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Voltage - Dual Triode (similar high frequency) ·Triode-Triode

E88CC

Special-quality long-life twin triode for low-noise VHF cascode amplification and professional service, combining high transconductance with controlled reliability and extended-life characteristics.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
Noval
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 300 mA

Description

E88CC is listed in the supplied Amperex material as a premium-quality twin triode. Published ratings and characteristics were captured from the supplied table.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
Noval
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Noval - 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

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
2600 Ω
Transconductance
0.0125 S
Amplification factor
33
Max plate voltage
220 V
Max plate dissipation
1.8 W
Max grid dissipation
0.03 W
Max cathode current
20 mA

Representative row for repeated identical sections.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
2600 Ω
Transconductance
0.0125 S
Amplification factor
33
Max plate voltage
220 V
Max plate dissipation
1.8 W
Max grid dissipation
0.03 W
Max cathode current
20 mA

Second physical triode section; added to align rows with SectionCount.

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

1953 AEG

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Typical Plate Voltage

    100 V

  • Typical Plate Current

    15 mA

Capacitance

  • GridPlateCapacitance

    1.4 pF

  • Grid Cathode Capacitance

    3.3 pF

Data set 02

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum plate voltage

    220 V

    Published table

  • Plate current

    20 mA

    Published table

  • Maximum cathode current

    100 mA

    SpecialQuality

  • Maximum grid current

    15 mA

    SpecialQuality

Characteristic

  • Plate resistance

    12500 ohm

    Published table

  • Amplification factor

    33

    Published table

  • Heater/filament voltage

    6.3 V

    Published rating

  • Heater/filament current

    300 mA

    Published rating

Data set 03

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    365 mA

Data set 04

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Interelectrode capacitances

    Published

    See source sheet for electrode-specific capacitance values

Data set 05

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater voltage

    6.3 V

    Published rating

  • Heater current

    300 mA

    Published rating

  • Published characteristic value

    3.1

    PremiumQuality

  • Published characteristic value 2

    0.5

    PremiumQuality

Other

  • Maximum plate voltage

    220 V

    PremiumQuality

  • Maximum plate current

    20 mA

    PremiumQuality

Data set 06

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate voltage

    90 V

    EachUnit

  • Plate current

    15 mA

    EachUnit

Characteristic

  • Transconductance

    12500 uS

    EachUnit

  • Amplification factor

    33

    EachUnit

Data set 07

1963 Philips Electron Tubes Handbook V3

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    300 mA

    Published heater rating

  • Transconductance

    12500 µS

    EachTriode

  • Amplification factor

    33

    EachTriode

Other

  • Plate voltage

    90 V

    EachTriode

  • Plate current

    15 mA

    EachTriode

Capacitance

  • Plate-to-cathode capacitance

    1.75 pF

    EachTriode

  • Grid-to-cathode capacitance

    3.1 pF

    EachTriode

  • Grid-to-plate capacitance

    1.4 pF

    EachTriode

Data set 08

1963 Siemens

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Noise figure

    4.6 dB

    200MHz cascode

Other

  • Cathode peak current

    400 mA

    Pulse

Capacitance

  • Inter-section plate capacitance

    45 pF

    Maximum

Data set 09

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Life

    10000 h

    Published datasheet value

  • Heater voltage Vs

    6.3 V

    Published datasheet value

  • Heater current If

    300 mA

    Published datasheet value

  • Anode current Iy

    15 mA

    Published datasheet value

  • Mutual conductance S

    12.5 mA/V

    Published datasheet value

  • Noise factor (f =

    200 MHz

    Published datasheet value

  • Heater voltage V¢

    6.3 V

    Published datasheet value

  • Heater current It

    315 mA

    Published datasheet value

  • Anode supply voltage Vba

    100 V

    Published datasheet value

  • Grid supply voltage Vbg

    9 V

    Published datasheet value

  • Cathode resistor Rg

    680 Q

    Published datasheet value

  • Equivalent noise resistance Req

    300 Q

    Published datasheet value

  • Frequency =

    45 MHz

    Published datasheet value

  • Frequency =

    200 MHz

    Published datasheet value

  • Frequency =

    100 MHz

    Published datasheet value

  • Anode voltage Va

    90 V

    Published datasheet value

  • Anode current I,

    15 mA

    Published datasheet value

  • Cathode resistor Rg

    120 Q

    Published datasheet value

  • Anode current Iy

    12 mA

    Published datasheet value

  • Mutual conductance S

    11.5 mA/V

    Published datasheet value

  • cathode and heater s max

    12 µA

    Published datasheet value

  • heater =

    90 V

    Published datasheet value

  • heater =

    120 V

    Published datasheet value

  • two electrodes ins min

    20 MQ

    Published datasheet value

  • Grid resistor Rg =

    0.5 MQ

    Published datasheet value

  • Cathode to heater Cks

    2.6 pF

    Published datasheet value

  • Ck't

    2.7 pF

    Published datasheet value

  • The tube is subjected during

    32 h

    Published datasheet value

  • during

    10000 h

    Published datasheet value

  • Grid resistor Rg

    47 kQ

    Published datasheet value

  • Anode voltage Vao max

    550 V

    Published datasheet value

  • Anode voltage Va max.,

    400 V

    Published datasheet value

  • Anode voltage Va max

    220 V

    Published datasheet value

  • Anode voltage Va max

    250 V

    Published datasheet value

  • (Max. anode dissipation

    0.8 W

    Published datasheet value

  • Anode dissipation Wa max

    1.5 W

    Published datasheet value

  • Anode dissipation Wa max

    1.8 W

    Published datasheet value

  • of section

    2 W

    Published datasheet value

  • Grid dissipation Wg max

    30 mW

    Published datasheet value

  • Grid voltage -Vg max

    100 V

    Published datasheet value

Data set 10

199X JJ

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Typical Plate Voltage

    90 V

  • TypicalGridVoltage

    -1.3 V

  • Typical Plate Current

    15 mA

  • ZeroCurrentPlateVoltage

    550 V

Characteristic

  • Grid Cathode Capacitance

    3.1 pF

  • Plate Capacitance

    0.18 pF

  • GridPlateCapacitance

    1.4 pF

Data set 11

2026 Genalex Rebrand

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Transconductance

    9000 to 16000 µS

    Plate 90 V; cathode resistor 82 ohm

  • Amplification Factor

    24 to 40

    Plate 90 V; cathode resistor 82 ohm

  • Plate Current

    14 to 18 mA

    Plate 90 V; cathode resistor 82 ohm

Data set 12

2026 JJ Electronic

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Uf

    6.3 V

    Published value

  • If

    300 mA

    Published value

  • Ua

    220 V

    Published value

Characteristics

  • Ua

    90 V

    Published value

  • Ug

    -1.3 V

    Published value

  • Ia

    15 mA

    Published value

  • S

    12500 µS

    Published value

  • Ri

    2.6 kΩ

    Published value

  • µ

    33

    Published value

  • U-k/f+

    60 V

    Published value

Capacitance

  • cg/k

    3.1

    Published value

  • ca

    0.18

    Published value

  • cg/a

    1.4

    Published value