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Rectifier - Full Wave ·Rectifier-Rectifier

EZ81

Indirectly heated twin-anode full-wave rectifier for higher-current electronic power supplies. Its 6.3 V heater and substantial output capability suit amplifiers and other demanding DC loads.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 1 A

Description

Twin-anode full-wave rectifier for higher-current power-supply service.

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
-
Socket code
B9A
Base pins
9
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
Max plate voltage
1300 V
Rectifier peak inverse voltage
1300 V
Rectifier nominal output current
180 mA
Rectifier peak forward current
500 mA
Rectifier max heater-cathode voltage
500 V

Double-anode rectifying tube; repeated identical rectifier sections compressed to one emitted section row.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
1300 V
Rectifier nominal output current
180 mA
Rectifier peak forward current
500 mA
Rectifier max heater-cathode voltage
500 V

Physical rectifier section 2; identical section values duplicated per physical-section policy.

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

    1 A

    Published nominal value

Other

  • Maximum transformer RMS voltage

    350 V

    Per anode

  • Maximum rectifier capacitor

    50 uF

    Published

Data set 02

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Transformer voltage maximum

    2x350 V

    FullWave

  • DC output current maximum

    150 mA

  • Peak plate current maximum

    450 mA

  • Rectified DC voltage

    350 V

    At2x350VInput

Data set 03

1956 Amperex Hi Fi Brochure

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC Supply Plate-to-Plate RMS Voltage

    700 V

  • Maximum Reservoir Capacitance

    50 uF

    CapacitorInputFilter

  • AC Supply Plate-to-Plate RMS Voltage

    500 V

    CapacitorInputFilter

  • DC Output Voltage

    245 V

    CapacitorInputFilter; OutputCurrent=150mA

  • Limiting Resistor per Plate

    150 ohm

    CapacitorInputFilter; Input=500Vrms

  • AC Supply Plate-to-Plate RMS Voltage

    700 V

    CapacitorInputFilter

  • DC Output Voltage

    347 V

    CapacitorInputFilter; OutputCurrent=150mA

  • Limiting Resistor per Plate

    240 ohm

    CapacitorInputFilter; Input=700Vrms

Data set 04

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC supply voltage per plate

    350 V RMS

    CapacitorInputFilter

  • DC output current

    150 mA

    CapacitorInputFilter

  • Maximum input capacitor

    50 µF

    CapacitorInputFilter

  • DC output voltage

    347 V

    CapacitorInputFilter

Data set 05

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    1 A

Other

  • RMSInputPerAnode

    350 V

Data set 06

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

    1 A

    Published nominal value

Data set 07

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC supply voltage per plate

    350 V RMS

    FullWave

  • DC output current maximum

    150 mA

    FullWave

  • Maximum input capacitor

    50 µF

    CapacitorInputFilter

  • DC output voltage

    347 V

    FullWave

Data set 08

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC input voltage per plate

    250 V RMS

    CapacitorInputFilter

  • Filter capacitance

    50 uF

    CapacitorInputFilter

  • Minimum series resistance per plate

    150 ohm

    CapacitorInputFilter

  • DC output current

    160 mA

    CapacitorInputFilter

  • DC output voltage

    245 V

    CapacitorInputFilter

  • AC input voltage per plate

    350 V RMS

    CapacitorInputFilter

  • Minimum series resistance per plate

    230 ohm

    CapacitorInputFilter

  • DC output current

    150 mA

    CapacitorInputFilter; ACInput=350V

  • DC output voltage

    352 V

    CapacitorInputFilter; ACInput=350V

  • AC input voltage per plate

    450 V RMS

    CapacitorInputFilter

  • Minimum series resistance per plate

    310 ohm

    CapacitorInputFilter; ACInput=450V

  • DC output current

    100 mA

    CapacitorInputFilter; ACInput=450V

  • DC output voltage

    497 V

    CapacitorInputFilter; ACInput=450V

  • AC input voltage per plate

    250 V RMS

    ChokeInputFilter

Data set 09

1967 Mullard Receiving Tubes for Maintenance

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • P.I.V. max

    1.3 V

    Characteristic

  • R" m (pe r anode)

