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Rectifier - Half Wave ·Rectifier

7019

Directly heated mercury-vapor/gas-filled high-current rectifier for heavy industrial conversion. Its massive filament and low arc voltage provide several amperes of output.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
4
Nominal heater
2.5 V / 18 A

Description

Mercury-vapor or gas-filled high-current rectifier for power-supply service. The supplied datasheet was reviewed for heater/filament data, maximum ratings, operating conditions, capacitances, pulse/RF data, and thermal limits.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
4
Nominal heater voltage
2.5 V
Nominal heater current
18 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

Rectifier

X-ray radiationInterelectrode capacitances
Max cathode current
6.4 A
Rectifier peak inverse voltage
1000 V
Rectifier nominal output current
6.4 A
Rectifier peak forward current
77 A
Rectifier forward voltage drop
9 V

Representative electrical section from supplied RCA data sheet.

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

1957 National Electronics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum DC output current

    6.4 A

  • Maximum instantaneous output current

    77 A

  • Maximum peak inverse voltage

    1000 V

Characteristic

  • Filament heating time

    60 s

  • Typical arc drop

    9 V

  • Typical anode starting voltage

    20 V

Construction

  • Filling

    Argon/mercury vapor

Application

  • Service

    Industrial power rectifier

Data set 02

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Voltage (AC)

    25

    Published datasheet value

  • Current at 2.5 volts — published value 1

    2.5 A

    Published datasheet value

  • Current at 2.5 volts — published value 2

    18 A

    Published datasheet value

  • Current at 2.5 volts — published value 3

    2 A

    Published datasheet value

  • Peak Tube Voltage Drop at anode amperes = 20 — published value 1

    20 A

    Published datasheet value

  • Peak Tube Voltage Drop at anode amperes = 20 — published value 2

    9 A

    Published datasheet value

  • Pin 2 -Filament

    2

    Published datasheet value

  • Pin 3 -Filament

    3

    Published datasheet value

  • Temperature (Approx.)

    30

    Published datasheet value

  • For Bowe r—sugyLy frequency o}

    6

    Published datasheet value

Other

  • Typical Anode Starting Voltage

    20

    Published datasheet value

  • PEAK INVERSE ANODE VOLTAGE

    1 A

    Published datasheet value

  • Peak

    77 mA

    Published datasheet value

  • Peak inverse anode voltage

    1000 V

    Published rectifier rating

  • Maximum average anode/DC output current

    6.4 A

    Published rectifier rating