EYY13

Indirectly heated dual rectifier diode for full-wave power supplies. Rated for approximately 1 kV peak inverse voltage and 250 mA nominal rectified output from a conventional 6.3 V heater.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: Y8A
Base pins: 8
Nominal heater: 6.3 V / 2.5 A

Description

Dual rectifier diode for power-supply service.

Socket description

Steel-tube 8-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: Y8A
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 2.5 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: 1000 V
Rectifier nominal output current: 250 mA
Rectifier peak forward current: 750 mA

Representative promoted row for repeated identical sections.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1000 V
Rectifier nominal output current: 250 mA
Rectifier peak forward current: 750 mA

Physical rectifier section 2; identical section values duplicated per physical-section policy.

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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Transformer voltage maximum
2x550 V
FullWave
DC output current maximum
250 mA
FullWaveAt550V
DC output current maximum
350 mA
FullWaveAt400VOrLess
Transformer voltage maximum
550 V
HalfWave
DC output current maximum
125 mA
HalfWaveAt550V
DC output current maximum
175 mA
HalfWaveAt400VOrLess