Data set 01
1962 Eimac
Published operating points and test conditions from this source.
SECTION 1
Tetrode
Other
Maximum plate voltage
2600 V
Maximum screen voltage
250 V
Maximum plate dissipation
500 W
Maximum cathode/plate current
455 mA
Power - Tetrode (NOT beam) (over 1000V 100W) ·Tetrode
X2099
Quick-heating air-cooled ceramic-metal transmitting tetrode intended for push-to-talk mobile and airborne RF equipment. Rapid cathode readiness permits intermittent heater operation, while roughly 500 W plate dissipation and kilovolt plate ratings support substantial transmitter output.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 25 V / 10.5 A
Description
The EIMAC X2099 is a quick-heat air-cooled ceramic/metal tetrode for push-to-talk mobile and airborne applications.
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
- 25 V
- Nominal heater current
- 10.5 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
Tetrode
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 2600 V
- Max screen voltage
- 250 V
- Max plate dissipation
- 500 W
- Max cathode current
- 455 mA
Promoted from printed general-characteristics and maximum-ratings/operating data.
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
1965 Eimac Tube Manual
Published operating points and test conditions from this source.
SECTION 1
Tetrode
Other
up to [1]
70 A
up to 70% peak current or 50% RF power output jn 250 milliseconds.
up to [2]
50 A
up to 70% peak current or 50% RF power output jn 250 milliseconds.
up to [3]
250 A
up to 70% peak current or 50% RF power output jn 250 milliseconds.
plate dissipation of
500 W
plate dissipation of 500 watts. The tube is air cooled, ceramic-metal
Voltage, nominal (see curves)
2.5 V
Voltage, nominal (see curves) ............. 2.5V
Current, nominal (Inrush current approximately twice operating current)
10.5 mA
Current, nominal (Inrush current approximately twice operating current) 10.5 A
Input
56
Input...................... 56.0 pF
Output
6.1
Output.................... 6.1 pF
Input
33
Input..................... 33.0 pF
Output
6.2
Output.................... 6.2 pF`
Ceramic-to-Metal seals
250
Ceramic-to-Metal seals ................ 250OC
Anode core
2500
Anode core ................... 2500c
PEPorcwplateoutputpower [1]
400 W
PEPorcwplateoutputpower . . . 400 500W
PEPorcwplateoutputpower [2]
500 W
PEPorcwplateoutputpower . . . 400 500W
Zerosignalplatecurrent [1]
250 mA
Zerosignalplatecurrent .... 250 225mA Filamentcurrent . . a . . . ® 10.0 10.0 A
Zerosignalplatecurrent [2]
225 mA
Zerosignalplatecurrent .... 250 225mA Filamentcurrent . . a . . . ® 10.0 10.0 A
Zerosignalplatecurrent [3]
10 mA
Zerosignalplatecurrent .... 250 225mA Filamentcurrent . . a . . . ® 10.0 10.0 A
Zerosignalplatecurrent [4]
10 mA
Zerosignalplatecurrent .... 250 225mA Filamentcurrent . . a . . . ® 10.0 10.0 A
MaxsignalDCplatecurrent [1]
455 mA
MaxsignalDCplatecurrent . . . 455 37.OmA Warm up time to half power .... 250 250 ms
MaxsignalDCplatecurrent [2]
37 mA
MaxsignalDCplatecurrent . . . 455 37.OmA Warm up time to half power .... 250 250 ms
MaxsignalDCplatecurrent [3]
250 mA
MaxsignalDCplatecurrent . . . 455 37.OmA Warm up time to half power .... 250 250 ms
MaxsignalDCplatecurrent [4]
250 mA
MaxsignalDCplatecurrent . . . 455 37.OmA Warm up time to half power .... 250 250 ms
PINS I,
357
PINS I,3,5,7 -CONTROL GRID
PINS
2468
PINS 2,4,6,8 -HEATER CATHODE DIMENSIONAL DATA