Skip to main content

Rectifier - Half Wave ·Rectifier

EY82

Indirectly heated single-anode rectifier for power-supply service. Its 6.3 V heater and moderate current capability suit receiver, amplifier, and general electronic DC supplies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
9C12
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 900 mA

Description

Single-anode rectifier for power-supply service. Indirectly heated Mazda/Belvu receiving tube; descriptive text translated to English from the French source.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
9C12
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
900 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

9C12 - 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
850 V
Rectifier nominal output current
180 mA
Rectifier peak forward current
1.1 A
Rectifier max heater-cathode voltage
450 V

Published section ratings and characteristics promoted where applicable.

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

Characteristics

  • Heater voltage

    6.3 V

    Published nominal value

  • Heater current

    900 mA

    Published nominal value

Other

  • Maximum transformer RMS voltage

    300 V

    Single-tube service

  • Maximum rectifier capacitor

    60 uF

    Published

Data set 02

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Transformer voltage

    250 V

  • Rectified current

    180 mA

  • Transformer voltage maximum

    250 V

  • Inverse plate voltage maximum

    700 V

  • DC output current maximum

    180 mA

Data set 03

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater voltage

    6.3 V

    Published nominal value

  • Heater current

    300 mA

    Published nominal value

Data set 04

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC input voltage

    250 V RMS

    TwoTubes; FullWave

  • DC output voltage

    225 V

    TwoTubes; FullWave

  • DC output current

    360 mA

    TwoTubes; FullWave

  • Series resistance

    75 ohm

    PerPlate; ACInput=250V

  • AC input voltage

    280 V RMS

    TwoTubes; FullWave

  • DC output voltage

    250 V

    TwoTubes; FullWave

  • Series resistance

    95 ohm

    PerPlate; ACInput=280V

  • AC input voltage

    300 V RMS

    TwoTubes; FullWave

  • DC output voltage

    268 V

    TwoTubes; FullWave

  • Series resistance

    110 ohm

    PerPlate; ACInput=300V

  • Maximum peak inverse voltage

    850 V

  • Maximum DC output current

    360 mA

    TwoTubes; FullWave

  • Maximum peak current per diode

    1.1 A

  • Maximum heater-cathode voltage

    450 V

  • Maximum filter capacitance

    60 uF

Data set 05

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Tension filament ….…..…..…..…….éoseriesesesnesears onsecsancecsesesscoseenss VE

    6.3 V

  • Courant filAment …....….….….…….…ererresecemaen sacacosececoenme cncaemsecsensenccss IË

    900 mA

  • Tension inverse de crête d'anode …… Vaier

    850 V

  • Courant redressé… - - … Ired

    360 mA

  • Tensmn de crête entre filament et cathode …r…c0-e… VÉK CT

    450 V

Characteristic

  • Courant de crête d'anode (1) uus … Iacr

    1.1 A

  • Tension redressÉ®e ……s Vred 225 250

    268 V

  • Courant redressé ……s Ired 360 360

    360 mA

Data set 06

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Published electrical datum

    900 mA

    Heizung : indirekt durch Wechsel- = 900 mA

  • Published electrical datum

    268 v

    Vg = 225 250 268 v

  • Published electrical datum

    360 mA

    Io = 360 360 360 mA

  • Published electrical datum

    60 µF

    Crily = 60 60 60 uF

  • Published electrical datum

    250 V

    X 3+ V= 2x 250V,¢iRp= 2x 7502

  • Published electrical datum

    -

    0 00 200 300 I(mA) 400

Other

  • Published electrical datum

    0 Veff

    Vir = max. 2x300 Veff

  • Published electrical datum

    850 V

    Va invp = max. 850 V

  • Published electrical datum

    360 mA

    Io = max. 360 mA

  • Published electrical datum

    1.1 A

    Iap‘) = max. 1,1 A

  • Published electrical datum

    60 µF

    Criit = max. 60 uF )

  • Published electrical datum

    100 µF

    ) When Ry is increaged by 10 Q, Crijt = max. 100 uF

  • Published electrical datum

    100 pF

    51 Rt est augmenté de 10 @, Crijt = max. 100 pF

  • Published electrical datum

    100 µF

    Wenn Ry um 10 Q erhdht wird, ist Crilt = max. 100 uF

  • Heater voltage

    6.3 V

    Nominal heater rating

  • Heater current

    900 mA

    Nominal heater rating