E90Z

Long-life ruggedized full-wave rectifier for reliable power-supply service. Rated for approximately 1.25 kV peak inverse voltage and 210 mA peak current, with construction intended for extended operating life.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: B7G
Base pins: -
Nominal heater: 6.3 V / -

Description

Long-life ruggedized full-wave rectifier.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B7G
Base pins: -
Nominal heater voltage: 6.3 V
Nominal heater current: -
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: 1250 V
Rectifier peak forward current: 210 mA

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1250 V
Rectifier peak forward current: 210 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

1955 Lorenz

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Construction

Ruggedized construction
TRUE

Other

Maximum peak inverse voltage
1250 V
Maximum peak anode current
210 mA
Maximum reservoir capacitance
32 uF

SECTION 2

Rectifier

Construction

Ruggedized construction
TRUE

Other

Maximum peak inverse voltage
1250 V
Maximum peak anode current
210 mA
Maximum reservoir capacitance
32 uF