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Voltage - Triode (with diode, heptode or hexode) ·Diode-Diode-Triode

10LD3

Double-diode high-mu triode combining radio detection and voltage amplification. The paired diodes handle detector or control-voltage functions while the triode amplifies the recovered signal in series-heater receivers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
3
Base
-
Socket code
-
Base pins
-
Nominal heater
14 V / 100 mA

Description

10LD3 DualDiodeTriode from Ediswan/Mazda datasheet; full semantic ratings and characteristics audit.

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
14 V
Nominal heater current
100 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

3 physical sections, each with unique specifications.

Section 1

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Physical diode section added in approved section-structure reconciliation.

Section 2

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Physical diode section added in approved section-structure reconciliation.

Section 3

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.014 S
Amplification factor
70
Max plate voltage
250 V
Max cathode current
5 mA

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 3

Triode

Characteristics

  • Maximum mean diode current

    5 mA