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Rectifier - Full Wave ·Rectifier-Rectifier

5AS4A

Directly heated full-wave vacuum rectifier with two identical diode systems. Its heavy five-volt filament and substantial current capability suit high-current conventional power supplies.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 5T
Socket code: IO
Base pins: 5
Nominal heater: 5 V / 3 A

Description

Full-wave vacuum rectifier with two identical diode systems and directly heated filament.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 5T
Socket code: IO
Base pins: 5
Nominal heater voltage: 5 V
Nominal heater current: 3 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

5T - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1IS	A	IS — Internal Screen EIA chart transcription; manufacturer corroboration pending	Unverified EIA Base Connections, printed page 127, 5T
PIN2F	—	F — Filament EIA chart transcription; manufacturer corroboration pending	Unverified EIA Base Connections, printed page 127, 5T
PIN4P1	A	P — Plate (Anode) EIA chart transcription; manufacturer corroboration pending; preserve source designation P1	Unverified EIA Base Connections, printed page 127, 5T
PIN6P2	A	P — Plate (Anode) EIA chart transcription; manufacturer corroboration pending; preserve source designation P2	Unverified EIA Base Connections, printed page 127, 5T
PIN8F	—	F — Filament EIA chart transcription; manufacturer corroboration pending	Unverified EIA Base Connections, printed page 127, 5T

Section ratings

2 physical sections, each with unique specifications.

Section 1

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1550 V
Rectifier nominal output current: 300 mA
Rectifier peak forward current: 1 A
Rectifier forward voltage drop: 54 V

Representative row for two identical full-wave rectifier plates.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 1550 V
Rectifier nominal output current: 300 mA
Rectifier peak forward current: 1 A
Rectifier forward voltage drop: 54 V

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

Fitament Voltage, ACor DC....... ... ... ... .......... 5.0 Volts
5 V
Fitament Voltage, ACor DC....... ... ... ... .......... 5.0 Volts
Filament Current........... ... ... .. . ... ... .. ... .. 3.0 Amperes
3 A
Filament Current........... ... ... .. . ... ... .. ... .. 3.0 Amperes
Effective Plate-Supply Resistance Each Plate. . 21 67 Ohms
67 Ohms
Effective Plate-Supply Resistance Each Plate. . 21 67 Ohms
DC Qutput Current. .. ...................... 300 275 Ma
275 Ma
DC Qutput Current. .. ...................... 300 275 Ma
AC Plate Supply Voltage Each Plate, RMS¢. ... .. .. . .. 550 Volts
550 V
AC Plate Supply Voltage Each Plate, RMS¢. ... .. .. . .. 550 Volts

Other

Peak Inverse Plate Voltage. .. ....... ... .............. 1550 Volts Max.
1550 V
Peak Inverse Plate Voltage. .. ....... ... .............. 1550 Volts Max.

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

AC plate-to-plate supply voltage RMS
600 V
CapacitorInputFilter
Filter input capacitor
40 uF
CapacitorInputFilter
DC output voltage at filter input
290 V
CapacitorInputFilter

Data set 03

1965 Westinghouse Data Book

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Peak inverse plate voltage maximum
1550 V
AC plate supply voltage per plate
350 V RMS
CapacitorInputFilter
Input capacitor
40 uF
CapacitorInputFilter
DC output current
350 mA
CapacitorInputFilter
DC output voltage at filter input
360 V
CapacitorInputFilter
AC plate supply voltage per plate
550 V RMS
ChokeInputFilter
Input choke
10 H
ChokeInputFilter
DC output current
325 mA
ChokeInputFilter
DC output voltage at filter input
480 V
ChokeInputFilter

Characteristics

Heater voltage
5 V
Heater current
3 A

Application

Application
Full-wave power-supply rectifier

SECTION 2

Rectifier

Other

Peak inverse plate voltage maximum
1550 V
AC plate supply voltage per plate
350 V RMS
CapacitorInputFilter
Input capacitor
40 uF
CapacitorInputFilter
DC output current
350 mA
CapacitorInputFilter
DC output voltage at filter input
360 V
CapacitorInputFilter
AC plate supply voltage per plate
550 V RMS
ChokeInputFilter

Characteristics

Heater voltage
5 V
Heater current
3 A

Data set 04

1966 Tung Sol Electronic Tubes 1 of 4

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

FILAMENT VOLTAGE
5 V
Maximum Ratings | FILAMENT VOLTAGE 5 VOLTS
MAXIMUM AC PLATE SUPPLY VOLTAGE (RMSJ PER PLATE
550 V
Maximum Ratings | MAXIMUM AC PLATE SUPPLY VOLTAGE (RMSJ PER PLATE 550 VOLT
FILAMENT CURRENT
3 A
Typical Operating Conditions | FILAMENT CURRENT 3 3 AMP.
TOTAL EFFECT. PLATE SUPPLY IMPEDANCE(PER PLATE)
7 ohm
Typical Operating Conditions | TOTAL EFFECT. PLATE SUPPLY IMPEDANCE(PER PLATE) 2Z G7 OHMS
DC OUTPUT CURRENT
275 mA
Typical Operating Conditions | DC OUTPUT CURRENT 3OO 275 MA.
Current per Plate of
1 A
Typical Operating Conditions | Current per Plate of 1.0 Amp.
MAX. HOT SWITCHING CURRENT
4.6 A
Typical Operating Conditions | MAX. HOT SWITCHING CURRENT = 4.6 AMP.

SECTION 2

Rectifier

Other

FILAMENT VOLTAGE
5 V
Maximum Ratings | FILAMENT VOLTAGE 5 VOLTS
MAXIMUM AC PLATE SUPPLY VOLTAGE (RMSJ PER PLATE
550 V
Maximum Ratings | MAXIMUM AC PLATE SUPPLY VOLTAGE (RMSJ PER PLATE 550 VOLT

Data set 05

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

AC plate supply voltage per plate
300 V
CapacitorInputFilter
Filter input capacitor
40 uF
CapacitorInputFilter
Effective plate supply resistance per plate
21 ohm
CapacitorInputFilter
DC output current
300 mA
CapacitorInputFilter
DC output voltage
290 V
CapacitorInputFilter
AC plate supply voltage per plate
450 V
CapacitorInputFilter
Effective plate supply resistance per plate
67 ohm
CapacitorInputFilter
DC output current
275 mA
CapacitorInputFilter
DC output voltage
460 V
CapacitorInputFilter
AC plate supply voltage per plate
550 V
ChokeInputFilter
Filter input choke
10 H
ChokeInputFilter
DC output current
275 mA
ChokeInputFilter
DC output voltage
420 V
ChokeInputFilter