Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
HeaterOrFilamentVoltage
4 V
HeaterOrFilamentCurrent
650 mA
Reference Type
RE604
Same published characteristics
Voltage - Triode (single) ·Triode
RE604K
Telefunken power-output triode variant explicitly referenced to RE604 characteristics; available source data do not establish the project’s 5-watt threshold.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4 V / 650 mA
Description
Power-output triode variant explicitly referenced to the RE604 characteristics.
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
- 650 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
- Transconductance
- 0.0035 S
- Amplification factor
- 3.5
- Max plate voltage
- 200 V
Published ratings and characteristics promoted from the supplied Telefunken source where explicitly readable.
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.