Skip to main content

Voltage Pentode - Remote Cutoff (single) ·Pentode

E99F

Premium variable-slope high-frequency pentode designed for mobile and industrial service. Amperex documentation combines controlled-gain HF amplification with premium construction for demanding professional applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 150 mA

Description

E99F is listed in the supplied Amperex material as a premium variable-slope HF pentode for mobile/industrial service. 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
-
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
150 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

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
1000000 Ω
Transconductance
0.0038 S
Amplification factor
25
Max plate voltage
330 V
Max screen voltage
100 V
Max plate dissipation
3.3 W
Max cathode current
17 mA

Promoted from clearly identified published ratings/characteristics; additional operating points, capacitances, detector data, microwave data, and special-quality limits are retained in TUBE_SECTION_PARAMETER.

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

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Heater voltage

    6.3 V

    Published rating

  • Heater current

    150 mA

    Published rating

  • Published characteristic value

    4.5

    MobileHF

  • Published characteristic value 2

    5.2

    MobileHF

Capacitance

  • Published capacitance

    0.0035 pF

    MobileHF

Data set 02

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate supply voltage

    250 V

    RFAmplifier

  • Screen supply voltage

    100 V

    RFAmplifier

  • Cathode resistor

    80 Ω

    RFAmplifier

  • Plate current

    9.2 mA

    RFAmplifier

  • Screen current

    3.3 mA

    RFAmplifier

  • Shock resistance approximately

    500 g

    SpecialQuality

Characteristic

  • Transconductance

    3800 µS

    Section1

  • Grid-2/grid-1 amplification factor

    25

    Section1

  • Plate resistance

    1 MΩ

    Section1

  • Equivalent noise resistance

    3.5 kΩ

    Section1

  • Life expectancy

    1000 h

    LifeTestConditions

Capacitance

  • Grid-to-plate capacitance maximum

    0.003 pF

    Section1

  • Plate capacitance

    5 pF

    Section1

  • Grid capacitance

    4.5 pF

    Section1

Data set 03

1963 Philips Electron Tubes Handbook V3

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    150 mA

    Published heater rating

  • Transconductance

    3800 µS

    MobileHF

  • Amplification factor

    25

    MobileHF

  • Plate resistance

    1000000 ohm

    MobileHF

Other

  • Plate supply voltage

    250 V

    MobileHF

  • Screen supply voltage

    100 V

    MobileHF

  • Plate current

    9.2 mA

    MobileHF

Capacitance

  • Input capacitance

    4.5 pF

    Published

  • Grid-to-plate capacitance

    0.0035 pF

    Published

Data set 04

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • et paralléle ou Ir ==

    150 mA

    Published datasheet value

  • Chauffage: indirect par C.A. ou C.C.; Ve =

    63 V

    Published datasheet value

  • série Ir =

    150 mA

    Published datasheet value

  • Cag1l)=

    0.0035 pF

    Published datasheet value

  • Cg1') =

    -5.1 pF

    Published datasheet value

  • Vg2 =

    100 V

    Published datasheet value

  • Vgs = o v Ri =

    80 Q

    Published datasheet value

  • Vg1 =

    6.2 mA

    Published datasheet value

  • v | S =

    2.8 mA/V

    Published datasheet value

  • bl =

    5 V

    Published datasheet value

  • Vog2 =

    100 V

    Published datasheet value

  • s =

    3.01 mA/V

    Published datasheet value

  • Cag1:§=

    6.31 V

    Published datasheet value

  • Ca~ })=

    -5.6 pF

    Published datasheet value

  • Cg1 )=

    -5.1 pF

    Published datasheet value

  • Va =

    250 V

    Published datasheet value

  • Vegs =

    80 Q

    Published datasheet value

  • Vgi =

    6.2 mA

    Published datasheet value

  • [ S =

    2.8 mA

    Published datasheet value

  • Vbga =

    3.5 kQ

    Published datasheet value

  • Sans blindage extérieur|~Ig1 = <

    0.5 pA

    Published datasheet value

  • Life expectancy

    1000 h

    Published datasheet value

  • Ve =

    80 Q

    Published datasheet value

  • Vpa =

    250 V

    Published datasheet value

  • Vgs = OV Vir =

    135 V

    Published datasheet value

  • Vbgg =

    100 V

    Published datasheet value

  • Vibrational forces for a period of

    32 h

    Published datasheet value

  • Ve =

    63 V

    Published datasheet value

  • Vgs = OV Vygplkneg.) =

    135 V

    Published datasheet value

  • Vbge =

    100 V

    Published datasheet value

  • Vba =

    250 V

    Published datasheet value

  • Vogz =

    100 V

    Published datasheet value

  • Vap = max

    600 V

    Published datasheet value

  • Vg = max

    330 V

    Published datasheet value

  • Wy = max

    557 V

    Published datasheet value

  • Vgoo = max

    17 mA

    Published datasheet value

  • Rg1< en polarisation fixe = max

    0.5 MQ

    Published datasheet value

  • Vba =

    2 kQ

    Published datasheet value

  • Vogz =

    80 Q

    Published datasheet value

  • VS3 = ov Cx =

    1000 pF

    Published datasheet value

  • Vag = max

    600 V

    Published datasheet value

  • Wa = max

    55 V

    Published datasheet value

  • Vgao = max

    17 mA

    Published datasheet value

  • = max

    100 V

    Published datasheet value

  • Rg1

    0.5 MQ

    Published datasheet value

  • La valeur de

    135 V

    Published datasheet value

  • Der Wert von

    135 V

    Published datasheet value

  • Vga=

    100 V

    Published datasheet value

  • Vgz=

    0 V

    Published datasheet value