Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Triode
Application
Application
Detector / AF amplifier
Voltage - Triode (single) ·Triode
REN1821
Detector and audio-frequency triode for series-heater receivers.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4 V / 180 mA
Description
Detector/audio-frequency triode for series-heater receivers.
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
- 4 V
- Nominal heater current
- 180 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
- Max plate voltage
- 200 V
Published historical Telefunken data promoted where legible; surrounding handbook text used only for the filename-designated tube.
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.