Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
DC output current capacitor-input
70 mA
CapacitorInputFilter
DC output current choke-input
70 mA
ChokeInputFilter
Rectifier - Full Wave ·Rectifier-Rectifier
6X4
Miniature full-wave vacuum rectifier for receiver and general electronic power supplies. Rated for approximately 1.25 kV peak inverse voltage, 70 mA DC output, and 245 mA peak current.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 5S
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 600 mA
Description
6X4 is a Rectifier vacuum tube documented in the RCA Receiving Tube Manual. The supplied excerpt was reviewed for heater data, section arrangement, maximum ratings, electrical characteristics, interelectrode capacitances, typical operating conditions, and stated applications.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 5S
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
5S - 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, 5S |
| PIN2F | — | F — Filament EIA chart transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 127, 5S |
| PIN3P | A | P — Plate (Anode) EIA chart transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 127, 5S |
| PIN5G1 | A | G1 — Control Grid EIA chart transcription; manufacturer corroboration pending; preserve source designation G1 | Unverified EIA Base Connections, printed page 127, 5S |
| PIN7F | — | F — Filament EIA chart transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 127, 5S |
Section ratings
2 physical sections, each with unique specifications.
Section 1
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 1250 V
- Rectifier nominal output current
- 70 mA
- Rectifier peak forward current
- 245 mA
- Rectifier forward voltage drop
- 22 V
- Rectifier max heater-cathode voltage
- 450 V
Representative row for two identical rectifier sections; peak inverse, steady-state peak plate current and typical full-wave output values mapped from source.
Section 2
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 1250 V
- Rectifier nominal output current
- 70 mA
- Rectifier peak forward current
- 245 mA
- Rectifier forward voltage drop
- 22 V
- Rectifier max heater-cathode voltage
- 450 V
Second physical rectifier section; electrical properties populated from corresponding identical section.
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 02
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
600 mA
Data set 03
195X General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Maximum peak inverse voltage
1250 V
Nominal DC output current
70 mA
Maximum peak forward current
210 mA
Maximum RMS supply voltage
325 V
Characteristic
Forward voltage drop
22 V
Forward-voltage-drop test current
70 mA
Data set 04
1961 Ferranti Technical Handbook
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak Inverse Voltage
1250 V
Peak Anode Current
200 mA
RMS Input Voltage per Anode
450 V
Data set 05
1963 Amperex Condensed
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
Heater/filament voltage
6.3 V
Published rating
Heater/filament current
600 mA
Published rating
Other
AC supply voltage plate-to-plate
2x325 V RMS
FullWave
DC output current
70 mA
FullWave
Maximum capacitor-input filter capacitance
10 uF
CapacitorInputFilter
DC output voltage
310 V
FullWave
Data set 06
1965 Sylvania Electronic Tubes Vol3
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak inverse plate voltage
1250 V
Steady-state peak plate current per plate
245 mA
Transient peak plate current per plate
1.1 A
Duration<=0.2s
DC output current
70 mA
DC output voltage
385 V
Iout=70mA
Data set 07
1966 Tung Sol Electronic Tubes 2 of 4
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Steady-state peak plate current per plate
245 mA
Transient peak plate current per plate
1.1 A
AC plate voltage per plate
325 V
CapacitorInputFilter
Input capacitor
10 uF
CapacitorInputFilter
DC output current
70 mA
CapacitorInputFilter
AC plate voltage per plate
400 V
ChokeInputFilter
Input choke
10 H
ChokeInputFilter
DC output current
70 mA
ChokeInputFilter
Characteristic
Tube voltage drop at 70 mA per plate
22 V
Data set 08
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
AC Plate-Supply Voltage per Plate
450 V
ChokeInputFilter
AC Plate-Supply Voltage per Plate
325 V
CapacitorInputFilter
DC Output Voltage at Filter Input
340 V
ChokeInputFilter;Iout=70mA
DC Output Voltage at Filter Input
310 V
CapacitorInputFilter;Iout=70mA
Data set 09
1971 RCA HB3 Binder 5 of 7
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Heater voltage
6.3 V
Heater current
600 mA
Peak inverse voltage
1250 V
FullWave
DC output current
70 mA
FullWave
Peak plate current per plate
245 mA
EachPlate
Maximum heater-cathode voltage
450 V
AC plate voltage per plate
325 V
CapacitorInputFilter
Characteristic
Forward voltage drop
22 V
Data set 10
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
volte
4 V
Characteristic;PublishedValue1
volte
3 V
Characteristic;PublishedValue2
volte
6 V
Characteristic;PublishedValue3
missible heater-voltage range is from
6 V
Characteristic;PublishedValue1
missible heater-voltage range is from
8 V
Characteristic;PublishedValue2
Other
Peak Inverse Plate Voltage
1250 V
MaximumRating
Steady-State Peak Plate Current (Per Plate)
245 mA
MaximumRating
DC Output Voltage (At filter input)t
360 V
MaximumRating
Average Output Current (Each plate)t
45 mA
MaximumRating
cycle
75 %
MaximumRating
per plate of
1.1 A
MaximumRating
Ef=
6 V
TypicalOperation;PublishedValue1
Ef=
6.3 V
TypicalOperation;PublishedValue2
Ef=
60 V
TypicalOperation;PublishedValue3
„„ .„ (
520 ohm
TypicalOperation
PER PLATE ^
400 ohm
TypicalOperation;PublishedValue1
PER PLATE ^
6 ohm
TypicalOperation;PublishedValue2
PER PLATE ^
-8 ohm
TypicalOperation;PublishedValue3
Effective Plate Supply Impedance (Each plate)
525 ohm
TypicalOperation
< „. II
6.3 V
TypicalOperation
Peak Inverse Plate Voltage
1250 V
Section1
Nominal Output Current
70 mA
Section1
Peak Forward Current
245 mA
Section1
Maximum Heater-Cathode Voltage
450 V
Section1