Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Power - Beam (NOT sweep) ·BeamPower

QE0650

Beam-power tetrode designed for audio and RF amplification, oscillator, and modulator service in transmitting equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
MEDIUM 5P
Socket code
MEDIUM5
Base pins
5
Nominal heater
6.3 V / 900 mA

Description

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

Socket description

Medium 5-contact transmitting-tube base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
MEDIUM 5P
Socket code
MEDIUM5
Base pins
5
Nominal heater voltage
6.3 V
Nominal heater current
900 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

MEDIUM 5P - 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
0.006 S
Amplification factor
8
Max plate voltage
600 V
Max screen voltage
300 V
Max plate dissipation
25 W
Max screen dissipation
3.5 W
Max cathode current
100 mA

Beam-power tetrode for AF/RF amplifier, oscillator 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

  • Heizung : indirekt If

    900 mA

    | Heizung : indirekt If = 0.9 A

Capacitance

  • Capacitances Ca

    7 pF

    Capacitances | Capacitances Ca = 7 pF

  • Kapazitaten

    12 pF

    Capacitances | Kapazitaten 12 pF

  • Grid-to-plate capacitance

    0.2 pF

    Capacitances | Cag1 < 0.2 pF1)

Other

  • Plate current

    72 mA

    Typical characteristics | Caracteristiques types S (Ia = 72 mA = 6 mA/V

  • Plate current

    6 mA/V

    Typical characteristics | Caracteristiques types S (Ia = 72 mA = 6 mA/V

  • through a series resistor of

    325 V

    Class C telegraphy | through a series resistor of 12.5 ks at Va = 325 V

  • Published electrical value

    400 V

    Class C telegraphy | 25 kC at Va = 400 V

  • Published electrical value

    475 V

    Class C telegraphy | 28 kC at Va = 475 V

  • Published electrical value

    600 V

    Class C telegraphy | 37.5 kC at Va = 600 V

  • Plate voltage

    325 V

    Class C telegraphy | Va = 325 V

  • Published electrical value

    400 V

    Class C telegraphy | 25 kC a Va = 400 V

  • Published electrical value

    0 a

    Class C telegraphy | 28k0 a

  • Plate voltage

    475 V

    Class C telegraphy | Va = 475 V

  • Plate voltage

    600 V

    Class C telegraphy | Va = 600 V

  • standes von

    325 V

    Class C telegraphy | standes von 12.5 kC bei Va = 325 V

  • Published electrical value

    400 V

    Class C telegraphy | 25 kC bei Va = 400 V

  • Published electrical value

    475 V

    Class C telegraphy | 28 kC bei Va = 475 V

  • Published electrical value

    600 V

    Class C telegraphy | 37.5 kC bei Va = 600 V

  • Plate voltage

    600 V

    Maximum ratings | Va = max. 600 V

  • Wia = max

    60 W

    Maximum ratings | Wia = max. 60 W

  • Wa = max

    25 W

    Maximum ratings | Wa = max. 25W Va = max. 480 V

  • Wa = max

    480 V

    Maximum ratings | Wa = max. 25W Va = max. 480 V

  • la = max

    100 mA

    Maximum ratings | la = max. 100 mA Wia = max. 48W

  • la = max

    48 W

    Maximum ratings | la = max. 100 mA Wia = max. 48W

  • Screen-grid voltage

    300 V

    Maximum ratings | Vg2 = max. 300 V

  • Wg

    3.5 W

    Maximum ratings | Wg2 = max. 3.5 W

  • vg

    200 V

    Maximum ratings | -vg 1 = max. 200 V

  • Plate voltage

    330 V

    Maximum ratings | Va = max. 330V

  • Control-grid current

    5 mA

    Maximum ratings | Ig 1 = max. 5 mA

  • W

    1 a

    Maximum ratings | W1a = max. 33W

  • W

    33 W

    Maximum ratings | W1a = max. 33W

  • Vkf = max

    135 V

    Maximum ratings | Vkf = max. 135 V

  • Va

    400 V

    Maximum ratings | Va 600 500 400 V

  • Control-grid voltage

    -45 V

    Maximum ratings | Vg1 = -45 -45 -45V

  • Vg

    250 V

    Maximum ratings | Vg2 250 250 250 V

  • Plate current

    100 mA

    Maximum ratings | Ia = 100 100 100 mA

  • Control-grid current

    4 mA

    Maximum ratings | Ig1 = 4 4 4 mA

  • Published electrical value

    8 mA

    Maximum ratings | 182 = 8 8 8 mA

  • Vg

    65 v

    Maximum ratings | Vg1 p = 65 65 65v

  • W

    0.3 W

    Maximum ratings | W181 0.3 0.3 0.3 W

  • Wia

    40 W

    Maximum ratings | Wia = 60 50 40W

  • wa

    15 w

    Maximum ratings | wa = 20 18 15w

  • Plate voltage

    750 V

    Maximum ratings | Va = max. 750 V

  • Wia = max•

    75 W

    Maximum ratings | Wia = max• 75W P -= - -8Q j1Q10.

