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Voltage - Triode (single high frequency) ·Triode

EC1000

Premium subminiature frame-grid triode designed for high-frequency probe and instrumentation service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
NOVAL
Socket code
B9A
Base pins
-
Nominal heater
6.3 V / 185 mA

Description

Premium-quality subminiature frame-grid triode designed for high-frequency probe service.

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
-
Nominal heater voltage
6.3 V
Nominal heater current
185 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

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
1897 Ω
Transconductance
0.0145 S
Amplification factor
24
Max plate voltage
275 V
Max plate dissipation
1.5 W
Max cathode current
22 mA

Triode section; values semantically promoted from published characteristics/maximum-ratings tables where present.

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 Amperex

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Grid To Cathode Capacitance

    3.5 pF

    Published direct interelectrode capacitance

  • Grid To Plate Capacitance

    1.9 pF

    Published direct interelectrode capacitance

Data set 02

1953 La Radiotechnique

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Indirect (cathode isolee du filament)

    6.3 V

    Triode

  • Alimentation en parallele. !lf

    185 mA

    Triode

  • Tension de l’'anode

    80 v

    Triode

  • Tension de la grille

    2 V

    Triode

  • Courant anodique

    14 mA

    Triode

  • Pente

    14.5 mA/V

    Triode

  • Courant de la grille

    -8 A

    Triode

  • Resistance d’entree (250 MHz)

    250 MHz

    Triode

  • Frequence de resonance d'entree

    400 MHz

    Triode

  • Tension de bruit (0-10 kHz)

    -10 kHz

    Triode

  • Tension de microphonie (50 Hz, 49)

    50 Hz

    Triode

  • (en cathodyne, la bande passante peut depasser 0 a 300 MH2z)

    0 a

    Triode

Capacitance

  • Cyk

    0.05 pF

    Triode

  • Cag

    0.3 pF

    Triode

Other

  • Tension de l'anode

    110 V

    Triode

  • Puissance dissipee sur l'anode

    1.5 W

    Triode

  • Tension de la grille

    55 V

    Triode

  • Courant cathodique

    22 mA

    Triode

  • Tension filament-cathode

    55 V

    Triode

Data set 03

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate voltage

    80 V

    ProbeAmplifier

  • Control-grid voltage

    -2 V

    ProbeAmplifier

  • Plate current

    14 mA

    ProbeAmplifier

Characteristic

  • Transconductance

    14500 µS

    Section1

  • Amplification factor

    24

    Section1

  • Input resistance at 250 MHz

    450 Ω

    250MHz

  • Input resonance frequency

    400 MHz

    Section1

  • Negative grid current after 1000 hours maximum

    0.01 µA

    EndOfLife

  • Equivalent noise voltage maximum

    1 mV

    Section1

  • Equivalent microphony voltage maximum

    1 mV

    Section1

Capacitance

  • Anode-to-grid capacitance

    1.9 pF

    Section1

  • Anode-to-cathode capacitance

    0.5 pF

    Section1

  • Grid-to-cathode capacitance

    3.5 pF

    Section1

Data set 04

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Heater voltage

    6.3 V

  • Heater current

    185 mA

  • Typical plate voltage

    80 V

  • Typical grid voltage

    -2 V

  • Typical plate current

    14 mA

  • Transconductance

    14500 uS

  • Amplification factor

    27.5

  • Input resistance

    300 ohm

Other

  • Maximum plate voltage

    275 V

  • Maximum plate dissipation

    1.5 W

  • Maximum cathode current

    22 mA

  • Maximum cathode-heater voltage

    55 V

Capacitance

  • Grid-to-heater capacitance

    0.033 pF

    Typical

  • Plate-to-heater capacitance

    0.27 pF

    Typical