UU14

Indirectly heated full-wave rectifier, also designated EZ81, for amplifier and receiver power supplies requiring moderate current from a conventional center-tapped AC source.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 1 A

Description

Full-wave rectifier for power supplies; source also designates UU14 and EZ81.

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: 6.3 V
Nominal heater current: 1 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: 1300 V
Rectifier nominal output current: 160 mA

Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed where applicable.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1300 V
Rectifier nominal output current: 160 mA

Second physical rectifier section; electrical properties populated from applicable published ratings.

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

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

Heater voltage
6.3 V
Published nominal value
Heater current
1 A
Published nominal value

Other

Maximum reservoir capacitor
50 uF
Capacitor-input filter
DC output current
160 mA
250 Vrms per anode