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Power - Triode (over 1000V 100W) ·Triode

211C

Transmitting power triode of the 211 family, intended principally for RF amplifier and oscillator service while also supporting modulation or audio power applications. Its ratings reflect high-voltage, substantial-power operation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
JUMBO4B
Base pins
4
Nominal heater
10 V / 3.25 A

Description

The Amperex HF130 is a radiation-cooled transmitting triode intended for RF power amplifier/oscillator and AF power amplifier/modulator service.

Socket description

Super Jumbo 4-pin bayonet

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
JUMBO4B
Base pins
4
Nominal heater voltage
10 V
Nominal heater current
3.25 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

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
2800 Ω
Transconductance
0.0045 S
Amplification factor
12.5
Max plate voltage
1250 V
Max plate dissipation
125 W
Max cathode current
175 mA

Maximum ratings and characteristic constants promoted where reliably published in the approved 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

193X Taylor Transmitting

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Filament Voltage

    10 V

    Nominal published value

  • Filament Current

    3.85 A

    Nominal published value

  • Maximum Operating Plate Voltage

    1500 V

    Class C oscillator / RF power-amplifier service where published

  • Maximum Plate Dissipation

    100 W

    Published maximum rating

  • Plate to Grid, mmf

    9 pF

    Published direct interelectrode capacitance

  • Gride to Filament, mmf

    6 pF

    Published direct interelectrode capacitance

  • Plate to Filament

    4 pF

    Published direct interelectrode capacitance

Characteristics

  • Plate Resistance

    2800 ohm

    Published general characteristic

  • Mutual Conductance

    4500 µS

    Published general characteristic

  • Amplification Factor

    12.5

    Published general characteristic

Data set 02

1940 Taylor Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Plate-to-grid capacitance

    9 pF

  • Plate-to-filament capacitance

    8.5 pF

Data set 03

1945 United Electronics

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Filament voltage

    10 V

  • Filament current

    3.25 A

Other

  • Maximum direct plate voltage

    1250 V

  • Maximum plate dissipation

    125 W

  • Maximum direct plate current

    175 mA

Data set 04

1953 Amperex

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater/Filament Voltage

    10.25 V

    Published datasheet value

  • Heater/Filament Current

    3.25 A

    Published datasheet value

  • Maximum Plate/Anode Voltage

    1250 V

    Published datasheet value

  • Maximum Plate/Anode Dissipation

    125 W

    Published datasheet value

Characteristic

  • Transconductance

    4300 µS

    Published datasheet value

  • Amplification Factor

    12.5

    Published datasheet value