6H30PIEH

Russian high-current twin triode in a reliability-qualified version, combining low plate resistance and high transconductance for broadband amplifier and demanding electronic applications.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 810 mA

Description

High-current miniature twin triode with equipotential cathodes for low-frequency voltage amplification.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 810 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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Transconductance: 0.018 S
Amplification factor: 15
Max plate voltage: 250 V
Max plate dissipation: 4 W
Max cathode current: 100 mA

Representative section for two electrically identical triodes.

Section 2

Triode

X-ray radiationInterelectrode capacitances

Transconductance: 0.018 S
Amplification factor: 15
Max plate voltage: 250 V
Max plate dissipation: 4 W
Max cathode current: 100 mA

Second identical physical triode section; added to align rows with SectionCount.

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

2026 Electro Harmonix Gold

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Plate Current
30 to 50 mA
Plate 80 V; Cathode resistor 56 ohm

Other

CathodeHeaterVoltageMaximum
400 V