Skip to main content

Rectifier - Half Wave ·Rectifier

UY92

High-vacuum single-anode half-wave rectifier for 100 mA series-heater equipment. Its 26 V heater suits lower-current transformerless supplies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7G
Base pins
7
Nominal heater
26 V / 100 mA

Description

High-vacuum single-anode rectifier for 100 mA series-heater equipment.

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
7
Nominal heater voltage
26 V
Nominal heater current
100 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
Rectifier peak inverse voltage
400 V
Rectifier nominal output current
70 mA
Rectifier peak forward current
450 mA
Rectifier max heater-cathode voltage
400 V

Single-anode high-vacuum half-wave rectifier; source labels characteristics provisional.

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 La Radiotechnique

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Perveance

    2.9 mA/V^1.5

Other

  • ACSupplyVoltage

    145 V

    HalfWave;OneTube

  • RectifiedVoltage

    160 V

    HalfWave;OneTube;ACSupply=145V

  • MinimumSeriesResistance

    0 Ohm

    HalfWave;OneTube;ACSupply=145V

  • InputFilterCapacitorMaximum

    100 uF

    CapacitorInputFilter

Data set 02

1957 Philips Receiving and Amplifying Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Heater Voltage

    26 V

  • Heater Current

    100 mA

Other

  • Reservoir Capacitance

    100 uF

Data set 03

1963 Philips Electron Tubes Handbook V1

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum peak inverse voltage

    400 V

    HalfWave

  • Maximum DC output current

    70 mA

    HalfWave

  • Maximum peak cathode/anode current

    450 mA

    HalfWave

  • Maximum heater-cathode voltage

    400 V

    CathodePositive

  • Maximum filter capacitance

    100 uF

    CapacitorInputFilter

  • AC input voltage

    145 V RMS

    HalfWave

  • Minimum series resistance

    0 ohm

    HalfWave; ACInput=145V

  • DC output voltage

    160 V

    HalfWave; ACInput=145V

  • AC input voltage

    127 V RMS

    HalfWave

  • Minimum series resistance

    0 ohm

    HalfWave; ACInput=127V

  • DC output voltage

    137 V

    HalfWave; ACInput=127V

  • AC input voltage

    117 V RMS

    HalfWave

  • Minimum series resistance

    0 ohm

    HalfWave; ACInput=117V

  • DC output voltage

    124 V

    HalfWave; ACInput=117V

  • AC input voltage

    110 V RMS

    HalfWave

  • Minimum series resistance

    0 ohm

    HalfWave; ACInput=110V

  • DC output voltage

    115 V

    HalfWave; ACInput=110V