Voltage - Triode (single high frequency) ·Triode
Miniature triode used as an RF amplifier in VHF color and black-and-white television tuners.
Miniature triode used as an RF amplifier in VHF color and black-and-white television tuners.
Miniature 7-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1G1 | A | G1 — Control Grid EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7GM |
| PIN2K | A | K — Cathode EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7GM |
| PIN3H | — | H — Heater EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7GM |
| PIN4H | — | H — Heater EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7GM |
| PIN5P | A | P — Plate (Anode) EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7GM |
| PIN6IS | A | IS — Internal Screen EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7GM |
| PIN7K | A | K — Cathode EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7GM |
1 physical section, each with unique specifications.
Section 1
VHF tuner service; published characteristics include 14.5-20 mS.
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
200 V
Published table
Control-grid bias
-5.7 V
Published table
Plate current
11.5 mA
Published table
Transconductance
14500 µS
Published table
Amplification factor
72
Published table
Plate resistance
5600 ohm
Published table
Heater voltage
6.3 V
Published heater rating
Heater current
180 mA
Published heater rating
Data set 02
Published operating points and test conditions from this source.
Plate voltage
135 V
Grid voltage
-1 V
Plate current
12.5 mA
Transconductance
14500 uS
Amplification factor
78 ratio
Hot input resistance
1000 Ohm
Noise figure
4.2 dB
Hot input capacitance
8.5 pF
Data set 03
Published operating points and test conditions from this source.
Plate voltage
135 V
ClassA
Plate current
11.5 mA
ClassA
Maximum plate voltage
330 V
respect to cathode
110 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Heater to grid — published value 1
0 mA
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Heater to grid — published value 2
70 mA
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Plate Supply Voltage
600 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Plate Voltage
220 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Negative-bias value
50 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Positive-bias value
0 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Cathode Current
22 mA
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Plate Dissipation
2.6 mA
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Plate resistance
5000 ohm
ClassA
Transconductance
14500 uS
ClassA
Amplification factor
72
ClassA
Voltage (AC or DC) — published value 1
6.3 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Voltage (AC or DC) — published value 2
0.6 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Current at heater volts = 6.3 — published value 1
6.3 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Current at heater volts = 6.3 — published value 2
0 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Current at heater volts = 6.3 — published value 3
180 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Grid to plate
0.36 pF
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
external shield, and heater
4.3 pF
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
external shield, and heater
2.9 pF
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Cathode to plate — published value 1
0 pF
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Cathode to plate — published value 2
80 pF
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
external shield, and heater
3.1 pF
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Heater to cathode
2.3 pF
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Plate Voltage
135 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Grid Voltage
-1 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Plate Resistance (Approx )
5000 ohm
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Transconductance
14500
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Plate Current
11.5 mA
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Pin 1 -Grid — published value 1
1
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Pin 1 -Grid — published value 2
5
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Pin 2 -Cathode — published value 1
2
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Pin 2 -Cathode — published value 2
6
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Pin 3 -Heater
3
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Pin 4 -Heater — published value 1
4
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Pin 4 -Heater — published value 2
7
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Grid Voltage
10 V
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Plate Load Resistance
1000 ohm
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Plate Resistance (Approx 1 — published value 1
1 ohm
Published datasheet value; multiple values on one source row represent separate limits or operating conditions.
Data set 04
Published operating points and test conditions from this source.
