Voltage Pentode ·Pentode
Special-quality high-slope pentode designed for wide-band amplifier service requiring stable characteristics and long life. Its professional construction combines substantial transconductance with extended dependable operation.
Special-quality high-slope pentode for wide-band amplifier service where long life and stable characteristics are required.
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
Special-quality long-life shock- and vibration-resistant low-microphonic broad-band amplifier pentode.
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 current
12.2 to 13.8 mA
Screen current
2.9 to 3.7 mA
Transconductance
14200 to 18800 uS
Plate resistance
100 kOhm
Equivalent noise resistance
330 ohm
Plate capacitance
3.3 pF
Grid capacitance
7.6 pF
Data set 02
Published operating points and test conditions from this source.
Heater voltage
6.3 V
Heating indirect. parallel supply Vf = 6.3 V
Heater current
320 mA
Heizung: : indirekt. Paralleispeisung If = 320 mA
Heater voltage
6.3 V
Vf = 6.3
Heater current
320 mA
If = 320 1 300-340 1 300-340 mA
Heater voltage
6.3 V
Vf = 6.3 Y
Cathode-heater voltage
100 V
Vkf = 100 V
Heater voltage
6.3 V
Vf = 6.3 V
Plate voltage
2 V
Va 2) _ -300 V
Plate supply voltage
207 V
Vba = 207
Screen-grid supply voltage
150 V
Vbg2 = 150
Load resistance
2 kohm
Ra = 2
Grid resistor
0.5 kohm
Rg1 = 0.5
Cathode resistor
78 ohm
Rk = 78
Plate supply voltage
216 V
Vba = 216 I
Grid-3 voltage
0 V
Vibrations-Ausgangsspannung Vg3 = 0 1 V
Load resistance
2 kohm
Ra = 2 1 kQ
Cathode resistor
0 ohm
Rk = 0
Heater voltage
6.3 V
Vf =6.3V Vb81 =+9V
Plate supply voltage
190 V
Vba = 190V Rk = 6300
Cathode resistor
6300 ohm
Vba = 190V Rk = 6300
Plate capacitance
3.3 pF
Ca = 3.3 1 pF
Grid capacitance
1 pF
Cg1 = 7.6 1 pF
Grid-to-plate capacitance
1 pF
Cag1 = ~< 0.03 pF
Plate supply voltage
1 V
Vba 1 ) = 190 V Vba = 180 V
Grid-3 voltage
0 V
Vg3 = 0 V Vg3 = 0 V
Screen-grid supply voltage
160 V
Vbg2 = 160 V Vbg2 = 150 V
Cathode resistor
100 ohm
Vbg1 = +9 V Rk = 100 O
Plate current
11.5 mA
Rg = 630 O Ia = 11.5 mA
Plate current
13 mA
Ia = 13 12.2-13.8 11.5 mA IB2 = 2.9 mA
Screen-grid current
3.3 mA
Ig2 = 3.3 2.9- 3.7 mA S = 15.9 mA/V
Transconductance
15.9 mA/V
Ig2 = 3.3 2.9- 3.7 mA S = 15.9 mA/V
Transconductance
16.5 mA/V
S = 16.5 14.2-18.8 11 mA/V
Grid-3 voltage
0 V
RI = 100 kO Vg3 0 V
Control-grid current
3 mA
-Ig1 3) = < 0.2 0.5 µA V81 -4.5 V
Plate current
0.8 mA
Ia <0.8 mA
Grid resistor
0.1 kohm
f = 45 Mc/s 3) Measured with Rg1 = 0.1 MO
Grid resistor
0.1 kohm
Gemessen mit Rg1 = 0.1 MO
Data set 03
Published operating points and test conditions from this source.
