Data set 01
1940 RCA
Published operating points and test conditions from this source.
Triode
Application
Application
Mixer_Oscillator_Amplifier text
Voltage - Dual Triode (similar high frequency) ·Triode-Triode
Special-quality high-frequency twin triode, industrial counterpart of the 12AT7 family, designed for long-life reliable amplifier and oscillator service.
Industrial high-mu twin triode for mixer, oscillator, and amplifier service to 300 MHz.
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.
2 physical sections, each with unique specifications.
Section 1
Representative row for electrically identical repeated sections.
Section 2
Second physical triode restored.
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.
Application
Mixer_Oscillator_Amplifier text
Data set 02
Published operating points and test conditions from this source.
Maximum Frequency for Frequency Changer Service
300 MHz
Parallel Heater Voltage
6.3 V
Parallel Heater Current
300 mA
Series Heater Voltage
12.6 V
Series Heater Current
150 mA
Data set 03
Published operating points and test conditions from this source.
Heater Voltage
6.3 V
Heater Current
300 mA
EquivalentDesignation
ECC801S
Data set 04
Published operating points and test conditions from this source.
Input capacitance
2.5 pF
Output capacitance
0.45 pF
Section1
Grid-to-plate capacitance
1.6 pF
Plate voltage
250 V
ClassA
Cathode-bias resistor
200 ohm
ClassA
Plate current
10 mA
ClassA
Plate voltage
100 V
ClassA
Plate resistance
10900 ohm
At250V
Transconductance
5500 uS
At250V
Amplification factor
60
At250V
Data set 05
Published operating points and test conditions from this source.
Heater Voltage
12.6 V
Heater Current
150 mA
Maximum Intended Frequency
300 MHz
MixerOscillatorAmplifier
Data set 06
Published operating points and test conditions from this source.
ImpactAcceleration
600 g
Service
VHF grounded-grid amplifier or frequency converter
Data set 07
Published operating points and test conditions from this source.
Plate voltage
250 V
RFAmplifier;EachSection
Plate current
10 mA
RFAmplifier;EachSection
Cathode resistor
200 Ω
RFAmplifier;EachSection
Plate resistance
10.9 kΩ
EachSection
Transconductance
5500 µS
EachSection
Amplification factor
60
EachSection
Data set 08
Published operating points and test conditions from this source.
Grid-to-plate capacitance
1.6 pF
EachSection
Grid capacitance
2.5 pF
EachSection
Plate capacitance
0.45 pF
EachSection
Plate voltage
100 V
RFAmplifier;EachSection
Cathode resistor
270 Ω
RFAmplifier;EachSection
Plate current
3.3 mA
RFAmplifier;EachSection
Plate voltage
250 V
RFAmplifier;EachSection
Transconductance
4000 µS
100VPlate
Plate resistance
14300 Ω
100VPlate
Amplification factor
57
100VPlate
Data set 09
Published operating points and test conditions from this source.
Published electrical value
12.6 V
3)The maximum deviation of If at Vp = 12.6 V is ± 12 mA
Published electrical value
12 mA
3)The maximum deviation of If at Vp = 12.6 V is ± 12 mA
La deviation maximum de If a Vp
12.6 V
La deviation maximum de If a Vp = 12.6 V eat de ± 12 mA
La deviation maximum de If a Vp
12 mA
La deviation maximum de If a Vp = 12.6 V eat de ± 12 mA
Valeur maximum de V
0 mA
Valeur maximum de V0 a dtot eat environ 5%
Heater voltage
12.6 V
of = 6.3 v2) Vf = 12.6 v2)
Heater current
300 mA
If = 300 mA If . = 150 mA3)
Grid-to-plate capacitance
1.6 pF
Cag = 1.6 ± 0.3 pF Cag = t.6
Grid capacitance
2.5 pF
Cg = 2.5 '- 0.5 PF Cg = 1.5 p14)
Plate capacitance
0.45 pF
Ca =0.45 *0.25 pF Ca 1.2 p14)
Data set 10
Published operating points and test conditions from this source.
Heater/filament voltage
6.3 V
Heater/filament current
300 mA
Application summary
Ruggedized VHF twin triode for grounded-grid and converter service.
Plate voltage
250 V
Plate current
10 mA
Transconductance
5500 uS
Amplification factor
60
Data set 11
Published operating points and test conditions from this source.
The GL
6201 C
Plate Voltage
300 V
Plate Dissipation t
2.5 W
Grid Voltage approximate for I
10 uA
Class A, Amplifier-Each Section
With external shield No
315 C
Class A, Amplifier-Each Section
t With external shield No
315 C
Class A, Amplifier-Each Section
ETX
270 C
Class A, Amplifier-Each Section
PLATE VOLTAGE
250 V
Class A, Amplifier-Each Section
ALk BUTTON PIN
3 C
Class A, Amplifier-Each Section
MEASURED FROM BASE SEAT TO BULB-TOP LINE PIN
8 C
Class A, Amplifier-Each Section
Data set 12
Published operating points and test conditions from this source.
Heater voltage
6.3 V
Nominal
Heater current
300 mA
Nominal
Heater voltage series
12.6 V
Series
Heater current series
150 mA
Series
Heater voltage parallel
6.3 V
Parallel
Heater current parallel
300 mA
Parallel
Maximum plate voltage
330 V
Promoted published value
Maximum plate dissipation
2.75 W
Promoted published value
Plate resistance
10900 ohm
Promoted published value
Transconductance
5500 uS
Promoted published value
Data set 13
Published operating points and test conditions from this source.
Grid to Plate (Each unit)
1.6 pF
Capacitance
Grid to Cathode and Heater (Each unit)
2.5 pF
Capacitance
Unit No.l
0.45 pF
Capacitance
Unit No. 2
0.38 pF
Capacitance
Heater to Cathode (Each unit)
2.8 pF
Capacitance
Cathode to Plate (Unit No.l)
0.2 pF
Capacitance
Cathode to Plate (Unit No.2)
0.24 pF
Capacitance
Cathode to Grid and Heater (Each unit)
5 pF
Capacitance
Plate to Grid and Heater (Unit No.2)
1.8 pF
Capacitance
Plate Voltage
330 V
MaximumRatings
Data set 14
Published operating points and test conditions from this source.
Anode-grid capacitance
1.6 pF
Interelectrode
Grid-cathode-heater capacitance
2.5 pF
Interelectrode
Anode-cathode-heater capacitance
0.45 pF
Interelectrode
Data set 15
Published operating points and test conditions from this source.
Ua
250 V
Published value
Ia
10 mA
Published value
Ug
-2 V
Published value
S
5500 µS
Published value
µ
60
Published value
Ri
11 kΩ
Published value
Ua
300 V
Published value
Wa
2.5 W
Published value
Ik
15 mA
Published value
Ug
-50 V
Published value