Data set 01
1958 Compagnie General
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristics
Noise figure maximum
2.7 dB
Figure of merit
110 MHz
Application
Application
Telecommunications low-noise amplifier
Voltage Pentode ·Pentode
PTT141
Long-life low-noise high-transconductance pentode developed for demanding telecommunications and wideband professional amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 300 mA
Description
Long-life low-noise high-merit pentode for telecommunications amplifier service.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 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
- Transconductance
- 0.025 S
- Max plate voltage
- 200 V
- Max plate dissipation
- 4.5 W
Published source values promoted where applicable; additional electrical, storage, RF, pulse and cooling data retained as parameters.
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.