5Y3S

Directly heated double-anode rectifier for full-wave power supplies. Published capacitor-input filter operation supports receiver, amplifier, and similar moderate-current electronic supplies.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 2 A

Description

Double-anode directly heated rectifying tube with capacitor-input operating data.

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: 5 V
Nominal heater current: 2 A
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

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier nominal output current: 125 mA

Representative section for two electrically identical sections.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier nominal output current: 125 mA

Second physical rectifier section; electrical properties populated from corresponding identical section.

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

2026 JJ Electronic

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

ACVoltagePerPlate
350 V
CapacitorInputFilter;C 20 uF;Rt 50 ohm
DC Output Current
125 mA
CapacitorInputFilter
DC Output Voltage
360 V
CapacitorInputFilter

SECTION 2

Rectifier

Other

ACVoltagePerPlate
350 V
CapacitorInputFilter;C 20 uF;Rt 50 ohm
DC Output Current
125 mA
CapacitorInputFilter
DC Output Voltage
360 V
CapacitorInputFilter