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Power - Beam (NOT sweep) ·BeamPower

QE0540

Beam-power tetrode for RF and AF amplification, oscillation, frequency multiplication, and modulation, with useful Class-C output through VHF.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
OCTAL 8P
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 1.25 A

Description

Beam-power tetrode for RF/AF amplifier, oscillator, frequency-multiplier and modulator service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
OCTAL 8P
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
1.25 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

OCTAL 8P - 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

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.007 S
Amplification factor
4.5
Max plate voltage
250 V
Max screen voltage
250 V
Max plate dissipation
20 W
Max screen dissipation
3 W
Max cathode current
125 mA

Beam-power tetrode for RF/AF amplifier, oscillator, frequency-multiplier and modulator service.

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 Philips Electron Tubes Handbook V4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Chauffage: indirect If

    1.25 A

    | Chauffage: indirect If = 1.25 A

Capacitance

  • Capacitances Ca

    8.5 pF

    Capacitances | Capacitances Ca = 8.5 pF

  • Kapazitaten Cg

    13.5 pF

    Capacitances | Kapazitaten Cg1 = 13.5 pF

  • C

    0.24 pF

    Capacitances | C8g1 C 0.24 pF

Other

  • Typical characteristics Va

    200 V

    Typical characteristics | Typical characteristics Va = 200 V

  • Kenndaten Vg

    200 V

    Typical characteristics | Kenndaten Vg2 = 200 V

  • S Ia

    7 mA/V

    Typical characteristics | S Ia = 100 m 7 mA/V

  • Temperature de l'ampoule max

    220 °C

    Modulator operation | Temperature de l'ampoule max. 220 °C

  • Published electrical value

    1 ma

    Maximum ratings | 3)Vg1 may be obtained from a separate supply. or from

  • not be used. Vg

    400 V

    Maximum ratings | not be used. Vg2 must not exceed 400 V under key-up

  • de

    400 V

    Maximum ratings | de 400 V dans le cas de manipulateur leve.

  • Schirmgitterserienwiderstand verwendet werden. V

    82 s

    Maximum ratings | Schirmgitterserienwiderstand verwendet werden. V82 soil

  • Published electrical value

    1 ma

    Maximum ratings | 5 )Vg1 may be obtained by means of a grid resistor or from

  • Plate voltage

    750 V

    Maximum ratings | Va = max. 600 750 V

  • See page

    90 W

    Maximum ratings | See page 4 for Wia = max. 67.5 90 W

  • Derating table Wa = max

    25 W

    Maximum ratings | Derating table Wa = max. 20 25 W

  • Plate current

    150 mA

    Maximum ratings | Ia = max. 140 150 mA

  • Voir page

    250 V

    Maximum ratings | Voir page 4 pour Vg2 = max. 250 250 V

  • Tableau d'abaissement Wg

    3 W

    Maximum ratings | Tableau d'abaissement Wg2 = max. 3 3 W

  • Control-grid voltage

    150 V

    Maximum ratings | -Vg1 = max. 150 150 V

  • Igt = max

    4 mA

    Maximum ratings | Igt = max. 3.5 4 mA

  • Fir Reduktionstabelle . V)¢ p = max

    135 V

    Maximum ratings | Fir Reduktionstabelle . V)¢ p = max. 135 135 V

  • siehe Seite

    4 ma

    Maximum ratings | siehe Seite 4 max.

  • Plate voltage

    400 V

    Maximum ratings | Va = 600 500 320 750 600 400 V

  • Vg

    -54 V

    Maximum ratings | Vg14) = -58 -66 -51 -62 -71 -54 V

  • Vgp )

