Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristics
Peak Plate Current
285 mA
Pulse operation
Peak Screen Current
45 mA
Pulse operation
Power - TV Vertical Output ·Pentode
PL805
High-current Telefunken power pentode specifically designed for television vertical-deflection output stages.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 15 V / 300 mA
Description
The Telefunken PL805 is a power pentode designed for television vertical-deflection output stages.
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
- 15 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
No fixed ratings are recorded for this section.
Vertical-deflection output pentode.
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.