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Voltage - Triode (single high frequency) ·Triode

3ES5

Triode for grounded-cathode RF amplification in VHF television tuners.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7G
Base pins
7
Nominal heater
2 V / 450 mA

Description

Triode tuner for grounded-cathode RF amplification in television tuners.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
7
Nominal heater voltage
2 V
Nominal heater current
450 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
8000 Ω
Transconductance
0.009 S
Amplification factor
75
Max plate voltage
290 V
Max plate dissipation
2.4 W
Max cathode current
22 mA

Promoted from clearly identified source values; additional cutoff, RF/IF, television, capacitance, and heater-condition data are 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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • PLATE VOLTAGE

    200 VOLTS

    Published datasheet value

  • PLATE CURRENT

    10 MA

    Published datasheet value

  • GRID VOLTAGE (APPROX.) FOR 400 A PLATE CURRENT

    -6 VOLTS

    Published datasheet value

Data set 02

1966 Tung Sol Electronic Tubes 1 of 4

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Input capacitance with shield

    3.2 pF

    Section1

  • Output capacitance with shield

    4 pF

    Section1

Other

  • Plate voltage

    200 V

    GroundedCathodeRFAmplifier

  • Grid voltage

    -1 V

    GroundedCathodeRFAmplifier

  • Plate current

    10 mA

    GroundedCathodeRFAmplifier

Characteristic

  • Plate resistance

    8000 Ω

    Section1

  • Transconductance

    9000 µS

    Section1

  • Amplification factor

    75

    Section1

  • Grid voltage at 100 uA plate current

    -6 V

    Section1

  • Heater warm-up time

    11 s

    Section1