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Voltage Pentode ·Pentode

6ZH35B

Russian subminiature pentode for compact small-signal amplifier service with low heater current and modest plate dissipation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
SUBMINIATURE7
Base pins
7
Nominal heater
6.3 V / 127 mA

Description

Russian pentode vacuum tube. Technical characteristics and ratings are taken from the complete filename-matched source entry.

Socket description

Subminiature 7-lead base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SUBMINIATURE7
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
127 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
Transconductance
0.0031 S
Max plate voltage
150 V
Max screen voltage
125 V
Max plate dissipation
0.9 W
Max screen dissipation
0.7 W
Max cathode current
15 mA

Filename-matched Russian source entry only.

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

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater current

    -12 mA

    Translated from Russian source; Ток накала . (127=-12) мА

  • Plate current

    2 mA

    Translated from Russian source; Ток анода . (5,5-=2) мА

  • Screen current

    6.5 mA

    Translated from Russian source; Ток 2-й сетки ‚ . й МН ‚ , <6,5 мА