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Diode (NOT rectifier) ·Diode-Diode

6EB5

Miniature double diode suited to low-current applications including full-wave rectification and general signal rectifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
6BT
Socket code
-
Base pins
9
Nominal heater
6.3 V / 300 mA

Description

Miniature double diode suited to a wide variety of low-current applications, including full-wave rectification.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
6BT
Socket code
-
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

6BT - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN11KAK — Cathode

Original EIA label 1K; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 6BT

PIN22PBP — Plate (Anode)

Original EIA label 2P; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 6BT

PIN3H—H — Heater

Original EIA label H; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 6BT

PIN4H—H — Heater

Original EIA label H; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 6BT

PIN52KBK — Cathode

Original EIA label 2K; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 6BT

PIN6ISAIS — Internal Screen

Original EIA label IS; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 6BT

PIN71PAP — Plate (Anode)

Original EIA label 1P; independent manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 127, 6BT

Section ratings

2 physical sections, each with unique specifications.

Section 1

Diode

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
550 V
Rectifier nominal output current
12 mA
Rectifier peak forward current
40 mA
Rectifier forward voltage drop
10 V
Rectifier max heater-cathode voltage
330 V

Published promoted fields populated from the printed semantic headings.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • AC Plate Supply Voltage Per Plate

    200 V

    RMS

  • DC Output Voltage

    255 V

    Full-wave rectifier

  • Input Filter Capacitance

    8 uF

    Full-wave rectifier

Capacitance

  • Plate Input Capacitance

    2.3 pF

    Each section

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Diode

Characteristic

  • Diode Voltage Drop

    10 V

    DiodeCurrent=11mA;EachPlate

Other

  • Peak Inverse Plate Voltage

    550 V

    EachUnit

Data set 03

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • Steady state peak plate current

    40 mA

    EachPlate

  • DC output current

    5.5 mA

    EachPlate

Characteristic

  • Forward voltage drop

    10 V

    PlateCurrent=11mA;EachPlate

Data set 04

196X Cintel

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • Heater Voltage

    4 V

    Nominal published value

  • Heater Current

    1 A

    Nominal published value

  • Modulator to all other electrodes

    25 pF

    Published direct interelectrode capacitance

  • Each Y Plate to all other electrodes

    13 pF

    Published direct interelectrode capacitance

  • One X to one Y Deflector Plate

    2.5 pF

    Published direct interelectrode capacitance

  • Cathode to all other electrodes

    25 pF

    Published direct interelectrode capacitance

Construction

  • Focusing Method

    Electrostatic

    Published focusing method

  • Deflecting Method

    Electrostatic

    Published deflection method