Skip to main content

Voltage Pentode - Sharp Cutoff (single) ·Pentode

5634

Sharp-cutoff pentode designed for RF, VHF/UHF, wide-band, or voltage-amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
5633
Socket code
SUBMINIATURE6
Base pins
6
Nominal heater
6.3 V / 150 mA

Description

Subminiature sharp-cutoff RF pentode.

Socket description

Subminiature 6-lead base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
5633
Socket code
SUBMINIATURE6
Base pins
6
Nominal heater voltage
6.3 V
Nominal heater current
150 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

5633 - 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
220000 Ω
Transconductance
0.0036 S
Max plate voltage
150 V
Max screen voltage
140 V

Remote-cutoff RF pentode; 100-V Class A point promoted.

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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate Voltage

    100 V

    ClassA

  • Screen Voltage

    100 V

    ClassA

  • Cathode Resistor

    150 ohm

    ClassA

  • Plate Current

    6.5 mA

    ClassA

  • Screen Current

    2.5 mA

    ClassA

Capacitance

  • Input Capacitance

    4.4 pF

  • Output Capacitance

    2.2 pF

  • Grid-to-Plate Capacitance

    0.015 pF