf
Ignitor connector. Unfolded length 330 mm , ,
Montage : vertical, la connexion de 1l'anode en haut
1 a
Montage : vertical, la connexion de 1l'anode en haut
For mains voltages between 250 V and 600 V, Tgy is
600 ma
For mains voltages between 250 V and 600 V, Tgy is
Ohmic resistance of series inductance (1 mH)
1 Ohm
Ohmic resistance of series inductance (1 mH)
Chmic resistance of 60 uH inductance
60 s
Chmic resistance of 60 uH inductance
M7 onduction time 0.5sec ] I
0.5 s
M7 onduction time 0.5sec ] I

2) Max. average current of each tube at max. demand
2 Ma
2) Max. average current of each tube at max. demand
3) Max. demand at max. average current
3 Ma
3) Max. demand at max. average current
1) Max. average current at max. peak current
1 Ma
1) Max. average current at max. peak current
2) Max. peak current at max. average current
2 Ma
2) Max. peak current at max. average current
time of max. 100 usec, di/dt
0.12 ma
time of max. 100 usec, di/dt = min. 0.12 A/usec)
time of max. 100 psec, di/dt
0.12 ma
time of max. 100 psec, di/dt = min. 0.12 A/usec