hi
320 mA
Published in approved E186F.pdf target datasheet; Section1
T he max imum varia tion of heate r cur rent at Vll = 6.3V is
20 mA
Published in approved E186F.pdf target datasheet; Section1
I. 11.5
13 mA
Published in approved E186F.pdf target datasheet; Section1
Ig2 2.9
3.3 mA
Published in approved E186F.pdf target datasheet; Section1
gm 15.9
16.5 mA
Published in approved E186F.pdf target datasheet; Section1
Heater current 320 300 to 340 300 t o
340 mA
Published in approved E186F.pdf target datasheet; Section1
P g2 max
700 mW
Published in approved E186F.pdf target datasheet; Section1
II< max
25 mA
Published in approved E186F.pdf target datasheet; Section1
value of
500 mV
Published in approved E186F.pdf target datasheet; Section1
value of
200 mV
Published in approved E186F.pdf target datasheet; Section1
Ca - gl max
0.03 pF
Published in approved E186F.pdf target datasheet; Section1
Cill
76 pF
Published in approved E186F.pdf target datasheet; Section1
COll i 3
-45 pF
Published in approved E186F.pdf target datasheet; Section1
I
13 mA
Published in approved E186F.pdf target datasheet; Section1
Ig2
3.3 mA
Published in approved E186F.pdf target datasheet; Section1
gm
16.5 mA
Published in approved E186F.pdf target datasheet; Section1
Anode current 13 12.2 t o 13.8 >
11.5 mA
Published in approved E186F.pdf target datasheet; Section1
Anode Current <
0.8 mA
Published in approved E186F.pdf target datasheet; Section1
Screen-grid current 3.3 2.9 to
3.7 mA
Published in approved E186F.pdf target datasheet; Section1
Mutual conductance 16.5 14.2 to 18.8 >
11 mA
Published in approved E186F.pdf target datasheet; Section1
Data set 04
Published operating points and test conditions from this source.
Heater voltage Ve
6.3 V
Heating
Heater current If
320 mA
Heating
Anode current L
13 mA
Heating
Mutual conductance S
16.5 mA
Heating
Heater current I
300 to 340 mA
Characteristics
cathode and heater Tks max
10 uA
Characteristics
heater Vir =
100 V
Characteristics
Grid No.2 voltage Vgz
2 V
Life
heater (cathode negative) Vkf
70 V
Life
Anode voltage Vao max
400 V
Limiting Values
Anode supply voltage Vba
190 v
Characteristics
Grid No.3 voltage Vgs
3 v
Characteristics
Grid No.2 supply voltage Vbg2
2 A
Characteristics
Grid No.l supply voltage +Vbgl
9 v
Characteristics
Cathode resistor Rg
630 Ω
Characteristics
Anode current I,
13112.2 to 13.8 mA
Characteristics
Grid No.2 current Ig2
2.9 to 3.7 mA
Characteristics
Mutual conductance S
14.2 to 18.6 mA
Characteristics
Internal resistance R;
100 kΩ
Characteristics
Equivalent noise resistance Req
330 Ω
Characteristics
frequency
45 MHz
Characteristics
Negative grid No.l current —Igl max
0.2 uA
Characteristics
Anode supply voltage Vba
180 A
Characteristics
Grid No.3 voltage Vg3
3 A
Characteristics
Grid No.2 supply voltage Vbg2
2 v
Characteristics
Cathode resistor Rk
100 Ω
Characteristics
Anode current I
11.5 mA
Characteristics
Grid No.2 current lg2
2 mA
Characteristics
Mutual conductance S
15.5 mA
Characteristics
Hum voltage Vgl max.100 uv
100 uv
Characteristics
With vibration frequency =
50 to 2000 Hz
Characteristics
Anode resistor Rz =
2 kΩ
Characteristics
Grid No.2 supply voltage Vbg2 =160 V
2 V
Characteristics
cathode, heater and screen Ca/g3g2kfs
3 pF
Capacitances
cathode, heater and screen Cgl/g3g2kfs
3 pF
Capacitances
Anode to grid No.1 Cag1 max.0.03 | pF
1 pF
Capacitances