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Nuvistor Tubes (all numbers) ·Triode

8628

Power transmitting triode for RF, audio, control, and industrial service, with published operating conditions and construction data.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 90 mA

Description

Power or transmitting triode for RF, audio, control, or industrial service. The supplied datasheet was reviewed for heater/filament data, maximum ratings, characteristics, typical operating conditions, capacitances, and construction details.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
90 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
41000 Ω
Transconductance
0.0031 S
Max plate voltage
250 V
Max plate dissipation
0.3 W

Published promoted values applied where semantically applicable; additional source-table values retained in TUBE_SECTION_PARAMETER.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Heater Voltage, (DC or AC)

    6.3 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Neater Current at Ef = 6.3 V — published value 1

    6.3 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Neater Current at Ef = 6.3 V — published value 2

    100 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Input

    0.63 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate to cathode

    0.2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid to cathode

    2.6 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Resistance (Approx.)

    41

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance

    3100

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • DC Plate Current

    1.5 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cutoff DC Grid Voltage for lb = 10 µA — published value 1

    10 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cutoff DC Grid Voltage for lb = 10 µA — published value 2

    -1.7 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Voltage

    6.3 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Supply Voltage

    120 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid Supply Voltage

    0 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Supply Voltage

    330 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • DC Plate Voltage

    250 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Peak Heater-Cathode Voltage

    1100 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Voltage, DC or AC — published value 1

    5.7 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Voltage, DC or AC — published value 2

    6.9 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Dissipation

    0.3

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • For fixed-bias o eration

    50

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • For cathode-biaspoperation

    100

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Pin 2 -Plate

    2

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Pin 4 -Grid

    4

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Pin 10 -Heater

    10

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Pin 12 -Heater

    12

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Supply Voltage

    150 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cathode Bias Resistor (Bypassed)

    3.3

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cathode Load Resistor

    15

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid Resistor

    100

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Source resistance (P.$ ) = 1 Gfl — published value 1

    1

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Source resistance (P.$ ) = 1 Gfl — published value 2

    7

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Average Grid Current — published value 1

    0

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Average Grid Current — published value 2

    1

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Average Plate Current

    0.3 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Current — published value 1

    90 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Current — published value 2

    10 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid to plate — published value 1

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid to plate — published value 2

    0.7 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate to cathode — published value 1

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate to cathode — published value 2

    0 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate to cathode — published value 3

    17 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate to cathode — published value 4

    0.23 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode — published value 1

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode — published value 2

    0.8 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode — published value 3

    1.2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance — published value 1

    3

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance — published value 2

    2200

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance — published value 3

    4000

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current — published value 1

    3 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current — published value 2

    0.7 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Plate Current — published value 3

    2.3 mA

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cutoff Plate Current — published value 1

    4

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cutoff Plate Current — published value 2

    200

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • AC Voltage Ampl ification — published value 1

    5 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • AC Voltage Ampl ification — published value 2

    7 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Total Grid Current — published value 1

    6

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Total Grid Current — published value 2

    -0.05

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cc(in) = 0. 1µF, grid-signal-source internal impedance — published value 1

    0

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cc(in) = 0. 1µF, grid-signal-source internal impedance — published value 2

    1

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Cc(out) _ ~• 5 µF. RMS voltage component measured across

    5 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • the series plate resistor with a 5 MS2 (min. ) input im

    5

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • ERp (AC Voltage Ampl ification)

    6 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Vibration-Frequency Range (Overall) — published value 1

    5

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Vibration-Frequency Range (Overall) — published value 2

    500

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Vibration-Frequency Range (Overall) — published value 3

    5

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Vibration-Frequency Range (Overall) — published value 1

    3

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Vibration-Frequency Range (Overall) — published value 2

    15

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.