Voltage - Dual Triode (similar) ·Triode-Triode
Special-purpose industrial twin triode intended for demanding professional electronic service, with paired triode sections and characteristics selected for reliable operation.
The Amperex ECC2000 is a premium-quality, long-life, shock- and vibration-resistant dual triode for VHF cascode amplification up to 300 MHz and frequency-multiplier service.
Decal 10-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
Premium-quality long-life dual triode for VHF cascode service; identical sections compressed.
Section 2
Second physical triode section; added to align rows with SectionCount.
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.
Heater/Filament Voltage
6.3 V
Published datasheet value
Heater/Filament Current
325 mA
Published datasheet value
Maximum Plate/Anode Voltage
250 V
Published datasheet value
Maximum Plate/Anode Dissipation
2.7 W
Published datasheet value
Transconductance
17500 µS
Published datasheet value
Amplification Factor
28
Published datasheet value
Data set 02
Published operating points and test conditions from this source.
Heater voltage V¢
6.3 V
Heater voltage V¢ 6.3 V
Heater current I¢
335 mA
Heater current I¢ 335 mA
Anode voltage
90 V
Anode voltage 90 90 90 90 v
Anode current
27 mA
Anode current 15 27 15 27 mA
Heater voltage
6.3 V
Heater voltage 6.3
Heater current
335 mA
Heater current 335 mA
Anode voltage
90 V
Anode voltage 90 90
Grid voltage
1.4 V
Grid voltage 2.1 1.4
Anode current
27 mA
Anode current 15 27 mA
Anode voltage
90 V
Anode voltage 90 90
Grid voltage
1.4 V
Grid voltage 2.0 1.4
Anode current
27 mA
Anode current 15 27 mA
heater V
150 V
heater V = 150 V
Cathode positive Initial
15 V
Cathode positive Initial 15 uA
heater V
50 V
heater V = 50V
Cathode negative Initial
15 V
Cathode negative Initial 15 UA
neutralisation screen Cg'/k'fsn'
5.1 pF
neutralisation screen Cg'/k'fsn' 5.1 pF
neutralisation screen Ca'/k'fsn'
5 pF
neutralisation screen Ca'/k'fsn' 5.0 pF
Grid to neutralisation screen Cg'sn'
1.4 pF
Grid to neutralisation screen Cg'sn' 1.4 pF
Anode to grid Ca'g'
0.45 pF
Anode to grid Ca'g' 0.45 pF
Anode to neutralisation screen Catsn'
3.4 pF
Anode to neutralisation screen Catsn' 3.4 pF
Cathode to grid and filament Ck/gf
6.5 pF
Cathode to grid and filament Ck/gf 6.5 pF
Anode to grid and filament Ca/gf
3.2 pF
Anode to grid and filament Ca/gf 3.2 pF
Anode to cathode Cak
180 pF
Anode to cathode Cak 180 mpF
Anode to grid Cag
1.5 pF
Anode to grid Cag 1.5 pF
Heater voltage Vg
6.3 V
Heater voltage Vg 6.3 V
Anode supply voltage Vba
110 V
Anode supply voltage Vba 110 VvV
Grid supply voltage Vbg
17 V
Grid supply voltage Vbg 17V
Cathode resistor Rg
680 A
Cathode resistor Rg 680 Q@
Anode voltage Vag max.
450 V
Anode voltage Vag max. 450 V
Anode dissipation W, max.
2.7 mA
Anode dissipation W, max. 2.7 W
Grid voltage —Vg max.
50 V
Grid voltage —Vg max. 50 V
Grid peak voltage —Vgp max.
150 V
Grid peak voltage —Vgp max. 150 V
Duty factor max.
1 mA
Duty factor max. 1%
Cathode current I max.
40 mA
Cathode current I max. 40 mA
Cathode peak current Ix max.
400 mA
Cathode peak current Ix max. 400 mA
Duty factor max.
109 mA
Duty factor max. 109
Grid resistor R max.
1 mA
Grid resistor R max. 1 MQ
Cathode positive Vit (k+) max.
150 V
Cathode positive Vit (k+) max. 150 V
Cathode negative Vit (k-) max.
50 V
Cathode negative Vit (k-) max. 50 V
Supply voltage Vp
200 V
Supply voltage Vp 200 200 Vv
Cathode resistor Ry!
680 A
Cathode resistor Ry! 1200 680
Anode current I,
26.5 mA
Anode current I, 15.5 26.5 mA E
Mutual conductance
22 mA/V
Mutual conductance 13 |17.5 17 22 mA/V
Mutual conductance
17.5 mA/V
Mutual conductance 13 17.5 mA/V
Amplification factor
27 A
Amplification factor 27 27
Equivalent noise resistance
200 V
Equivalent noise resistance 250 200
Mutual conductance S
22 mA/V
Mutual conductance S 17 22 mA/V
Amplification factor
28 A
Amplification factor 7 28 28
Equivalent noise resistance Req
150 V
Equivalent noise resistance Req 200 150
Insulation resistance between Rins Initial
100 A
Insulation resistance between Rins Initial 100
Input resistance rg
670 A
Input resistance rg 910 670 Q E
Input capacitance Ci
12 pF
Input capacitance Ci 11 12 pF
Noise figure F
2.5
Noise figure F 2.5 2.5 kT,