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Voltage - Triode (single) ·Triode

A310

General-purpose receiving triode for detection, amplification, oscillator, or low-power electronic service as documented by the manufacturer.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
A32
Socket code
B4
Base pins
4
Nominal heater
3 V / 60 mA

Description

Early directly heated receiving triode for detection and high- or low-frequency amplification, designed for low filament current and battery operation.

Socket description

European 4-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
A32
Socket code
B4
Base pins
4
Nominal heater voltage
3 V
Nominal heater current
60 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

A32 - 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
Max plate voltage
100 V

Early directly heated receiving triode for detection and high- or low-frequency amplification, designed for low filament current and battery operation.

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 0-D

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Saturation current

    10 mA