1003

Gas-filled full-wave rectifier with an ionically heated cathode for vibrator-type power supplies. It operates without a separate heater supply and provides useful current with low gas-discharge forward voltage.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: IO
Base pins: 8
Nominal heater: -

Description

Gas-filled full-wave rectifier with ionically heated cathode for vibrator-type power supplies.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: 8
Nominal heater voltage: -
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: 880 V
Rectifier nominal output current: 110 mA
Rectifier peak forward current: 330 mA
Rectifier forward voltage drop: 24 V

Values promoted from published ratings/characteristics where identifiable.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 880 V
Rectifier nominal output current: 110 mA
Rectifier peak forward current: 330 mA
Rectifier forward voltage drop: 24 V

Physical rectifier section 2; electrical properties populated from the same published ratings applicable to the identical rectifier path.

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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Mox. Peak lnverse Plate Voltage
880 volts
Mox. Peak lnverse Plate Voltage 880 volts
Max. Peak Plate Current
330 ma
Max. Peak Plate Current 330 ma.
(Full-Wave)
300 volts
(Full-Wave) 300 volts
Absolute Min, DC Output Current @
30 ma
Absolute Min, DC Output Current @ 30 ma.
per Plate ¢
300 ohms
per Plate ¢ 300 ohms

Characteristics

Peak Plate Voltage, per Plate A
440 volts
Peak Plate Voltage, per Plate A 440 volts
Total Effective Plate Supply Impedance, per Plate ¢
600 ohms
Total Effective Plate Supply Impedance, per Plate ¢ 600 ohms
Average Dynamic Voltage Drop
24 volts
Average Dynamic Voltage Drop 24 volts
DC Qutput Voltage
310 volts
DC Qutput Voltage 310 volts
® Under no circumstances should the tube be operated with less than
30 ma
® Under no circumstances should the tube be operated with less than 30 ma. of cathode current.

SECTION 2

Rectifier

Other

Mox. Peak lnverse Plate Voltage
880 volts
Mox. Peak lnverse Plate Voltage 880 volts
Max. Peak Plate Current
330 ma
Max. Peak Plate Current 330 ma.
(Full-Wave)
300 volts
(Full-Wave) 300 volts
Absolute Min, DC Output Current @
30 ma
Absolute Min, DC Output Current @ 30 ma.
per Plate ¢
300 ohms
per Plate ¢ 300 ohms

Characteristics

Peak Plate Voltage, per Plate A
440 volts
Peak Plate Voltage, per Plate A 440 volts
Total Effective Plate Supply Impedance, per Plate ¢
600 ohms
Total Effective Plate Supply Impedance, per Plate ¢ 600 ohms
Average Dynamic Voltage Drop
24 volts
Average Dynamic Voltage Drop 24 volts
DC Qutput Voltage
310 volts
DC Qutput Voltage 310 volts
® Under no circumstances should the tube be operated with less than
30 ma
® Under no circumstances should the tube be operated with less than 30 ma. of cathode current.