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Specialized - Ignitron ·IgnitronPowerSwitch

5552A

High-current water-cooled mercury-pool ignitron designed for resistance-welding control, providing controlled conduction of very large industrial welding currents.

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

Description

High-current water-cooled mercury-pool ignitron for resistance-welding control. The supplied RCA datasheet was reviewed for published ratings, electrical characteristics, operating conditions, timing/capacitance data, and application-specific limits.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
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
Max plate voltage
500 V
Max cathode current
5 A

Published maximum ratings and device-specific characteristics are promoted where schema-compatible; remaining switching/gauge/regulator electrical data is retained in section parameters.

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

1971 RCA HB3 Binder 2 of 7

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Characteristics

  • Peak ignitor voltage required to fire

    200 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Peak ignitor current required to fire

    30 A

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • or current

    100 s

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • At peak anode current of 6800 amperes — published value 1

    6800 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • At peak anode current of 6800 amperes — published value 2

    28 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • At peak anode current of 440 amperes — published value 1

    440 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • At peak anode current of 440 amperes — published value 2

    14 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Minimum inlet water temperature

    10 C

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Inverse

    500 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • I For supply voltages between 250 volts and 600 volts, duty is proportion— — published value 1

    250 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • I For supply voltages between 250 volts and 600 volts, duty is proportion— — published value 2

    600 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • al to Supply voltage. For supply voltages lower Lhan 250 volts, the

    250 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • values for 250 volts aDDIY•

    250 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • '~ For supply voltages between 250 volts and 600 volts, demand anode — published value 1

    250 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • '~ For supply voltages between 250 volts and 600 volts, demand anode — published value 2

    600 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • voltage. For 5upp1Y voltages lower than 250 volts, the values for — published value 1

    5 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • voltage. For 5upp1Y voltages lower than 250 volts, the values for — published value 2

    250 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • 250 volts apply

    250 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

Other

  • Maximum outlet water temperature

    40 C

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Maximum water-temperature rise

    6 C

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Maximum pressure drop

    6

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Forward

    500 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Peak

    1600 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • 6 seconds maximum) — published value 1

    6 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • 6 seconds maximum) — published value 2

    100 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • ond maximum

    6000 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • SUPPLY VOLTAGE (RMS) — published value 1

    250 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • SUPPLY VOLTAGE (RMS) — published value 2

    250 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Peak — published value 1

    2260 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Peak — published value 2

    6800 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • duction)# — published value 1

    1600 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • duction)# — published value 2

    4800 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • onds maximum)# — published value 1

    140 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • onds maximum)# — published value 2

    75.6 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • 0.15 second maximum — published value 1

    0.15 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • 0.15 second maximum — published value 2

    13450 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • 0.15 second maximum — published value 3

    13450 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • SUPPLY VOLTAGE (RMS) — published value 1

    600 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • SUPPLY VOLTAGE (RMS) — published value 2

    600 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Peak — published value 1

    945 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Peak — published value 2

    2830 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • duction)# — published value 1

    666 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • duction)# — published value 2

    2000 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • onds maximum)# — published value 1

    140 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • onds maximum)# — published value 2

    75.6 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • 0.15 second maximum — published value 1

    0.15 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • 0.15 second maximum — published value 2

    5600 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • 0.15 second maximum — published value 3

    5600 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • conduction) — published value 1

    1600 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • conduction) — published value 2

    4800 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • onds maximum)M

    43 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • SUPPLY VOLTAGE (RMS) — published value 1

    600 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • SUPPLY VOLTAGE (RMS) — published value 2

    600 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • conduction) — published value 1

    666 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • conduction) — published value 2

    2000 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • onds maximum)M — published value 1

    80 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • onds maximum)M — published value 2

    43 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Negative

    5 V

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Peak

    100 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • of 5 seconds maximum) — published value 1

    5 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • of 5 seconds maximum) — published value 2

    1 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Column 2 re pre 5ents operation at maximum demand current — published value 1

    2 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.

  • Column 2 re pre 5ents operation at maximum demand current — published value 2

    5 mA

    Published datasheet value; multiple values on one row represent separate limits, service ratings, or operating conditions.