- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 7.5 V / -
Description
High-power industrial triode of simple rugged construction for RF 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
- -
- Nominal heater voltage
- 7.5 V
- Nominal heater current
- -
- 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
- Max plate voltage
- 6000 V
- Max plate dissipation
- 2000 W
Published ratings and characteristics promoted from the supplied CSF source where explicitly available. CSF HFI487 directly heated thoriated-tungsten industrial RF power triode with natural convection/radiative anode cooling. Continuous anode voltage limit 6000 V at the lower operating-frequency range, reduced to 5000 V at higher frequencies. Maximum continuous anode dissipation 2000 W; 3000 W is permitted only in specified intermittent service with duty-cycle constraints. Vertical mounting required.
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.
