5Y3GB

Directly heated full-wave rectifier for receiver and amplifier power supplies with moderate DC requirements. Its five-volt filament provides conventional dual-diode full-wave operation.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: OCTAL5
Base pins: -
Nominal heater: 5 V / 1.7 A

Description

Full-wave directly heated rectifier for receiver and amplifier power supplies.

Socket description

Small-wafer octal 5-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: OCTAL5
Base pins: -
Nominal heater voltage: 5 V
Nominal heater current: 1.7 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 peak inverse voltage: 1400 V
Rectifier nominal output current: 125 mA

Published electrical limits and characteristics promoted from the approved source; identical repeated sections compressed where applicable.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1400 V
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

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

HeaterVoltageNominal
5 V
Nominal
HeaterCurrentNominal
1.7 A
Nominal
Maximum Peak Inverse Voltage
1400 V
Rectified Output Current
125 mA

SECTION 2

Rectifier

Other

HeaterVoltageNominal
5 V
Nominal
HeaterCurrentNominal
1.7 A
Nominal
Maximum Peak Inverse Voltage
1400 V
Rectified Output Current
125 mA