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Diode (NOT rectifier) ·Diode-Diode

EB11

Indirectly heated twin diode with two separate cathodes, intended for detector and rectifier applications in receiving equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
P8A
Base pins
8
Nominal heater
6.3 V / 200 mA

Description

Indirectly heated twin diode with two cathodes.

Socket description

European 8-pin side-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
P8A
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
200 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

2 physical sections, each with unique specifications.

Section 1

Diode

X-ray radiationInterelectrode capacitances
Max plate voltage
200 V
Rectifier peak inverse voltage
200 V
Rectifier nominal output current
0.8 mA

Published Telefunken ratings and characteristics promoted from the supplied source.

Section 2

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical diode section added in approved section-structure reconciliation.

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

Diode

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    200 mA

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Diode

Characteristics

  • Heater voltage

    6.3 V

  • Heater current

    200 mA

Other

  • Maximum diode voltage

    200 V

  • Maximum diode current

    0.8 mA

Capacitance

  • Diode 1 to cathode capacitance

    3.3 pF

  • Diode 2 to cathode capacitance

    1 pF