Data set 01
1958 Compagnie General
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristics
Heater Voltage
6.3 V
Heater Current
300 mA
Other
Maximum Plate Voltage
300 V
Maximum Screen Voltage
150 V
Voltage Pentode - Remote Cutoff (single) ·Pentode
5749
Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- E7-1
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 300 mA
Description
Variable-mu voltage pentode for RF and IF amplification and automatic-gain-control service.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- E7-1
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
E7-1 - 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
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 1000000 Ω
- Transconductance
- 0.0044 S
- Max plate voltage
- 330 V
- Max screen voltage
- 150 V
- Max plate dissipation
- 3.3 W
- Max screen dissipation
- 0.7 W
- Rectifier max heater-cathode voltage
- 90 V
Remote-cutoff pentode; 250-V operating-condition characteristics promoted.
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
1960 RCA Industrial and Communications Types
Published operating points and test conditions from this source.
SECTION 1
Pentode
CrossReference
Prototype / equivalent family
6BA6W
Characteristics
Cutoff characteristic
Remote cutoff
Application
Application
RF / IF amplifier
Data set 03
1966 Tung Sol Electronic Tubes 3 of 4
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Maximum grid-1-to-plate capacitance
0.0035 pF
WholeTube
Input capacitance
5.5 pF
WholeTube
Output capacitance
5 pF
WholeTube
Other
Maximum DC plate voltage
330 V
WholeTube
Maximum screen voltage
150 V
WholeTube
Maximum plate dissipation
3.3 W
WholeTube
Maximum screen dissipation
0.7 W
WholeTube
Plate voltage
100 V
100VPoint
Screen voltage
100 V
100VPoint
Transconductance
4300 µS
100VPoint
Plate resistance
250000 ohm
100VPoint
Plate current
10.8 mA
100VPoint
Screen current
4.4 mA
100VPoint
Plate voltage
250 V
250VPoint
Screen voltage
100 V
250VPoint
Transconductance
4400 µS
250VPoint
Plate resistance
1000000 ohm
250VPoint
Plate current
11 mA
250VPoint
Screen current
4.2 mA
250VPoint
Data set 04
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Plate Voltage
250 V
ClassA
Screen Voltage
100 V
ClassA
Characteristic
Plate Current
11 mA
ClassA
Screen Current
4.2 mA
ClassA
Data set 05
1968 Mazda Belvu
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
HeaterVoltageNominal
6.3 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Plate Voltage
300 V
Maximum Screen Voltage
300 V
Maximum Plate Dissipation
3 W
Maximum Screen Dissipation
0.6 W
Characteristic
Transconductance
4400 µS
Typical
Plate Resistance
1000000 ohm
Typical