Skip to main content

Power - Triode ·Triode

4316A

Directly heated transmitting power triode intended for RF amplifier, oscillator, or modulator service. Manufacturer operating data emphasize radio-frequency power generation, substantial plate loading, and professional transmitter applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
2 V / 3.65 A

Description

Triode.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
2 V
Nominal heater current
3.65 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
2700 Ω
Transconductance
0.0024 S
Amplification factor
65
Max plate voltage
450 V
Max plate dissipation
30 W

Ratings and characteristics extracted from 4316A.pdf.

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

1937 Standard Valves

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Grid-anode capacitance

    1.6 pF

  • Anode-filament capacitance

    0.8 pF

  • Grid-filament capacitance

    1.2 pF

Other

  • Maximum direct anode current

    80 mA

  • Maximum direct grid current

    12 mA

  • Class C carrier output

    75 W

    450V

Application Data

  • Demonstrated oscillator frequency

    600 MHz

    UHF

Data set 02

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Filament voltage

    2 volts

  • Nominal filament curren

    3.65 amps

  • Impedance

    2700 ohms

  • Mutual conductance

    2.4 mA

Other

  • Maximum direct anode voltage

    450 volts

  • Maximum direct anode curren

    0.08 amps

  • Maximum direct grid curren

    0.012 amps

  • Maximum anode dissipation

    30 watts

  • Direct anode voltage 400

    450 volts

  • Direct anode current 80

    80 mA

  • Direct grid current 12

    12 mA

  • Carrier output 6-5

    7.5 watts

  • Place a

    1000 ohm

  • 2-0 volts to the filament and with the grid leak set a

    15000 ohms

  • remove the

    100 ohm

  • valve as an unmodulated oscillator with an input o

    400 volts