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Voltage Tetrode ·Tetrode

KE50

Screen-grid tetrode intended for general receiving, amplification, detection, or special-purpose service as documented by the manufacturer.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5 V / 60 mA

Description

Miniature directly heated tetrode for compact battery equipment. The supplied Philips datasheet provides operating characteristics, limiting values, capacitances, and application information; non-English material is represented in English in the descriptive output.

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
5 V
Nominal heater current
60 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

Tetrode

X-ray radiationInterelectrode capacitances
Plate resistance
650000 Ω
Transconductance
0.00043 S
Max plate voltage
120 V
Max screen voltage
60 V

Miniature directly heated tetrode for compact battery equipment

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 E-Z

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristic

  • IC

    60 mA

  • Vam

    120 V

  • 6 i)

    6 A

Other

  • Vgl 45

    60 V

  • I. 0,8

    1.5 mA

  • Vgl 2,0

    -2.7 V

  • S 0,43

    0.58 mA/V