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Rectifier - Full Wave ·Rectifier-Rectifier

Z2B

Directly heated full-wave rectifier containing two rectifying systems for receiver power supplies. Its four-volt filament provides moderate current for conventional radio and electronic AC-to-DC conversion.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
G7K
Base pins
-
Nominal heater
4 V / 1.6 A

Description

Directly heated full-wave rectifier with two rectifying systems for receiver power supplies.

Socket description

EU-Telephone 7-pin

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
G7K
Base pins
-
Nominal heater voltage
4 V
Nominal heater current
1.6 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

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances
Plate resistance
500 Ω
Rectifier nominal output current
100 mA

Representative section for two full-wave rectifier systems.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier nominal output current
100 mA

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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater voltage

    4 V

    Published nominal value

  • Heater current

    1.6 A

    Published nominal value

  • Internal resistance per section

    500 ohm

    At 80 mA per section; less than 0.5 kOhm

Other

  • Transformer voltage

    400 V

    Per anode; source prints 2 x 400 V

  • Maximum DC output current

    100 mA

    Published limit

SECTION 2

Rectifier

Characteristics

  • Heater voltage

    4 V

    Published nominal value

  • Heater current

    1.6 A

    Published nominal value

  • Internal resistance per section

    500 ohm

    At 80 mA per section; less than 0.5 kOhm

Other

  • Transformer voltage

    400 V

    Per anode; source prints 2 x 400 V

  • Maximum DC output current

    100 mA

    Published limit

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • igxC3

    27 A

  • W,

    40 W

  • Steilheid (max.) ... .S,

    45 mA

  • Inwendige weerst. (min.) Ri,,,;,

    49000 ohm