Voltage Pentode - High Frequency (single) ·Pentode
Professional pentode with exceptionally low grid-anode capacitance, favoring stable high-frequency and wideband voltage amplification.
An 18 V, 0.24 A pentode with a 220 V operating point and very low published grid-to-anode capacitance.
European 8-pin side-contact base
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 source.
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.
Anode voltage
220 V
Screen-grid voltage
200 V
Cathode resistance
140 Ω
Anode current
14 mA
Screen-grid current
3.5 mA
Cold anode voltage maximum
400 V
Cold screen-grid voltage maximum
400 V
Grid leak resistance maximum
300 kΩ
Grid-anode capacitance
0.03 pF
Data set 02
Published operating points and test conditions from this source.
Long-life construction
TRUE
Data set 03
Published operating points and test conditions from this source.
Heater voltage
18 V
Heater current
240 mA
Transconductance
4100 µS
Nominal/Bogey