4058B

Single-ended water-cooled triode replacing 4058-A, documented by Standard Valves with electrical constants, limiting conditions, and applicable operating data.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

4058B is a single-ended water-cooled triode; replaces 4058-A. The Standard Valves sheet publishes construction, electrical constants, limiting conditions, and applicable operating data.

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: -
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

Plate resistance: 4800 Ω
Transconductance: 0.0054 S
Amplification factor: 26
Max plate voltage: 14000 V
Max plate dissipation: 12000 W
Max grid dissipation: 250 W
Max cathode current: 2.5 A

Published ratings and characteristics promoted from approved datasheet.

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

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Grid-anode capacitance
34.5 pF
Published capacitance
Anode-filament capacitance
0.4 pF
Published capacitance
Grid-filament capacitance
27 pF
Published capacitance