Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate Voltage
120 V
AFAmplifier
Grid Voltage
-4.5 V
AFAmplifier
Plate Current
2.5 mA
AFAmplifier
Voltage - Triode (single) ·Triode
DC11
Low-voltage directly heated battery triode for audio-frequency driver service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 1.2 V / 25 mA
Description
The Telefunken DC11 is a directly heated low-current battery triode intended as an AF driver with transformer or choke coupling.
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
- 1.2 V
- Nominal heater current
- 25 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
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 17000 Ω
- Transconductance
- 0.0009 S
- Amplification factor
- 15.4
- Max plate voltage
- 150 V
- Max plate dissipation
- 0.4 W
AF driver 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.