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Power - Triode ·Triode

ZD1000F

Forced-air-cooled modulating power triode for audio or RF amplification through approximately 60 MHz, modulation, and voltage-stabilizer service. Kilowatt-class anode dissipation supports substantial professional power and control applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B5F
Base pins
5
Nominal heater
-

Description

Forced-air-cooled modulating triode with 1 kW anode dissipation for AF or RF power amplification up to 60 MHz, modulation and voltage-stabilizer service.

Socket description

Giant 5-contact all-glass base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B5F
Base pins
5
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

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.03 S
Max plate voltage
400 V
Max plate dissipation
1000 W

Semantically matched promoted fields only.

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

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum Plate Dissipation

    1000 W

  • Maximum Frequency

    60 MHz

Data set 02

1966 Tesla Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • of

    7 to 7.5 V

  • If

    28 A to 34 A

  • Ua (Wa

    400 W

  • Ua (Wa < 400 W) max.

    4 kV

  • Ua (Wa

    600 W

  • Ua (Wa < 600 W) max.

    3 kV

  • Ua (Wa =

    1000 W

  • Ua (Wa = 1000W) max.

    2 kV

  • Ua sp max.

    6 kV

  • Wa max.

    1 kW

  • Wg max.

    25 W

  • f max.

    60 Mc/s

Capacitance

  • Cg/k

    38.5 pF

  • Ca/k

    2.6 pF

  • Ca/g

    17 pF

Characteristic

  • S

    30 mA/V

  • IC

    8 A