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Specialized - Ignitron ·IgnitronPowerSwitch

5551A

Water-cooled steel-jacketed mercury-pool ignitron for resistance-welding control, designed to switch very high currents reliably in heavy industrial welding equipment.

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

Description

Water-cooled steel-jacketed 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

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 3400 amperes — published value 1

    3400 V

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

  • At peak anode current of 3400 amperes — published value 2

    26 V

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

  • At peak anode current of 176 amperes — published value 1

    176 V

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

  • At peak anode current of 176 amperes — published value 2

    13 V

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

  • Minimum inlet water temperature

    10

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

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

    250 V

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

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

    600 V

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

  • tional Lo supply voltage. For supply voltages lower than 250 volts,

    250 V

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

  • the values for 250 volts apply

    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.

  • current and averaging time are each inversely proportional to suDD 1 Y

    1

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

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

    250 V

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

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

    250 V

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

  • RMS ANODE- SUPPLY VOLTS= 250 TO 600 — published value 1

    250 V

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

  • RMS ANODE- SUPPLY VOLTS= 250 TO 600 — published value 2

    600 V

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

Other

  • Maximum outlet water temperature

    40

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

  • Maximum water-temperature rise

    4

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

  • Maximum pressure drop

    2.5

    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.

  • Inverse

    500 V

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

  • Peak

    700 mA

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

  • of 6 seconds maximum) — published value 1

    6 mA

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

  • of 6 seconds maximum) — published value 2

    40 mA

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

  • ond maximum

    8750 mA

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

  • Forward — published value 1

    1200 V

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

  • Forward — published value 2

    1200 V

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

  • Inverse — published value 1

    1200 V

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

  • Inverse — published value 2

    1200 V

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

  • Peak — published value 1

    135 mA

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

  • Peak — published value 2

    600 mA

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

  • onds maximum) — published value 1

    22.5 mA

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

  • onds maximum) — published value 2

    5 mA

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

  • ond maximum) — published value 1

    22.5 mA

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

  • ond maximum) — published value 2

    100 mA

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

  • second maximum — published value 1

    7500 mA

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

  • second maximum — published value 2

    7500 mA

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

  • Forward — published value 1

    1500 V

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

  • Forward — published value 2

    1500 V

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

  • Inverse — published value 1

    1500 V

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

  • Inverse — published value 2

    1500 V

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

  • Peak — published value 1

    108 mA

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

  • Peak — published value 2

    480 mA

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

  • onds maximum) — published value 1

    18 mA

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

  • onds maximum) — published value 2

    4 mA

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

  • ond maximum) — published value 1

    18 mA

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

  • ond maximum) — published value 2

    80 mA

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

  • second maximum — published value 1

    6000 mA

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

  • second maximum — published value 2

    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

    1130 mA

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

  • Peak — published value 2

    3400 mA

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

  • duction)# — published value 1

    800 mA

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

  • duction)# — published value 2

    2400 mA

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

  • onds maximum)# — published value 1

    56 mA

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

  • onds maximum)# — published value 2

    30.2 mA

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

  • second maximum — published value 1

    6720 mA

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

  • second maximum — published value 2

    6720 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

    466 mA

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

  • Peak — published value 2

    1410 mA

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

  • duction)# — published value 1

    333 mA

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

  • duction)# — published value 2

    1000 mA

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

  • second maximum — published value 1

    2800 mA

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

  • second maximum — published value 2

    2800 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.

  • onds maximum)# — published value 1

    36 mA

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

  • onds maximum)# — published value 2

    21 mA

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

  • Peak — published value 1

    466 mA

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

  • Peak — published value 2

    1410 mA

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

  • duction)~ — published value 1

    333 mA

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

  • duction)~ — published value 2

    1000 mA

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

  • onds maximum)` — published value 1

    36 mA

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

  • onds maximum)` — published value 2

    21 mA

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

  • second maximum — published value 1

    925 mA

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

  • second maximum — published value 2

    2800 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.