Voltage - Dual Triode (similar) ·Triode-Triode
Special-quality double triode with separate cathodes designed for computer circuits and prolonged cutoff operation, with long-life characteristics for professional switching and control equipment.
Special-quality double triode with separate cathodes for computer circuits and long-life cutoff service.
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
Special-quality double triode; identical triode sections are compressed to one representative electrical section.
Section 2
Second physical triode section; electrically identical twin section.
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.
Plate voltage
150 V
EachUnit
Plate current
8.5 mA
EachUnit
Grid voltage
-1.85 V
EachUnit
Transconductance
6400 uS
EachUnit
Amplification factor
46
EachUnit
Plate resistance
7.2 kOhm
EachUnit
Data set 02
Published operating points and test conditions from this source.
Published electrical value
20 mA
1 ) Cathode positive >100 20 MA
Heater voltage
6.3 V
Vf = 6.3 V Vf = 12.6 V
Heater current
400 mA
If = 400 mA If = 200 mA
Heater voltage
6.3 V
Ca =0.5 0.3-0.7 pF Vf =6.3 V
Plate capacitance
0.5 pF
Ca =0.5 0.3-0.7 pF Vf =6.3 V
Heater current
400 mA
Cg = 3.5 3.0-4.0 pF If =400 380-420 380- mA
Grid capacitance
3.5 pF
Cg = 3.5 3.0-4.0 pF If =400 380-420 380- mA
Grid-to-plate capacitance
2.2 pF
Cag = 2.2 1.8-2.6 pF 420
Plate supply voltage
150 V
Ckf = 3.5 Vba = 150 V
Cathode-heater capacitance
3.5 pF
Ckf = 3.5 Vba = 150 V
Cathode resistor
220 ohm
Ca. =0.45 0.25-0.65 pF Rk =220 0
Plate voltage
150 V
Va = 150 V
Plate voltage
150 V
Va = 150 V Vg =7.5 V
Plate current
150 mA
Vg =-1.85 V Ia < 150 150 µA
Plate current
8.5 mA
Ia =8.5 mA
Plate voltage
100 V
S =6. mA/V Va = 100 V
Transconductance
6 mA/V
S =6. mA/V Va = 100 V
Amplification factor
46
µ = 46 Vbg = 100 V
Plate current
17.8 mA
Ia =17.8 13.6-22.0 9.5 mA
Plate current
8.5 mA
Ia =8.5 mA Ia=Ia'=0.15 mA
Transconductance
7.8 mA/V
S =7.8 mA/V Vg-Vg'= <2 2V
Cathode-heater voltage
1 V
Ri = 654 kQ Vkf1 = 200
Plate resistance
654 kohm
Ri = 654 kQ Vkf1 = 200
Heater voltage
6.5 V
Vf =6.5 V
Load resistance
2.6 kohm
Ra = 2.6 k0
Heater voltage
6.3 V
Vf = 6.3 V t 5~
Data set 03
Published operating points and test conditions from this source.
