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5785

Extremely low-filament-power subminiature high-voltage half-wave rectifier for compact battery equipment. Its tiny heater demand and multi-kilovolt capability prioritize portability and efficiency over output current.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 5785
Socket code: -
Base pins: -
Nominal heater: 1.25 V / 15 mA

Description

Directly heated subminiature high-voltage diode rectifier for low-current battery-operated equipment.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 5785
Socket code: -
Base pins: -
Nominal heater voltage: 1.25 V
Nominal heater current: 15 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

5785 - 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

Rectifier

X-ray radiationInterelectrode capacitances

Max cathode current: 0.1 mA
Rectifier peak inverse voltage: 3500 V
Rectifier nominal output current: 0.1 mA
Rectifier peak forward current: 0.45 mA
Rectifier forward voltage drop: 17 V

Directly heated subminiature half-wave high-voltage rectifier.

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 General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

DC output current
0.1 mA
HalfWave
Peak current
0.45 mA
HalfWave
Peak inverse voltage
3500 V
HalfWave SupplyImpedanceAtLeast1Megohm

Characteristic

Tube voltage drop
17 V
At0.1mADC