Heater Voltage (ac/dc) 2.0 2.7 4.0
6.3 V
Published in approved 2HA5 target datasheet entry; Section1
Heater Current 0.6 0.45 0.3
180 mA
Published in approved 2HA5 target datasheet entry; Section1
DC Plate Voltage
220 V
Published in approved 2HA5 target datasheet entry; Section1
DC Plate Supply Voltage
600 V
Published in approved 2HA5 target datasheet entry; Section1
Grid Voltage
-50 V
Published in approved 2HA5 target datasheet entry; Section1
Cathode Current
22 mA
Published in approved 2HA5 target datasheet entry; Section1
Plate Dissipation
2.6 W
Published in approved 2HA5 target datasheet entry; Section1
DC Plate Supply Voltage 135 135 135
135 V
Published in approved 2HA5 target datasheet entry; Section1
Plate-Load Resistor 1000
5600 Ω
Published in approved 2HA5 target datasheet entry; Section1
Internal-Shield Voltage 0 0 0
0 V
Published in approved 2HA5 target datasheet entry; Section1
DC Grid Voltage —1
-2.7 V
Published in approved 2HA5 target datasheet entry; Section1
Cathode-Bias Resistor 0
87 Ω
Published in approved 2HA5 target datasheet entry; Section1
Transconductance 14500 1500 20000
14500 µS
Published in approved 2HA5 target datasheet entry; Section1
Plate Current 11.5 19
11.5 mA
Published in approved 2HA5 target datasheet entry; Section1
DC Grid Current
10 mA
Published in approved 2HA5 target datasheet entry; Section1
transconductance —5.3
-8.1 V
Published in approved 2HA5 target datasheet entry; Section1
Heater Voltage (ac/dc) '2.4 3 4.2
6.3 V
Published in approved 2HA5 target datasheet entry; Section1
Heater Current 0.6 0.45 0.3
200 mA
Published in approved 2HA5 target datasheet entry; Section1
Heater Warm-up Time (Average) .11 11
11 seconds
Published in approved 2HA5 target datasheet entry; Section1
Plate Voltage
200 V
Published in approved 2HA5 target datasheet entry; Section1
Grid Voltage, Negative-bias Value
50 V
Published in approved 2HA5 target datasheet entry; Section1
Plate Dissipation
2.5 W
Published in approved 2HA5 target datasheet entry; Section1
Plate Voltage
135 V
Published in approved 2HA5 target datasheet entry; Section1
Grid Voltage
-1 V
Published in approved 2HA5 target datasheet entry; Section1
Grid to Plate
0.36 pF
Published in approved 2HA5 target datasheet entry; Section1
Grid to Cathode, Heater, Internal Shield, and External Shield
4.3 pF
Published in approved 2HA5 target datasheet entry; Section1
, Shield
0.08 pF
Published in approved 2HA5 target datasheet entry; Section1
Cathode to Plate
2.9 pF
Published in approved 2HA5 target datasheet entry; Section1
Cathode to Heater, Grid, Internal Shield, and External Shield
3.1 pF
Published in approved 2HA5 target datasheet entry; Section1
Heater to Cathode
2.3 pF
Published in approved 2HA5 target datasheet entry; Section1
Grid to Plate
0.52 pF
Published in approved 2HA5 target datasheet entry; Section1
Grid to Cathode, Heater, and Internal Shield
5 pF
Published in approved 2HA5 target datasheet entry; Section1
Plate to Cathode, Heater, and Internal Shield
3.5 pF
Published in approved 2HA5 target datasheet entry; Section1
Heater to Cathode
2.5 pF
Published in approved 2HA5 target datasheet entry; Section1
Plate Resistance
5400 Ω
Published in approved 2HA5 target datasheet entry; Section1
Transconductance
15000 µS
Published in approved 2HA5 target datasheet entry; Section1
Plate Current
11.5 mA
Published in approved 2HA5 target datasheet entry; Section1
Input Resistance**
275 Ω
Published in approved 2HA5 target datasheet entry; Section1
Input Capacitance**
11.2 pF
Published in approved 2HA5 target datasheet entry; Section1
Grid Voltage (Approx.) for transconductance of
150 µS
Published in approved 2HA5 target datasheet entry; Section1
Grid Voltage (Approx.) for transconductance of 150 /imhos
-4.2 V
Published in approved 2HA5 target datasheet entry; Section1
Grid Voltage (Approx.) for transconductance of 1500 ftmhos
-2.5 V
Published in approved 2HA5 target datasheet entry; Section1