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Voltage Pentode ·Pentode

EL151

Heavy-duty high-power pentode with approximately 800 V plate capability and 60 W plate dissipation for specialized power-amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B5
Base pins
5
Nominal heater
6.3 V / 1.55 A

Description

EL151: pentode valve with published operating data and limiting ratings. The approved German-language datasheet was translated and interpreted by technical meaning.

Socket description

European 5-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B5
Base pins
5
Nominal heater voltage
6.3 V
Nominal heater current
1.55 A
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
Max plate voltage
800 V
Max screen voltage
450 V
Max plate dissipation
60 W
Max screen dissipation
15 W
Max cathode current
250 mA

Published ratings and characteristic constants promoted where applicable.

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

194X Wehrmacht Rohren

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater voltage

    6.3 V

Other

  • Maximum anode voltage

    800 V

  • Maximum anode dissipation

    60 W

  • Maximum cathode current

    250 mA

  • Maximum screen voltage

    450 V

  • Maximum screen dissipation driven

    15 W