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Power - Triode ·Triode

5930

Rugged power-amplifier triode designed for applications involving severe vibration and shock, providing dependable output-stage service under demanding mechanical conditions.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
4D
Socket code
UX4
Base pins
4
Nominal heater
2.5 V / 2.5 A

Description

Rugged power-amplifier triode designed for applications involving severe vibration and shock.

Socket description

Medium-shell UX 4-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
4D
Socket code
UX4
Base pins
4
Nominal heater voltage
2.5 V
Nominal heater current
2.5 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

4D - 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
800 Ω
Transconductance
0.00525 S
Amplification factor
4.2
Max plate voltage
360 V
Max plate dissipation
15 W

Low-mu power triode; Class A operating point is 250 V plate, -45 V grid, 60 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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Filament Voltage (ac or dc) ...... e e 2.5 volts

    2.5 V

    Filament Voltage (ac or dc) ...... e e 2.5 volts

  • Filament Current ...............cc.uu... C e e e 2.5 amps

    2.5 A

    Filament Current ...............cc.uu... C e e e 2.5 amps

  • Filament Voltage (ac or de¢) ........ e e 2.5 volts

    2.5 V

    Filament Voltage (ac or de¢) ........ e e 2.5 volts

  • Plate Voltage Sdc) .......... et 250 volts

    250 V

    Plate Voltage Sdc) .......... et 250 volts

  • Plate Voltage Sdc) Ceeiee. L I A ) e 250 volts

    250 V

    Plate Voltage Sdc) Ceeiee. L I A ) e 250 volts

  • Grid Voltage(3} (dc) ... ..... oo -45 volts

    -45 V

    Grid Voltage(3} (dc) ... ..... oo -45 volts

  • Plate Load Resistance ......... Ceeas 2,500 ohms

    2.5 ohms

    Plate Load Resistance ......... Ceeas 2,500 ohms

  • Filament Voltage (dc) ....... N 2.5 volts

    2.5 V

    Filament Voltage (dc) ....... N 2.5 volts

  • Grid Voltage!3) (dc) LR .. e -62 volts

    -62 V

    Grid Voltage!3) (dc) LR .. e -62 volts

  • Effective Load Resistance (plate to plate) .. N 3,000 ohms

    3 ohms

    Effective Load Resistance (plate to plate) .. N 3,000 ohms

  • Power Output ----- L I R R T R R R N N e 15 watts

    15 W

    Power Output ----- L I R R T R R R N N e 15 watts

Other

  • Maximum Plate Voltage (de) ... .. iiiiiiiiiann s 360 volts

    360 V

    Maximum Plate Voltage (de) ... .. iiiiiiiiiann s 360 volts

  • Maximum Plate Dissipatlon ........civuvennesn. e e 15 watts

    15 W

    Maximum Plate Dissipatlon ........civuvennesn. e e 15 watts

  • Maximum Grid-Circuit Resistance {fixed bias) ......... 50,000 ohms

    50 ohms

    Maximum Grid-Circuit Resistance {fixed bias) ......... 50,000 ohms

Data set 02

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate Voltage

    250 V

    ClassA

  • Grid Voltage

    -45 V

    ClassA

  • Plate Current

    60 mA

    ClassA

  • Load Resistance

    2500 ohm

    ClassA

  • Power Output

    3.5 W

    ClassA