1204

Pentode documented with nominal and typical operating conditions and associated with the 7AB7 family. Available source material supports conventional sharp-cutoff signal amplification without a stronger specialized functional identity.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: 8
Nominal heater: 6.3 V / 150 mA

Description

The 7AB7 is a Pentode vacuum tube as described by the source datasheet.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 150 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

Plate resistance: 500000 Ω
Transconductance: 0.0018 S
Max plate voltage: 300 V
Max screen voltage: 100 V
Max plate dissipation: 1.2 W
Max screen dissipation: 0.15 W

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Heater voltage
7 V
Nominal
Heater current
160 mA
Nominal
Plate voltage
300 V
Typical operating conditions
Screen voltage
100 V
Typical operating conditions