    310

    Characteristic

  • t he lim iti ng res ist ance . Rat ing cha rt

    2

    Characteristic

  • w it h rat ing ch art

    3 w

    Characteristic

  • 1 Bo undary fo r o pe ra tio n w it h c_

    1 w

    Characteristic

  • ) Rl im = R s + n

    2

    Characteristic

Data set 10

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal or stated operating value

  • Heater or filament current

    1 A

    Published nominal or stated operating value

Other

  • Maximum rectifier capacitor

    50 uF

    Capacitor-input filter

Data set 11

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • TransformerVoltage

    450 V RMS

    FullWave;PerAnode

Data set 12

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

Data set 13

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Transformer voltage Vir

    450 V

    Transformer voltage Vir 2x450 VRMS

  • D.C. current I

    100 mA

    D.C. current I 100 mA

  • Heater voltage Vi

    6.3 V

    Heater voltage Vi 6.3 V

  • Heater current Ie

    1 A

    Heater current Ie 1 A

  • Transformer voltage Ver

    450 V

    Transformer voltage Ver 2x250 2x350 2x450 VRMS

  • D.C. current Iy

    100 mA

    D.C. current Iy 160 150 100 mA

  • Transformer voltage Ver

    450 V

    Transformer voltage Ver 2x250 2x350 2x450 Vpms

  • D.C. current I,

    150 mA

    D.C. current I, 180 180 150 mA

  • Anode voltage, peak inverse max

    1300 V

    Anode voltage, peak inverse max. 1300 V

  • Anode current, peak max

    500 mA

    Anode current, peak max. 500 mA

  • surge max

    1.8 A

    surge max. 1.8 A

  • Cathode to heater voltage, k pos max

    500 V

    Cathode to heater voltage, k pos max. 500 V

  • Input capacitor of smoothing filter max,

    50 w

    Input capacitor of smoothing filter max, 50 wuF

  • Published electrical value

    30 V

    % 00 200 300 400 500 0 0 20 30 VaV) 40

Data set 14

199X JJ

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • TransformerSeriesResistancePerPlate

    150 ohm

    CapacitorInputFilter;50Hz;ACPerPlate=250V

  • DC Output Current

    160 mA

    CapacitorInputFilter;50Hz;ACPerPlate=250V

  • FilterCapacitance

    50 uF

    CapacitorInputFilter;50Hz;ACPerPlate=250V

  • DC Output Voltage

    245 V

    CapacitorInputFilter;50Hz;ACPerPlate=250V

  • TransformerSeriesResistancePerPlate

    230 ohm

    CapacitorInputFilter;50Hz;ACPerPlate=350V

  • DC Output Current

    150 mA

    CapacitorInputFilter;50Hz;ACPerPlate=350V

  • FilterCapacitance

    50 uF

    CapacitorInputFilter;50Hz;ACPerPlate=350V

  • DC Output Voltage

    352 V

    CapacitorInputFilter;50Hz;ACPerPlate=350V

  • TransformerSeriesResistancePerPlate

    310 ohm

    CapacitorInputFilter;50Hz;ACPerPlate=450V

  • DC Output Current

    100 mA

    CapacitorInputFilter;50Hz;ACPerPlate=450V

  • FilterCapacitance

    50 uF

    CapacitorInputFilter;50Hz;ACPerPlate=450V

  • DC Output Voltage

    497 V

    CapacitorInputFilter;50Hz;ACPerPlate=450V

  • DC Output Current

    180 mA

    ChokeInputFilter;50Hz;ACPerPlate=250V

  • ChokeInductance

    10 H

    ChokeInputFilter;50Hz;ACPerPlate=250V

  • DC Output Voltage

    199 V

    ChokeInputFilter;50Hz;ACPerPlate=250V

Data set 15

2026 JJ Electronic

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Uf

    6.3 V

    Published value

  • If

    1 A

    Published value

  • f

    50

    Published value

  • ID.C.

    160

    Published value

  • C

    50

    Published value

  • f

    50

    Published value

  • ID.C.

    180

    Published value

  • L

    10

    Published value

  • UD.C.

    199

    Published value

  • Ua invp

    1300 V

    Published value

  • Ip

    500 mA

    Published value

  • Ukf

    500 V

    Published value

  • Cfilt max.

    50 µF

    Published value

  • Lmin.

    1 H

    Published value