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Diode (NOT rectifier) ·Diode-Diode

AB2

The supplied sources identify AB2 as a triode rather than a dual diode, so its functional classification should follow triode construction rather than this source bucket.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
V24
Socket code
P5
Base pins
5
Nominal heater
4 V / 650 mA

Description

4 V indirectly heated triode. Electrical ratings and operating characteristics were extracted from the supplied 4-volt valve data table, including the published heater data and available section-level values.

Socket description

Europe side-contact small P5

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
V24
Socket code
P5
Base pins
5
Nominal heater voltage
4 V
Nominal heater current
650 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

V24 - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Diode

X-ray radiationInterelectrode capacitances
Max plate voltage
200 V
Max cathode current
0.8 mA
Rectifier max heater-cathode voltage
50 V

Two electrically identical diode sections share a cathode; represented once under repeated-identical-section compression.

Section 2

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical diode section added in approved reconciliation.

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 Tunsgram

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • Maximum signal voltage

    200 V

    Per diode, peak

  • Maximum diode current

    0.8 mA

    Per anode

  • Maximum heater-cathode voltage

    50 V

Data set 02

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • Signal peak voltage maximum

    200 V

  • Rectified diode current maximum

    0.8 mA

    PerDiode

  • Heater-cathode voltage maximum

    125 V