    190 V

    Maximum ratings | Vgp ) = 150 170 180 160 180 190 V

  • Plate current

    150 mA

    Maximum ratings | Ia = 112 135 140 120 150 150 mA

  • Control-grid current

    2.2 mA

    Maximum ratings | Ig1 = 2.8 2.5 2.0 3.1 2.8 2.2 mA

  • Published electrical value

    10.4 mA

    Maximum ratings | 182 = 9 9 10 11 10 10.4 mA

  • Wigt

    3 W

    Maximum ratings | Wigt = 0.2 0.2 3 0.2 0.3 3 W

  • Wa

    25 W

    Maximum ratings | Wa = 15.5 19.5 20 20 24 25 W

  • £ = max

    60 MHz

    Maximum ratings | £ = max. 60 60 Mc/s

  • Plate voltage

    600 V

    Maximum ratings | Va = max. 480 600 V

  • Derating table Wia = max

    67.5 W

    Maximum ratings | Derating table Wia = max. 45 67.5 W

  • Voir page

    16.7 W

    Maximum ratings | Voir page 4 pour Wa = max. 13.3 16.7 W

  • Tableau d.'abaissement Ia = max

    125 mA

    Maximum ratings | Tableau d.'abaissement Ia = max. 117 125 mA

  • FUr Reduktionstabelle Vg

    250 V

    Maximum ratings | FUr Reduktionstabelle Vg2 = max. 250 250 V

  • Wg

    2 W

    Maximum ratings | Wg2 = max. 2 2 W

  • Igi = max

    4 mA

    Maximum ratings | Igi = max. 3.5 4 mA

  • Vkfp = max

    135 V

    Maximum ratings | Vkfp = max. 135 135 V

  • £

    60 MHz

    Maximum ratings | £ = 60 60 60 Mc/s

  • Va

    600 V

    Maximum ratings | Va 475= 400 600 V

  • Vgi

    -87 V

    Maximum ratings | Vgi 5) = -77 -87 -87 V

  • Vg

    150 V

    Maximum ratings | Vg2 6) = 135 150 150 V

  • Plate current

    112 mA

    Maximum ratings | Ia = 94 112 112 mA

  • Igi

    3.4 mA

    Maximum ratings | Igi 2.8 3.4 3.4 mA

  • Ig

    7.8 mA

    Maximum ratings | Ig2 6.4 7.8 7.8 mA

  • Vgip

    107 V

    Maximum ratings | Vgip = 95 107 107 V

  • Wigi

    0.4 W

    Maximum ratings | Wigi = 0.3 0.4 0.4 W

  • Wg

    1.2 W

    Maximum ratings | Wg2 = 1.0 1.2 1.2 W

  • Wia

    67.5 W

    Maximum ratings | Wia = 45 45 67.5 W

  • Wa

    15.5 W

    Maximum ratings | Wa = 11 13 15.5 W

  • Wa

    52 W

    Maximum ratings | Wa = 34 32 52 W

  • Wmod

    34 W

    Maximum ratings | Wmod = 23 23 34 W

  • Plate voltage

    600 V

    Maximum ratings | Va = max. 600 V Vg2 = max. 250 V

  • Plate voltage

    250 V

    Maximum ratings | Va = max. 600 V Vg2 = max. 250 V

  • Wia = max

    60 W

    Maximum ratings | Wia = max. 60 W Wg2 = max. 3 W

  • Wia = max

    3 W

    Maximum ratings | Wia = max. 60 W Wg2 = max. 3 W

  • Wa = max

    20 W

    Maximum ratings | Wa = max. 20 W V1¢p = max. 135 V

  • Wa = max

    135 V

    Maximum ratings | Wa = max. 20 W V1¢p = max. 135 V

  • Plate current

    125 mA

    Maximum ratings | I a = max. 125 mA Rgt = max. 100 k4

  • Plate voltage

    500 V

    Maximum ratings | Va = 600 500 V

  • Vg

    185 V

    Maximum ratings | Vg2 8) = 180 185 V

  • Vg

    -40 V

    Maximum ratings | Vg1 7) = -45 -40 V

  • Plate current

    108 mA

    Maximum ratings | Ia = 2x13 2x100 2x29 2x108 mA

  • Screen-grid current

    13 mA

    Maximum ratings | Ig2 = 2x0.5 2x12 2x1 2x13 mA

  • Wg

    2.4 W

    Maximum ratings | Wg2 = 2x0.1 2x2 2x0.2 2x2.4 W

  • Wia

    54 W

    Maximum ratings | Wia = 2x7.8 2x60 2x14.5 2x54 W

  • Wa

    19 W

    Maximum ratings | Wa = 2x7.8 2x19 2x14.5 2x19 W

  • Plate voltage

    400 V

    Maximum ratings | Va = 400 V

  • Vg

    190 V

    Maximum ratings | Vg2 8) = 190 V

  • Vgt

    -40 V

    Maximum ratings | Vgt 7) = -40 V

  • Plate current

    114 mA

    Maximum ratings | Ia = 2x32 2x114 mA

  • Wg

    2.5 W

    Maximum ratings | Wg2 = 2x0.25 2x2.5 W

  • Wia

    45.5 W

    Maximum ratings | Wia = 2x12.8 2x45.5 W

  • Ala

    18 W

    Maximum ratings | Ala = 2x12.8 2x18 W

  • Plate voltage

    750 V

    Maximum ratings | Va = max. 750 V Vg2 = max. 250 V

  • Plate voltage

    250 V

    Maximum ratings | Va = max. 750 V Vg2 = max. 250 V

  • Wia = max

    85 W

    Maximum ratings | Wia = max. 85 W Wg2 =max. 3W

  • Wia = max

    3 W

    Maximum ratings | Wia = max. 85 W Wg2 =max. 3W

  • Wa = max

    25 W

    Maximum ratings | Wa = max. 25W VIP = max. 135 V

  • Wa = max

    135 V

    Maximum ratings | Wa = max. 25W VIP = max. 135 V

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Heater/filament voltage

    6.3 V

  • Heater/filament current

    1.25 A

  • Transconductance

    7000 uS

  • Screen-grid amplification factor

    4.5

  • Typical plate voltage

    200 V

  • Typical screen-grid voltage

    200 V

  • Typical plate current

    100 mA

Other

  • Maximum plate/anode voltage

    750 V

  • Maximum screen-grid voltage

    250 V

  • Maximum plate/anode dissipation

    25 W

  • Maximum screen-grid dissipation

    3 W

  • Operating plate voltage

    750 V

    ClassC;Telegraphy;60MHz

  • RF output power

    70 W

    ClassC;Telegraphy;60MHz

  • Operating plate voltage

    400 V

    ClassC;Telegraphy;175MHz

  • RF output power

    35 W

    ClassC;Telegraphy;175MHz

Capacitance

  • Plate/anode capacitance

    8.5 pF

  • Control-grid capacitance

    13.5 pF

  • Plate-grid capacitance

    0.24 pF