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Voltage - Triode (single high frequency) ·Triode

2HK5

Gain-controlled VHF amplifier triode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
7
Nominal heater
2.3 V / 600 mA

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
7
Nominal heater voltage
2.3 V
Nominal heater current
600 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

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
5000 Ω
Transconductance
0.015 S
Amplification factor
75
Max plate voltage
200 V
Max plate dissipation
2.3 W
Max cathode current
22 mA

VHF amplifier; typical Va 135 V, Vg -1 V, Ia 12.5 mA.

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

1970 Sylvania Technical Manual

Published operating points and test conditions from this source.

SECTION 0

Triode

Other

  • Maximum plate voltage

    200 V

    Maximum plate voltage

  • Heater/filament voltage

    2.3 V

    Heater voltage

  • Heater/filament current

    600 mA

    Heater current

Characteristic

  • Plate Voltage

    135 V

    Typical plate voltage