Data set 01
195X Tesla
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Plate voltage
300 V
Screen voltage
150 V
Plate current
30 mA
Screen current
7 mA
Transconductance
11000 uS
Power - Pentode Single (NOT beam) (under 10W) ·Pentode
6L43
Power pentode intended as the output stage of wideband amplifiers. It provides load-driving capability across a broad frequency range rather than serving as a conventional small-signal pentode.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- S9/12
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 650 mA
Description
Power pentode intended as the output stage of wideband amplifiers.
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
- S9/12
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 650 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
S9/12 - 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
- 90000 Ω
- Transconductance
- 0.011 S
- Max plate voltage
- 330 V
- Max screen voltage
- 330 V
- Max plate dissipation
- 9 W
- Max screen dissipation
- 3 W
- Max cathode current
- 50 mA
Electrical section mapped from published characteristics and maximum 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
1969 Tesla Manual of Electronic Tubes
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristics
Heater voltage
6.3 V
Published nominal value
Heater current
650 mA
Published nominal value
Transconductance
11000 µS
Published operating characteristic
Other
Maximum plate dissipation
9 W
Published maximum rating