Data set 01
195X Central Electronics
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Filament voltage
6 V
Filament current
6.5 A
Amplification factor
22
Other
Maximum peak anode current
2 A
Power - Triode (over 1000V 100W) ·Triode
4C28
Power and pulse triode with published transmitting-class electrical ratings and operating data.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6 V / 6.5 A
Description
4C28: Central Electronic Manufacturers power/pulse triode with published electrical ratings and operating data. The complete approved datasheet was read semantically, including specifications, maximum ratings, operating conditions, cooling requirements and characteristic data where published.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 6 V
- Nominal heater current
- 6.5 A
- 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
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Amplification factor
- 35
- Max plate voltage
- 7500 V
- Max plate dissipation
- 150 W
- Max cathode current
- 2.7 A
- Rectifier peak forward current
- 2 A
Published ratings and characteristics promoted where applicable; remaining useful published values retained as parameters.
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 Central Electronic Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Amplification factor
35
Heater/filament voltage
6 V
Heater/filament current
6.5 A
Other
Maximum plate/anode voltage
7500 V
Maximum plate/anode dissipation
150 W
Peak cathode current
2.7 A
Peak inverse voltage
8000 V
Peak anode current
2 A