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Voltage - Triode (single) ·Triode

E

Philips high-vacuum receiving triode for detector, RF/AF amplification, and low-power output service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
A
Socket code
-
Base pins
4
Nominal heater
4 V / 700 mA

Description

Philips high-vacuum receiving triode for detector, RF/AF amplification, and output service. The record captures the published heater data, principal electrical characteristics, ratings, and other section-specific values from the supplied datasheet.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
A
Socket code
-
Base pins
4
Nominal heater voltage
4 V
Nominal heater current
700 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

A - 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
25000 Ω
Transconductance
0.0004 S
Amplification factor
10
Max plate voltage
200 V

Published section data promoted 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

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Anodespanning V=

    50 V

    Published datasheet value

  • Maximum plate voltage

    200 V

    Promoted published datasheet value

Characteristic

  • Plate resistance

    25000 Ω

    Promoted published datasheet value

  • Transconductance

    400 µS

    Promoted published datasheet value

  • Amplification factor

    10

    Promoted published datasheet value