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Tube Tinker — Electron Tube Database
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Voltage Pentode ·Pentode

3ZH1BV

Rugged indirectly heated miniature pentode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
3.15 V / 440 mA

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
3.15 V
Nominal heater current
440 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 0

Pentode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Typical Va 120 V, Ia 8 mA, anode power 1.2 W, Vg2 120 V; gm printed 4.8 mA/V.

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 Russian Receiving

Published operating points and test conditions from this source.

SECTION 0

Pentode

Characteristic

  • Plate Voltage

    120 V

    Typical anode voltage

Other

  • Heater/filament voltage

    3.15 V

    Heater voltage

  • Heater/filament current

    440 mA

    Heater current