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Power - Beam Single (NOT sweep) (under 10W) ·BeamPower

5A170K

High-transconductance beam tetrode developed for general-purpose wide-band amplification, providing compact power gain over a broad frequency range.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 300 mA

Description

The 5A170K is an indirectly heated high-transconductance beam tetrode developed for general-purpose wide-band amplification.

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
6.3 V
Nominal heater current
300 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

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.0165 S
Max plate voltage
210 V
Max screen voltage
175 V
Max plate dissipation
3.3 W
Max screen dissipation
0.9 W
Max cathode current
25 mA

Wide-band beam tetrode.

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

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Anode Voltage

    180 V

  • Screen Voltage

    150 V

  • Anode Current

    13 mA

  • Screen Current

    3 mA

  • Input Capacitance

    7.9 pF

  • Output Capacitance

    2.94 pF

  • Anode-to-Grid Capacitance

    0.03 pF

    Maximum