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Voltage - Triode (single high frequency) ·Triode

7644

Metal-ceramic planar triode for high-frequency electronic service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 300 mA

Description

Metal-ceramic or planar triode.

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
300 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
Transconductance
0.015 S
Amplification factor
110
Max plate voltage
200 V
Max plate dissipation
2 W

Promoted only from clearly labeled printed ratings/characteristics; specialized and operating data retained in parameter rows.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater Current at 6.3 volts. . . ... ... ... 300 Milliamperes Net Weight, approximate. .. .. .. ... ... .. 1/6 Ounces

    6.3 volts

    Published datasheet; semantic line recovery

  • Heater Current at 6.3 volts. . . ... ... ... 300 Milliamperes Net Weight, approximate. .. .. .. ... ... .. 1/6 Ounces

    300 Milliamperes

    Published datasheet; semantic line recovery

  • Grid to Cathode . . . ................ 3.65 upf

    3.65 upf

    Published datasheet; semantic line recovery

  • Cathode to Anode, maximum, ... ... 0.020 upf Type of Cooling—Conduction*

    0.02 upf

    Published datasheet; semantic line recovery

  • Transconductance. ... ............ 15,000 Micromhos

    15000 Micromhos

    Published datasheet; semantic line recovery

  • DC Plate Voltage . . .................... 200 Volts Duty Cycle. . ... ... ... .............. 0.0011

    200 Volts

    Published datasheet; semantic line recovery

  • DC Plate Current. . ...... ... 12 Milliamperes Pulse Width. .......................... 15 Microseconds

    12 Milliamperes

    Published datasheet; semantic line recovery

  • DC Plate Current. . ...... ... 12 Milliamperes Pulse Width. .......................... 15 Microseconds

    15 Microseconds

    Published datasheet; semantic line recovery

  • Plate Dissipation. . ...................... 2 Watts

    2 Watts

    Published datasheet; semantic line recovery

  • Negative DC Grid Voltage. . ............. 15 Volts

    15 Volts

    Published datasheet; semantic line recovery

  • Heater Voltage . .. .................... 6.3 Valts Pulse Width. .. ......................, 15 Microseconds

    15 Microseconds

    Published datasheet; semantic line recovery

  • Gain, 10 megacycle bandwidth.........17.5 Decibels

    17.5 Decibels

    Published datasheet; semantic line recovery

  • DC Plate Current. . ................... 10 Milliamperes

    10 Milliamperes

    Published datasheet; semantic line recovery

  • Heater Voltage

    6.32 V

    Published datasheet

  • Heater Current

    6.3 A

    Published datasheet