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Voltage Pentode ·Pentode

D1F

Pentode intended for voltage-amplifier or receiving service; available source does not clearly establish a narrower functional classification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
1.4 V / 100 mA

Description

Pentode vacuum tube documented for receiving and amplification applications, with heater, operating-characteristic, and limiting-rating data extracted from the supplied datasheet.

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
1.4 V
Nominal heater current
100 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

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
5000000 Ω

Primary physical section.

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

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Heater voltage

    1.4 V

    Nominal

  • Heater current

    100 mA

    Nominal

Characteristic

  • Heater voltage . . . Vi =

    14 v

    Published datasheet value

  • Heater curtent . . . . I =

    1 A

    Published datasheet value

  • Screen-grid voltage . Vg, =

    100 v

    Published datasheet value

  • Anode current . . .lIg =

    3 mA

    Published datasheet value

  • Screen-grid current . . Ig, =

    1 mA

    Published datasheet value

  • Grd bias . . . . . Vg =

    -15 v

    Published datasheet value

  • Slope . . . . . . .S =

    18 mA/V

    Published datasheet value

  • AC resistance . . .Ri =

    5 MΩ

    Published datasheet value

  • resistance . . . .Raeq =

    6 kΩ

    Published datasheet value

  • ceiver Vga=

    0 v

    Published datasheet value

  • prospectus B

    1 s

    Published datasheet value

  • cation is D1

    1 v

    Published datasheet value

  • A e s . =

    20 V

    Published datasheet value

  • series resistance is

    50 W

    Published datasheet value

  • from

    -1.5 V

    Published datasheet value

  • the ratio

    100 W

    Published datasheet value

  • held constant at

    100 V

    Published datasheet value

  • grid bias from

    -1.5 S

    Published datasheet value

  • conductance is

    500 A

    Published datasheet value

  • types provide a gain of

    120 s

    Published datasheet value

  • following conditions: HT supply =

    150 V

    Published datasheet value

  • screen-grid series-resistance =

    1 MΩ

    Published datasheet value

  • D1

    1 s

    Published datasheet value

  • Ca =

    5.2 pF

    Published datasheet value

  • Cg1r =

    4.6 pF

    Published datasheet value

  • Cgs =

    8.2 pF

    Published datasheet value