Data set 01
1951 Mullard Valve and Service Manual
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
HeaterOrFilamentVoltage
30 V
HeaterOrFilamentCurrent
300 mA
Application
LineTimeBaseOutput;Metallised
Power - TV Horizontal Output (sweep) ·Pentode
PL38M
Metallised PL38 output-pentode variant designed for television line time-base output service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 30 V / 300 mA
Description
Metallised PL38 output-pentode variant for line time-base output service.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 30 V
- Nominal heater current
- 300 mA
- 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
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 20000 Ω
- Transconductance
- 0.0135 S
- Max plate voltage
- 800 V
- Max screen voltage
- 400 V
- Max plate dissipation
- 12 W
TV line-output pentode with pulse ratings.
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 02
1958 Mullard Receiving Tubes
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristics
Typical Plate Voltage
200 V
Typical Screen Voltage
200 V
Plate Current
75 mA
Other
Peak Plate Voltage
8000 V
Pulse
Booster Plate Voltage
1200 V
LineOutputService