Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristic
HeaterOrFilamentVoltage
6.3 V
HeaterOrFilamentCurrent
450 mA
Other
Maximum Signal Power Output
1.25 W
ClassA
Power - Beam Single (NOT sweep) (under 10W) ·BeamPower
5640
Subminiature beam-power output amplifier providing a compact power stage for electronic equipment where space and weight are restricted.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 5640
- Socket code
- SUBMINIATURE6
- Base pins
- 6
- Nominal heater
- 6.3 V / 450 mA
Description
Subminiature beam-power output amplifier.
Socket description
Subminiature 6-lead base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 5640
- Socket code
- SUBMINIATURE6
- Base pins
- 6
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
5640 - 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
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 15000 Ω
- Transconductance
- 0.005 S
- Max plate voltage
- 150 V
- Max screen voltage
- 140 V
- Max plate dissipation
- 3.5 W
- Max screen dissipation
- 1 W
Beam-power amplifier; Class A output data retained.
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
195X General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Capacitance
Input Capacitance
9 pF
Output Capacitance
7 pF
Grid-to-Plate Capacitance
0.18 pF
Other
Plate Voltage
100 V
ClassA
Screen Voltage
100 V
ClassA
Grid Voltage
-9 V
ClassA
Plate Current
31 mA
ClassA
Screen Current
2.2 mA
ClassA
Load Resistance
3000 ohm
ClassA
Power Output
1.25 W
ClassA