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Rectifier - TV Line Scan Boost ·Rectifier

3CZ3

Half-wave high-voltage vacuum rectifier designed explicitly for pulsed television high-voltage service. It rectifies flyback-derived pulses to generate the elevated DC supply required by the picture tube.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
6
Nominal heater
3.15 V / 480 mA

Description

Half-wave high-voltage vacuum rectifier for pulsed television high-voltage service. The supplied RCA datasheet was reviewed for heater data and all additional ratings or characteristics printed on the sheet.

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
6
Nominal heater voltage
3.15 V
Nominal heater current
480 mA
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
Rectifier peak inverse voltage
38000 V
Rectifier nominal output current
2.2 mA
Rectifier peak forward current
110 mA
Rectifier forward voltage drop
60 V

Published section ratings promoted where explicitly available; additional source values retained in parameter rows.

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 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater Voltage, ac — published value 1

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Heater Voltage, ac — published value 2

    3.15 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Heater Current at Eh=3.15 V — published value 1

    3.15 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Heater Current at Eh=3.15 V — published value 2

    0.48 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Warm-up Time

    4

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Direct Interelectrode Capacitance:°

    0

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Instantaneous Tube Voltage Drop — published value 1

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Instantaneous Tube Voltage Drop — published value 2

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Instantaneous Tube Voltage Drop — published value 3

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • for Instantaneous Plate Current — published value 1

    0

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • for Instantaneous Plate Current — published value 2

    0

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Inverse Plate Voltage:o — published value 1

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Inverse Plate Voltage:o — published value 2

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Heater Voltage — published value 1

    2.65 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Heater Voltage — published value 2

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Heater Voltage — published value 3

    3.65 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • current issue of EIA Standard RS-191 — published value 1

    0

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • current issue of EIA Standard RS-191 — published value 2

    -191

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • As defined in the current issue of EIA Standard RS-239 — published value 1

    0

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • As defined in the current issue of EIA Standard RS-239 — published value 2

    -239

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • This rating is applicable when the duration of the voltage — published value 1

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • This rating is applicable when the duration of the voltage — published value 2

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • This rating is applicable when the duration of the voltage — published value 3

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Pin 2 -Heater

    2

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Pin 7 -Heater, Cathode, — published value 1

    7

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Pin 7 -Heater, Cathode, — published value 2

    0

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • High Voltages. The high voltages at which the 3CZ3 — published value 1

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • High Voltages. The high voltages at which the 3CZ3 — published value 2

    3 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • High Voltages. The high voltages at which the 3CZ3 — published value 3

    3 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • X-Radiation. Operation of the 3CZ3 with a plate volt — published value 1

    3 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • X-Radiation. Operation of the 3CZ3 with a plate volt — published value 2

    3 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • X-Radiation. Operation of the 3CZ3 with a plate volt — published value 3

    0 V

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • duction o~ X-radiation which can constitute a health — published value 1

    0

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • duction o~ X-radiation which can constitute a health — published value 2

    0

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • duction o~ X-radiation which can constitute a health — published value 3

    0

    Published datasheet value; multiple numbers on a row represent separate source limits or conditions.

  • Instantaneous tube voltage drop

    60 V

    Explicitly published rectifier rating/characteristic.

Other

  • Peak inverse plate voltage

    38000 V

    Explicitly published rectifier rating/characteristic.

  • Peak plate current

    110 mA

    Explicitly published rectifier rating/characteristic.

  • Average plate current

    2.2 mA

    Explicitly published rectifier rating/characteristic.