6K3

Russian metal variable-mu pentode designed for intermediate- and high-frequency amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 300 mA

Description

The 6K3 is a metal single-end variable-mmu pentode with indirectly heated cathode intended for intermediate — and high-irequency amplification Heater Voltage e e e, .

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: 6.3 V
Nominal heater current: 300 mA
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

Pentode

X-ray radiationInterelectrode capacitances

Transconductance: 0.002 S
Max plate dissipation: 4.4 W
Max screen dissipation: 0.44 W

Electrical characteristics/rating tables read in full; English favored.

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 Russian

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Heater
63 V
Heater Voltage e e e, . . 63V
Heater
275395 mA
Heater Current oL 275395 mA
Plate
12 mA
Plate Current e e v e . . . 65—12 mA
Published electrical parameter
3 V
First-Grid Voltage e e e e —3 V
Screen
1634 mA
Second-Grid Current S 1634 mA
Transconductance
24 mA/V
Transconductarnce e s o .. 16—24 mANV
Published electrical parameter
-72 pF
Input e 48—-72 pF
Published electrical parameter
4 W
“Output o« . 4w . .. . . 52'88 pF
Published electrical parameter
88 pF
“Output o« . 4w . .. . . 52'88 pF
Plate
3 pF
Grid to Plate . . . . . ., . . max. 0003 pF
Source symbol on
2 A
taneously on 2 and more electrodes under operating conditions

Other

Plate
-336 V
Maximum Plate Voltage L -336V
Screen
140 V
Maximum Second-Grid Voltage .. . . . . 140V
Heater
69 V
Maximum Heater Voltage Variation . . b57—69V
Plate
44 W
Maximum Plate Dissipation e e e . .. 44 W
Screen
44 W
Maximum Second-Grid Dissipation ... . 044 W