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Power - Tetrode (NOT beam) ·Tetrode

QE0410

RF tetrode designed for high-frequency amplifier, oscillator, and frequency-multiplier service. Its transmitting construction supports multiple radio-frequency power functions.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
B9G
Socket code
-
Base pins
9
Nominal heater
6.3 V / 600 mA

Description

RF tetrode for HF amplifier, oscillator and frequency-multiplier service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
B9G
Socket code
-
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

B9G - 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

Tetrode

X-ray radiationInterelectrode capacitances
Transconductance
0.0019 S
Amplification factor
5.6
Max plate voltage
400 V
Max screen voltage
250 V
Max plate dissipation
14.5 W
Max screen dissipation
2 W
Max cathode current
50 mA

RF tetrode for HF amplifier, oscillator and frequency-multiplier 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

Tetrode

Characteristic

  • Chau££age: indirect If

    600 mA

    | Chau££age: indirect If = 0.6 A

Capacitance

  • Capacitances Ca

    5.4 pF

    Capacitances | Capacitances Ca = 5.4 pF

  • Capacitds Cg

    8 pF

    Capacitances | Capacitds Cg1 = 8 pF

  • Kapazitaten Cag

    0.1 pF

    Capacitances | Kapazitaten Cag1 < 0.1 pF

Other

  • Plate current

    25 mA

    Typical characteristics | Caractdristiques types S (Ia=25 mA)= 1.9 mA/V

  • Plate current

    1.9 mA/V

    Typical characteristics | Caractdristiques types S (Ia=25 mA)= 1.9 mA/V

  • Vg = max

    400 V

    Maximum ratings | Vg = max. 400 V Wg1 = max. 0.25 W

  • Vg = max

    0.25 W

    Maximum ratings | Vg = max. 400 V Wg1 = max. 0.25 W

  • Wa max

    7.5 W

    Maximum ratings | Wa max. 7.5 W Rg1 = max. 0.1 M4

  • Screen-grid voltage

    250 V

    Maximum ratings | Vg2 = max. 250 V Ig1 = max. 6 mA

  • Screen-grid voltage

    6 mA

    Maximum ratings | Vg2 = max. 250 V Ig1 = max. 6 mA

  • P

    2 W

    Maximum ratings | P1g2 = max. 2 W Ig = max. 50 mA

  • P

    50 mA

    Maximum ratings | P1g2 = max. 2 W Ig = max. 50 mA

  • Vkf = max

    100 V

    Maximum ratings | Vkf = max. 100 V

  • Plate voltage

    280 V

    Class C telegraphy | Va = 300 300 300 300 300 280 V

  • Vgl

    -50 V

    Class C telegraphy | Vgl = -60 -35 -60 -50 -30 -50 V

  • Screen-grid voltage

    250 V

    Class C telegraphy | Vg2 = 250 150 250 250 150 250 V

  • Plate current

    46 mA

    Class C telegraphy | Ia = 43 40 44.5 46 44 2x46 mA

  • Screen-grid current

    3.5 mA

    Class C telegraphy | Ig2 = 6.7 7.2 5.3 4 4.5 2x3.5 mA

  • Vglp

    55 V

    Class C telegraphy | Vglp 68 58 68 57 52 55 V

  • ga

    12.9 W

    Class C telegraphy | ga 12.9 1 12 13.4 13.8 13.2 2x12.9 W

  • Plate voltage

    7.5 W

    Class C telegraphy | ~Va = 4.9 4.9 6 7.5 6.9 2x7.5 W

  • Power output

    10.8 W

    Class C telegraphy | Wo = 8 7.1 7.4 6.3 6.3 10.8 W

  • Vg

    176 V

    Class C telegraphy | Vg2p = 176 V

  • Vrmod

    5 W

    Class C telegraphy | Vrmod = .5 W

  • Plate voltage

    250 V

    Class C telegraphy | Va = 300 300 250 V

  • Control-grid voltage

    -120 V

    Class C telegraphy | Vg1 -120 -120 -120 V

  • Vg

    200 V

    Class C telegraphy | Vg2 250 200 200 V

  • Plate current

    36.8 mA

    Class C telegraphy | Ia = 43.3 38.4 36.8 mA

  • Ig

    1.1 mA

    Class C telegraphy | Ig1 1.2 1.5 1.1 mA

  • Screen-grid current

    2.1 mA

    Class C telegraphy | Ig2 = 5.5 2.6 2.1 mA

  • Vg

    144 V

    Class C telegraphy | Vg1p 124 120 144 V

  • Wg

    0.42 W

    Class C telegraphy | Wg2 = 1.4 0.52 0.42 W

  • Wia

    9.2 W

    Class C telegraphy | Wia = 13 11.5 9.2 W

  • Wa

    6.9 W

    Class C telegraphy | Wa 7.4 7.1 6.9 W

  • Wo

    2.3 W

    Class C telegraphy | Wo 5.6 4.4 2.3 W

  • Va

    225 V

    Class C telegraphy | Va 300 275 225 V

  • Control-grid voltage

    -140 V

    Class C telegraphy | Vg1 = -140 -140 -140 V

  • Screen-grid voltage

    200 V

    Class C telegraphy | Vg2 = 250 200 200 V

  • Plate current

    36 mA

    Class C telegraphy | Ia = 34.3 36 2x36 mA

  • Control-grid current

    1.3 mA

    Class C telegraphy | Ig1 = 0 1.5 2x1.3 mA

  • Ig

    2.5 mA

    Class C telegraphy | Ig2 2.8 2.5 2x2.5 mA

  • Vg

    152 V

    Class C telegraphy | Vg1 p = 130 142 152 V

  • Wg

    0.5 W

    Class C telegraphy | Wg2 0.7 0.5 2x0.5 W

  • Wia

    8.1 W

    Class C telegraphy | Wia = 10.3 9.9 2x8.1 W

  • Wa

    6.6 W

    Class C telegraphy | Wa 7.1 7.1 2x6.6 W

  • Wa

    3 W

    Class C telegraphy | Wa 3.2 2.8 3 W

  • Published electrical value

    2 A

    Class C telegraphy | 9 1-{A052=2A 00 _

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristics

  • Heater/filament voltage

    6.3 V

  • Heater/filament current

    600 mA

  • Transconductance

    1900 uS

  • Screen-grid amplification factor

    5.6

  • Typical plate voltage

    300 V

  • Typical screen-grid voltage

    250 V

Other

  • Maximum plate/anode voltage

    400 V

  • Maximum screen-grid voltage

    250 V

  • Maximum plate/anode dissipation

    14.5 W

  • Maximum screen-grid dissipation

    2 W

  • Operating plate voltage

    300 V

    ClassC;Telegraphy;31.5MHz

  • RF output power

    8 W

    ClassC;Telegraphy;31.5MHz

  • Operating plate voltage

    300 V

    ClassC;Telegraphy;75MHz

  • RF output power

    5.6 W

    ClassC;Telegraphy;75MHz

Capacitance

  • Plate/anode capacitance

    5.4 pF

  • Control-grid capacitance

    8 pF

  • Plate-grid capacitance

    0.1 pF