The max imum vari ati on o f heate r cu r ren t at Vh = 6.3V is
20 mA
Published in approved E180CC.pdf target datasheet; Section1
at VII = 12 .6V is
10 mA
Published in approved E180CC.pdf target datasheet; Section1
Ca '- g ' 1.8 2.2
2.6 pF
Published in approved E180CC.pdf target datasheet; Section1
* Cill 3.0 3.5
4 pF
Published in approved E180CC.pdf target datasheet; Section1
Cout' 300 500
0.7 pF
Published in approved E180CC.pdf target datasheet; Section1
* Ch-k
3.5 pF
Published in approved E180CC.pdf target datasheet; Section1
C a ~ - g'" 1.9 2.3
2.7 pF
Published in approved E180CC.pdf target datasheet; Section1
Ca ' - a"
1.3 pF
Published in approved E180CC.pdf target datasheet; Section1
cg ._ g
0.06 pF
Published in approved E180CC.pdf target datasheet; Section1
8.5
8.5 mA
Published in approved E180CC.pdf target datasheet; Section1
at Va - c = 150 V, Rk = 220£2 8.5 6.3 to 10.7
5 mA
Published in approved E180CC.pdf target datasheet; Section1
Rg = 500 kn 17 .8 13 .6t022
9.5 mA
Published in approved E180CC.pdf target datasheet; Section1
at Va- e = 150V, Rk = 220n 6.4 5.3 t o 8.1
4 mA
Published in approved E180CC.pdf target datasheet; Section1
t iglPk) max
50 mA
Published in approved E180CC.pdf target datasheet; Section1
Ig max
2 mA
Published in approved E180CC.pdf target datasheet; Section1
tik(pk) max
200 mA
Published in approved E180CC.pdf target datasheet; Section1
Ik max
20 mA
Published in approved E180CC.pdf target datasheet; Section1
**Tbulb max
170 °C
Published in approved E180CC.pdf target datasheet; Section1
Data set 04
Published operating points and test conditions from this source.
Heater voltage Vi
6.3 V
Heating
Heater current Ie
400 mA
Heating
Heater voltage (pin
9 V
Characteristics
Heater current If
380 to 420 mA
Characteristics
Heater voltage (pin
4 A
Characteristics
Heater current Iy
200 mA
Characteristics
cathode and heater It max
15 uA
Characteristics
and heater Vig =
200 V
Characteristics
Anode supply voltage Vba
150 v
Life
Grid resistor
1.5 uA
Life
Voltage between cathode and heater (k pos)
200 v
Life
Grid current max
2 mA
Limiting Values
Grid, peak current max
50 mA
Limiting Values
Cathode current max
20 mA
Limiting Values
Cathode, peak current Ix max
200 mA
Limiting Values
Cathode negative (k neg.) Vit max
100 v
Limiting Values
Heater voltage: The average heater voltage should be
6.3 V
Limiting Values
Variations of the heater voltage exceeding the range of
6 V
Limiting Values
Maximum plate voltage
600 V
Promoted published datasheet value
Anode voltage Vg,
150 A
Characteristics
Grid voltage -Vg
1.85 v
Characteristics
Anode current I,
8.5 mA
Characteristics
Mutual conductance S
6.4 mA
Characteristics
Internal resistance R;
7.2 kΩ
Characteristics
Anode voltage V,
150 V
Characteristics
Cathode resistor Ry
220 Ω
Characteristics
Mutual conductance S
415.3 to 8.1 mA
Characteristics
Negative grid current —Ig max
0.2 uA
Characteristics
Cut off voltage —Vg
7.5 v
Characteristics
Anode voltage Va
150 A
Characteristics
Anode current I, max
150 uA
Characteristics
Anode current
1 mA
Characteristics
Grid voltage -Vg
0.8 v
Characteristics
Mutual conductance S
7.8 mA
Characteristics
Internal resistance Ry
6.4 kΩ
Characteristics
Anode voltage Va
100 v
Characteristics
Grid supply voltage +Vbg
100 A
Characteristics
Grid resistor Rg
0.5 MΩ
Characteristics
Anode current I,
113.6 to 22 mA
Characteristics
Plate resistance
7200 Ω
Promoted published datasheet value
Transconductance
6400 µS
Promoted published datasheet value
Amplification factor
46
Promoted published datasheet value
Anode to cathode and heater Ca/xs
0.3 to 0.7 pF
Capacitances
Anode to cathode and heater Ca /k's
0.25 to 0.65 pF
Capacitances
Grid to cathode and heater Cg/xt
3 to 4 pF
Capacitances
to grid Cag
1.8 to 2.6 pF
Capacitances
Anode to grid Cayg
1.9 to 2.7 pF
Capacitances
Cathode to heater Cxg
3.5 pF
Capacitances
Anode to anode other section Caa' max
1.3 pF
Capacitances
Grid to grid other section Cgg' max
0.06 pF
Capacitances