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Hexode ·Hexode

6GU5

Beam hexode designed specifically for VHF radio-frequency amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B12C
Base pins: 12
Nominal heater: 6.3 V / 220 mA

Description

Beam hexode for VHF RF-amplifier service.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B12C
Base pins: 12
Nominal heater voltage: 6.3 V
Nominal heater current: 220 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 screen dissipation: 0.15 W
Max cathode current: 20 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

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Hexode

Other

Heater voltage
6.3 V
Heater current
220 mA
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
Noise figure
5.7 dB
200MHz
Maximum plate voltage
300 V
Maximum screen voltage
150 V
Maximum cathode current
20 mA
Plate dissipation
3 W

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