Voltage Pentode ·Pentode
Premium-quality E180F/6688 high-transconductance pentode developed for demanding broadband amplification in professional communications and instrumentation.
Premium-quality E180F/6688 broad-band amplifier pentode.
Small-button Noval 9-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
Representative characteristics and published operating limits from the special-quality E180F sheet.
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.
HeaterVoltageNominal
6.3 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Plate Voltage
210 V
Maximum Plate Dissipation
2.7 W
Maximum Cathode Current
25 mA
Transconductance
16500 µS
Typical
Plate Resistance
90000 ohm
Typical
Data set 02
Published operating points and test conditions from this source.
Maximum plate voltage
2100 V
Published table
Plate voltage
160 V
Published table
Screen voltage
190 V
Published table
Plate current
25 mA
Published table
Plate resistance
16500 ohm
Published table
Transconductance
3300 µS
Published table
Amplification factor
50
Published table
Heater/filament voltage
6.3 V
Published rating
Heater/filament current
300 mA
Published rating
Data set 03
Published operating points and test conditions from this source.
Interelectrode capacitances
Published
See source sheet for electrode-specific capacitance values
Data set 04
Published operating points and test conditions from this source.
Maximum plate dissipation
3 W
Plate voltage
175 V
Screen voltage
160 V
Plate current
13 mA
Plate resistance
3.3 kOhm
Transconductance
16500 uS
Amplification Factor
50