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Hexode ·Hexode

2GU5

Beam hexode designed for VHF radio-frequency amplifier service, a two-volt-heater version of the 6GU5.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B7G
Base pins: 7
Nominal heater: 2.4 V / 600 mA

Description

Beam hexode; 2-volt heater version of 6GU5 for VHF RF-amplifier service.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B7G
Base pins: 7
Nominal heater voltage: 2.4 V
Nominal heater current: 600 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

Hexode

X-ray radiationInterelectrode capacitances

Plate resistance: 165000 Ω
Transconductance: 0.0155 S
Max plate voltage: 300 V
Max screen voltage: 150 V
Max plate dissipation: 3 W
Max cathode current: 20 mA

Electrical characteristics of 6GU5 except heater.

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

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Hexode

Other

Heater voltage
2.4 V
Heater current
600 mA
Heater warm-up time
11 s
Peak heater-cathode voltage
200 V
BothPolarities
Plate voltage
275 V
ClassA
Grid No.3 voltage
135 V
ClassA
Grid No.1 voltage
-0.4 V
ClassA
Plate current
10 mA
ClassA
Grid No.3 current
0.17 mA
ClassA

Characteristic

Plate resistance
165000 ohm
ClassA
Transconductance
15500 uS
ClassA

Capacitance

Grid No.1-to-plate capacitance
0.018 pF
Input capacitance
7 pF
Output capacitance
3.2 pF

Application

Application
VHF beam-hexode RF amplifier