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Tube Tinker — Electron Tube Database
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Power - Triode Single (under 10W) ·Triode

CE

Directly heated triode with a 3.8 V filament, approximately 220 V operating point, and 5 W maximum anode dissipation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
5
Nominal heater
3.8 V / 500 mA

Description

A directly heated triode with a 3.8 V, 0.5 A filament, 220 V operating point and 5 W maximum anode dissipation.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
5
Nominal heater voltage
3.8 V
Nominal heater current
500 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
Plate resistance
4100 Ω
Transconductance
0.00165 S
Max plate voltage
400 V
Max plate dissipation
5 W

Published ratings and characteristics promoted 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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Anode voltage

    220 V

  • Grid bias

    -12 V

  • Anode current

    18 mA

  • Durchgriff

    14.6 %

  • Cold anode voltage maximum

    400 V

  • Grid leak resistance maximum

    500 kΩ

Capacitance

  • Grid-anode capacitance

    6.5 pF