6E7

Remote-cutoff RF pentode for variable-gain Class-A amplification with broad automatic-volume-control range.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 7H
Socket code: B7G
Base pins: 7
Nominal heater: 6.3 V / 300 mA

Description

Remote-cutoff RF pentode for variable-gain Class-A amplification. Published maximum ratings, characteristics, and representative operating conditions were extracted from the approved source page where available.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 7H
Socket code: B7G
Base pins: 7
Nominal heater voltage: 6.3 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

7H - 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

Plate resistance: 800000 Ω
Transconductance: 0.0016 S
Max plate voltage: 300 V
Max screen voltage: 100 V

Remote-cutoff RF pentode for variable-gain Class-A amplification.

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 General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate voltage
250 V
ClassA
Screen voltage
100 V
ClassA
Control-grid bias magnitude
3 V
ClassA
Plate current
8.2 mA
ClassA
Screen current
2 mA
ClassA
Plate resistance
800000 ohm
ClassA
Transconductance
1600 uS
ClassA

Characteristics

Input capacitance
5.2 pF
Output capacitance
6.8 pF
Grid-to-plate capacitance
0.001 pF