YD1152

Mullard external-anode power triode for industrial Class C oscillator service. Rated for approximately 2.5 kW plate dissipation and 7.2 kV plate voltage, with moderate gain for industrial high-frequency power generation.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 33 A

Description

The Mullard YD1152 is an external-anode industrial Class C oscillator triode in the YD1150 family.

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: 6.3 V
Nominal heater current: 33 A
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

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 2000 Ω
Transconductance: 0.01 S
Amplification factor: 20
Max plate voltage: 7200 V
Max plate dissipation: 2500 W
Max cathode current: 1.1 A

Industrial Class C oscillator triode.

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

Triode

Other

Maximum Operating Frequency
160 MHz
Maximum Plate Voltage
7200 V
Maximum Plate Dissipation
2500 W
Operating Frequency
27.12 MHz
ClassC; IndustrialOscillator
RF Output Power Less Drive
4.57 kW
ClassC; IndustrialOscillator
Plate Voltage
6000 V
ClassC; 27.12MHz
Plate Current
1 A
ClassC; 27.12MHz
Grid Voltage
-625 V
ClassC; 27.12MHz
Grid Current
250 mA
ClassC; 27.12MHz
Efficiency
82 percent
ClassC; 27.12MHz

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Filament voltage
6.3 V
Filament current
33 A
Transconductance
10000 uS
Amplification factor
20

Capacitance

Anode to filament capacitance
0.4 pF
Grid to filament capacitance
17 pF
Anode to grid capacitance
14 pF

Other

Maximum anode voltage
7200 V
Maximum anode current
1.1 A
Maximum anode dissipation
2500 W
Operating frequency
27.12 MHz
IndustrialClassC
Operating anode voltage
6000 V
IndustrialClassC;Frequency=27.12MHz
Operating anode current
1 A
IndustrialClassC;Frequency=27.12MHz
Anode output power
5000 W
IndustrialClassC;Frequency=27.12MHz
Frequency for full ratings
85 MHz

Construction

Cooling system
Water