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Voltage - Triode (single high frequency) ·Triode

SB846H

Former designation for Sylvania 5767, a planar UHF continuous-wave oscillator triode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 400 mA

Description

Former designation explicitly printed for Sylvania type 5767, a planar UHF continuous-wave oscillator 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
400 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
0.0045 S
Amplification factor
25
Max plate voltage
350 V
Max plate dissipation
6 W

Published maximum ratings and characteristics promoted semantically from the approved source.

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

    4500 µS

  • Amplification Factor

    25

Other

  • Maximum Plate Voltage

    350 V

  • Maximum Plate Dissipation

    6 W

  • Plate Current

    12 mA

  • Operating Frequency Maximum

    3300 MHz

Capacitance

  • Grid-Plate Capacitance

    1.37 pF

  • Grid-Cathode Capacitance

    1.27 pF

  • Plate-Cathode Capacitance

    0.025 pF

    Maximum