  • Wa = max

    30 W

    Maximum ratings | Wa = max. 30W Va =max. 600v

  • Wa = max

    600 v

    Maximum ratings | Wa = max. 30W Va =max. 600v

  • Plate current

    100 mA

    Maximum ratings | Ia = max. 100 mA Wia = max. 60W

  • Plate current

    60 W

    Maximum ratings | Ia = max. 100 mA Wia = max. 60W

  • Wg

    3.5 W

    Maximum ratings | Wg2 = flax. 3.5 W

  • Control-grid voltage

    200 V

    Maximum ratings | -Vg1 = max. 200 V - max._ i25 Q/B

  • Control-grid current

    5 mA

    Maximum ratings | Ig1 = max. 5 mA Va = max. 415 11

  • V

    135 V

    Maximum ratings | V1~ = max. 135 V Wia = max• 41.5 W

  • V

    41.5 W

    Maximum ratings | V1~ = max. 135 V Wia = max• 41.5 W

  • Control-grid voltage

    -45 V

    Maximum ratings | Vg1 = -45V

  • Plate current

    100 mA

    Maximum ratings | Ia = 100 mA

  • Control-grid current

    4 mA

    Maximum ratings | Ig1 = 4 mA

  • Screen-grid current

    8 mA

    Maximum ratings | Ig2 = 8 mA

  • Wig

    0.3 W

    Maximum ratings | Wig1 = 0.3 W

  • Wia

    75 W

    Maximum ratings | Wia = 75W

  • I?

    72 a

    Maximum ratings | I? = 72 a

  • Plate voltage

    475 V

    Maximum ratings | Va = max. 475 V

  • Wia = max

    40 W

    Maximum ratings | Wia = max. 40 W f = ms . 80 McLs

  • V

    9 a

    Maximum ratings | V9a = max. 16.5 W Va = max. 380V

  • V

    16.5 W

    Maximum ratings | V9a = max. 16.5 W Va = max. 380V

  • V

    380 V

    Maximum ratings | V9a = max. 16.5 W Va = max. 380V

  • Published electrical value

    83 mA

    Maximum ratings | 83 mA Wia = max. 32W

  • Published electrical value

    32 W

    Maximum ratings | 83 mA Wia = max. 32W

  • Wg

    2.5 W

    Maximum ratings | Wg2 = max. 2.5 W

  • Control-grid voltage

    200 V

    Maximum ratings | -Vg1 = max. 200 V

  • Published electrical value

    5 mA

    Maximum ratings | 1g1 = max. 5 mA

  • Plate voltage

    260 V

    Maximum ratings | Va = max. 260 V

  • Wia = max

    22 W

    Maximum ratings | Wia = max. 22W

  • Plate voltage

    325 V

    Maximum ratings | Va = 475 400 325 V

  • Vg

    250 V

    Maximum ratings | Vg2 1 ) = 250 V

  • la

    80 mA

    Maximum ratings | la = 83 80 80 mA

  • Published electrical value

    3.5 mA

    Maximum ratings | 1g1 = 4 3.5 3.5 mA

  • lg

    6 mA

    Maximum ratings | lg2 = 8 6 6 mA

  • Vg

    95 V

    Maximum ratings | Vg1 p = 108 95 95V

  • Wig

    0.3 W

    Maximum ratings | Wig1 0.4 0.3 0.3 W

  • Wia

    26 W

    Maximum ratings | Wia = 39.5 32 26W

  • Wa

    9 W

    Maximum ratings | Wa = 11.5 10 9W

  • Plate voltage

    600 V

    Maximum ratings | Va = max. 600V

  • Wia = max

    60 w

    Maximum ratings | Wia = max. 60w _8Q McLs

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

    900 mA

  • Transconductance

    6000 uS

  • Screen-grid amplification factor

    8

  • Typical plate-current reference

    72 mA

Other

  • Maximum plate/anode voltage

    750 V

  • Maximum screen-grid voltage

    300 V

  • Maximum plate/anode dissipation

    30 W

  • Maximum screen-grid dissipation

    3.5 W

  • Operating plate voltage

    600 V

    ClassC;Telegraphy;60MHz

  • RF output power

    40 W

    ClassC;Telegraphy;60MHz

  • Operating plate voltage

    750 V

    ClassC;Telegraphy;60MHz

  • RF output power

    54 W

    ClassC;Telegraphy;60MHz

Capacitance

  • Plate/anode capacitance

    7 pF

  • Control-grid capacitance

    12 pF

  • Plate-grid capacitance

    0.2 pF