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Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Power - TV Vertical Output ·BeamPower-Triode

15KY8

No short description is recorded for this tube.

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

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
15 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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
40000 Ω
Transconductance
0.0016 S
Amplification factor
64
Max plate voltage
330 V
Max plate dissipation
1.5 W

Section 2

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
18000 Ω
Transconductance
0.0084 S
Max plate voltage
300 V
Max screen voltage
150 V
Max plate dissipation
12 W
Max screen dissipation
1.9 W

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

1970 Sylvania Technical Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Plate Voltage

    250 V

  • Grid Bias

    -3 V

  • Plate Current

    1.4 mA

SECTION 2

Beam Power

Characteristics

  • Plate Voltage

    135 V

  • Screen Voltage

    120 V

  • Grid Bias

    -10 V

  • Plate Current

    39 mA

  • Screen Current

    3 mA