Voltage - Triode (single) ·Triode
Directly heated storage-battery triode for detector and audio-frequency amplifier service in early radio receivers.
Directly heated storage-battery triode for detector and audio-frequency amplifier service.
Medium-shell UX 4-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Published ratings and characteristics promoted from the approved datasheet.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Grid-plate capacitance
8.1 pF
Published direct interelectrode capacitance
Grid-filament capacitance
4.2 pF
Published direct interelectrode capacitance
Plate-filament capacitance
2.1 pF
Published direct interelectrode capacitance
Undistorted power output
260 mW
Published operating characteristic
Data set 02
Published operating points and test conditions from this source.
Heater/filament voltage
5 V
Published nominal
Heater/filament current
250 mA
Published nominal
Transconductance
1800 uS
Published characteristic
Amplification factor
8.5
Published characteristic
Plate resistance
4700 Ohm
Published characteristic
Data set 03
Published operating points and test conditions from this source.
Application
Detector_Amplifier text