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Power - Pentode (NOT beam) ·Pentode

EL3010

Rugged long-life power pentode for audio modulation, RF, and single-sideband linear amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 2.2 A

Description

Long-life rugged high-reliability power pentode for audio modulator, RF and single-sideband power amplifier service.

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: 2.2 A
Parallel heater voltage: 6.3 V
Parallel heater current: 2.2 A
Series capable: Yes

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: 3800 Ω
Transconductance: 0.09 S
Max plate voltage: 800 V
Max screen voltage: 160 V
Max plate dissipation: 40 W
Max screen dissipation: 16 W

Promoted values come from the supplied datasheet; additional ratings, characteristics, and operating points are retained in TUBE_SECTION_PARAMETER.

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

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Plate voltage
170 V
PointA
Screen-grid voltage
110 V
PointA
Plate current
200 mA
PointA
Transconductance
90000 uS
PointA
Plate resistance
3800 Ohm
PointA
Plate voltage
330 V
PointB
Screen-grid voltage
140 V
PointB
Plate current
100 mA
PointB
Transconductance
50000 uS
PointB
Plate resistance
7000 Ohm
PointB

Other

Output power
75 W
ClassB;PushPull;TwoTubes;Va=350V
Output power
87 W
ClassB;PushPull;TwoTubes;Va=400V
Output power
115 W
ClassB;PushPull;TwoTubes;Va=800V
RF output power
50 W
ClassAB;SingleSideband;CCS;Va=500V
RF output power
64 W
ClassAB;SingleSideband;ICAS;Va=500V