Data set 01
1940 Taylor Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Grid-plate capacitance
6 pF
Published general characteristics
Power - Triode (over 1000V 100W) ·Triode
T125
Taylor transmitting triode designed for efficient high-power service and interchangeable with the RCA 810. Rated around 125 W plate dissipation and 2.5 kV, it serves substantial transmitter power stages.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- 4
- Nominal heater
- 10 V / 4.5 A
Description
125-watt transmitting triode with Taylor accelerating fins, interchangeable with the RCA 810 and intended for efficient high-power service.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- 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
- 25
- Max plate voltage
- 2500 V
- Max plate dissipation
- 125 W
Maximum/characteristic values promoted where clearly published on the source sheet.
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.