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Diode (NOT rectifier) ·Diode-Diode

5726

Ruggedized dual diode with separate cathodes for detector, rectifier, switching, and instrumentation service in demanding industrial or communications equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
E7-1
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 300 mA

Description

Ruggedized dual diode with separate cathodes for detector and rectifier service.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
E7-1
Socket code
B7G
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

E7-1 - 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 dissipation
0.25 W
Rectifier peak inverse voltage
360 V
Rectifier nominal output current
10 mA
Rectifier peak forward current
60 mA
Rectifier max heater-cathode voltage
360 V

Representative row for two identical diode sections; design-center ratings are per plate.

Section 2

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical diode section added to match the dual-diode construction and SectionCount=2.

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

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Diode

Application

  • Application

    WideBandDetector text

Data set 02

1957 Philips Receiving and Amplifying Tubes

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • RMS Input Voltage

    117 V

    Rectifier

  • Reservoir Capacitance

    8 uF

    Rectifier

Data set 03

1958 Compagnie General

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • Peak Inverse Voltage

    360 V

    EachSection

  • Filter Input Capacitance

    8 uF

Characteristic

  • Minimum Resonant Frequency

    700 MHz

    EachSection

Data set 04

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Diode

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    300 mA

  • EquivalentDesignation

    EAA901S

Data set 05

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Diode

Characteristics

  • Interelectrode capacitances

    Published

    See source sheet for electrode-specific capacitance values

Data set 06

1960 RCA Industrial and Communications Types

Published operating points and test conditions from this source.

SECTION 1

Diode

CrossReference

  • Prototype / equivalent family

    6AL5

Application

  • Application

    Rectifier / detector

Data set 07

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Diode

Capacitance

  • Plate1 To Plate2 Capacitance

    0.068 pF

    WithoutShield

  • Plate1 To Plate2 Capacitance

    0.026 pF

    WithShield

Data set 08

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Diode

Characteristic

  • Heater voltage

    6.3 V

    Published rating

  • Heater current

    300 mA

    Published rating

Other

  • Maximum RMS plate voltage

    117 V

    TwinDiode

  • Maximum total DC output current

    9 mA

    TwinDiode

  • Maximum peak plate current

    54 mA

    TwinDiode

Data set 09

1963 Philips Electron Tubes Handbook V1

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • AC transformer voltage

    117 V RMS

    HalfWave;EachSection

  • Filter capacitance

    8 µF

    HalfWave;EachSection

  • Series resistance

    300 Ω

    HalfWave;EachSection

  • DC output current

    9 mA

    HalfWave;EachSection

  • Peak inverse voltage maximum

    360 V

    EachSection

  • DC current maximum

    10 mA

    EachSection

  • Peak current maximum

    60 mA

    EachSection

  • Heater-to-cathode voltage maximum

    360 V

    EachSection

Characteristic

  • Resonant frequency approximately

    700 MHz

    EachSection

Data set 10

1963 Philips Electron Tubes Handbook V3

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • AC transformer voltage

    117 V RMS

    HalfWave;EachSection

  • Filter capacitance

    8 µF

    HalfWave;EachSection

  • Series resistance

    300 Ω

    HalfWave;EachSection

  • DC output current

    9 mA

    HalfWave;EachSection

  • Peak inverse voltage maximum

    360 V

    EachSection

  • DC current maximum

    10 mA

    EachSection

  • Peak current maximum

    60 mA

    EachSection

  • Heater-to-cathode voltage maximum

    360 V

    EachSection

Characteristic

  • Resonant frequency approximately

    700 MHz

    EachSection

Capacitance

  • Diode capacitance

    3.2 pF

    EachSection

Data set 11

1966 Tung Sol Electronic Tubes 3 of 4

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • Heater voltage

    6.3 V

  • Heater current

    300 mA

  • Maximum surge current per section

    350 mA

  • AC plate voltage per plate RMS

    117 V

    HalfWave

  • Minimum effective plate-supply impedance per plate

    300 ohm

    HalfWave

  • DC output current per plate

    9 mA

    HalfWave

  • Minimum intermittent heater cycles

    5000 cycles

  • Maximum peak inverse voltage

    360 V

  • Nominal DC output current

    10 mA

  • Maximum peak forward current

    60 mA

  • Maximum heater-cathode voltage

    360 V

Data set 12

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • AC Plate Voltage RMS per Plate

    117 V

    HalfWave EachSection

  • Minimum Plate Supply Impedance

    300 ohm

    HalfWave EachSection

Characteristic

  • DC Output Current per Plate

    9 mA

    HalfWave EachSection

Data set 13

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • AC Input Voltage

    117 V

    HalfWave;PerDiode

Data set 14

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • Rectifier maximum peak inverse voltage

    - to 360 V

  • Rectifier nominal output current

    - to 10 mA

  • Rectifier peak forward current

    - to 60 mA

  • Rectifier maximum heater-cathode voltage

    - to 360 V

  • AC plate-supply voltage per plate RMS

    117 V

  • Minimum effective plate-supply impedance per plate

    300 Ω

  • DC output current per plate

    9 mA

Characteristics

  • Resonant frequency per unit

    700 MHz