Data set 01
1950 General Electric Transmitting Types
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
HeaterOrFilamentVoltage
7.5 V
HeaterOrFilamentCurrent
4 A
Other
FrequencyForMaximumRatings
250 MHz
Voltage - Triode (single) ·Triode
826
Thoriated-tungsten RF power triode for amplifier and oscillator service to approximately 250–300 MHz.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- SEPTAR7
- Base pins
- 7
- Nominal heater
- 7.5 V / 4 A
Description
Thoriated-tungsten RF power triode for amplifier/oscillator service to 250 MHz at full input and 300 MHz at reduced input.
Socket description
Septar 7-contact base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- SEPTAR7
- Base pins
- 7
- Nominal heater voltage
- 7.5 V
- Nominal heater current
- 4 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
- 31
- Max plate voltage
- 1250 V
- Max plate dissipation
- 75 W
- Max cathode current
- 140 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
31
Other
Maximum Plate Voltage
1250 V
Maximum Plate Dissipation
75 W
Maximum Cathode Current
140 mA
Full-Input Operating Frequency Maximum
250 MHz
Power Output
120 W
ClassC,RF,ForcedAirCooling
Typical Plate Voltage
1250 V
Representative published point
Typical Plate Current
125 mA
Representative published point