Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Rectifier - Half Wave ·Rectifier

EY70

Indirectly heated miniature high-voltage half-wave rectifier for compact electronic supplies. Available manufacturer data confirm the specialized high-voltage role without supporting more detailed numerical claims.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 300 mA

Description

Indirectly heated miniature high-voltage rectifier.

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
300 mA
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

1 physical section, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published Mullard ratings, characteristics, operating conditions, and capacitances extracted from supplied datasheet.

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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • HeaterOrFilamentVoltage

    6.3 V

  • HeaterOrFilamentCurrent

    300 mA

  • Application

    Miniature high-voltage rectifier

Other

  • HeaterCathodePeakVoltageMaximum

    425 V

  • Reservoir Capacitance

    16 uF