50HC6

Miniature audio-output power pentode with high power sensitivity at low plate voltage and an integral panel-lamp heater tap.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B9A
Base pins: 9
Nominal heater: 50 V / 150 mA

Description

The 50HC6 is a miniature power pentode primarily designed for the audio-frequency power-output stage of radio receivers and featuring a heater tap for a panel lamp, with high power sensitivity at low plate and screen voltages.

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: 50 V
Nominal heater current: 150 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

Plate resistance: 11000 Ω
Transconductance: 0.0146 S
Max plate voltage: 150 V
Max screen voltage: 130 V
Max plate dissipation: 5.5 W
Max screen dissipation: 2 W

Maximum ratings and Class A characteristics promoted from the printed tables.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate Voltage
110 V
ClassA
Screen Voltage
115 V
ClassA
Plate Current
42 mA
ClassA
Screen Current
11.5 mA
ClassA
Load Resistance
3000 ohm
ClassA
Power Output
1.4 W
ClassA
Total Harmonic Distortion
7 %
ClassA