Power - Triode (over 1000V 100W) ·Triode
Small planar high-mu power triode for VHF/UHF RF amplifier and oscillator service.
The EIMAC 3X100A5 is a small planar high-mu power triode for VHF/UHF RF amplifier and oscillator service.
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Maximum ratings promoted from the printed service-rating tables; typical operating values are preserved as parameters.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Grid-Plate - - - - - o 5 o - 1.86 216 uuf
216 pF
Grid-Cathode - - - - - = - - 5.60 7.60 uuf
7.6 pF
Plate-Cathode - - - - - - - a o - 0.035 uuf
0.035 pF
Maximum plate voltage
1000 V
Maximum plate/cathode current
125 mA
Maximum plate dissipation
100 W
Maximum grid dissipation
2 W
Data set 02
Published operating points and test conditions from this source.
Heater/filament voltage
6.3 V
Heater/filament current
1.025 A
Amplification factor
100
Transconductance
25000 uS
Input/grid-cathode capacitance
5.6 pF
Output/plate-cathode capacitance
7.6 pF
Feedback/grid-plate capacitance
0.035 pF
Maximum plate voltage
2500 V
Maximum plate dissipation
70 W
Maximum grid dissipation
2 W
Maximum plate/cathode current
125 mA
Frequency for maximum ratings
2500 MHz
Heater heating time
60 s
Useful RF output at 500 MHz
27 W
500MHz
Useful oscillator output at 2500 MHz
12 W
2500MHz