Data set 01
1950 General Electric Transmitting Types
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
HeaterOrFilamentVoltage
10 V
HeaterOrFilamentCurrent
4.5 A
Other
FrequencyForMaximumRatings
30 MHz
Power - Triode (over 1000V 100W) ·Triode
810
High-mu transmitting power triode for efficient RF amplifier and oscillator final stages. With about 175 W plate dissipation and multi-kilovolt capability, it also supports substantial Class B audio operation.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- UX4
- Base pins
- 4
- Nominal heater
- 10 V / 4.5 A
Description
Transmitting triode for RF power-amplifier and oscillator final-stage service.
Socket description
Medium-shell UX 4-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- UX4
- Base pins
- 4
- Nominal heater voltage
- 10 V
- Nominal heater current
- 4.5 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
- 36
- Max plate voltage
- 2250 V
- Max plate dissipation
- 175 W
- Max cathode current
- 300 mA
Published ratings and characteristics promoted from the supplied General Electric source.
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
1956 RCA Transmitting Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Amplification Factor
36
Other
Maximum Plate Voltage
2750 V
Maximum Plate Dissipation
175 W
Maximum Cathode Current
300 mA
Full-Input Operating Frequency Maximum
40 MHz
Power Output
725 W
ClassB,AF,TwoTubes
Typical Plate Voltage
2250 V
Representative published point
Typical Plate Current
250 mA
Representative published point
Data set 03
1958 Amperex Industrial
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Maximum plate voltage
2250 V
Published Amperex table
Power output
475 W
Published Amperex table
Plate dissipation
125 W
Published Amperex table
Plate current
275 mA
Published Amperex table
Grid bias
160 V
Published Amperex table
Grid current
10 mA
Published Amperex table
Maximum frequency
30 MHz
Published Amperex table
Characteristic
Amplification factor
36
Published Amperex table
Heater/filament voltage
10 V
Published Amperex table
Heater/filament current
4.5 A
Published Amperex table
Data set 04
1963 Amperex Condensed
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate voltage
2000 V
RFPower
Plate current
250 mA
RFPower
Power output
375 W
RFPower
Grid voltage
-160 V
RFPower
Grid current
40 mA
RFPower
Maximum frequency
100 MHz
RFPower
Capacitance
Grid-to-plate capacitance
4.8 pF
Input capacitance
8.7 pF
Output capacitance
12 pF