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Voltage - Triode (single high frequency) ·Triode

6503

UHF planar triode designed primarily as a continuous-wave oscillator to about 3.3 GHz for stable signal-source or local-oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 405 mA

Description

UHF planar triode designed primarily as a continuous-wave oscillator to about 3300 MHz, suitable as a stable signal source or local oscillator.

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
405 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
0.00565 S
Amplification factor
22.6
Max plate voltage
350 V
Max plate dissipation
5 W

Published ratings and characteristics promoted semantically from the approved source; repeated identical sections compressed where applicable.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Transconductance

    5650 µS

Other

  • Maximum Plate Voltage

    350 V

  • Maximum Plate Dissipation

    5 W

  • Operating Frequency Maximum

    3300 MHz

  • Plate Voltage

    200 V

  • Power Output Average

    450 mW

    3300 MHz