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Voltage Dual Tetrode ·Tetrode-Tetrode

QQV5P10

Double tetrode pulse modulator designed for approximately 5 kV and 10 A pulsed service in high-power electronic equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
-
Base pins
-
Nominal heater
12.6 V / 1.2 A

Description

The Mullard QQV5P10 is a double tetrode pulse modulator rated for 5 kV and 10 A pulsed service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
12.6 V
Nominal heater current
1.2 A
Parallel heater voltage
6.3 V
Parallel heater current
2.4 A
Series capable
Yes

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Tetrode

X-ray radiationInterelectrode capacitances
Transconductance
0.0085 S
Max plate dissipation
15 W

Representative of two identical RF-power sections.

Section 2

Tetrode

X-ray radiationInterelectrode capacitances
Transconductance
0.0085 S
Max plate dissipation
15 W

Second identical physical RF-power tetrode section; added to align rows with SectionCount.

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 Mullard

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    2.4 A

  • Heater Voltage Series

    12.6 V

  • Heater Current Series

    1.2 A

  • Heater Voltage Parallel

    6.3 V

  • Heater Current Parallel

    2.4 A

  • Grid-Cathode Capacitance

    14 pF

    EachSection

  • Plate-Cathode Capacitance

    7 pF

    EachSection

  • Transconductance

    8500 uS

    EachSection; Ia=60mA

Other

  • Maximum DC Plate Voltage

    5000 V

    TwoSectionsParallel

  • Maximum Pulse Plate Voltage

    5750 V

    TwoSectionsParallel

  • Maximum Plate Dissipation

    15 W

  • Pulse Current Rating

    10 A

    TwoSectionsParallel