3CX800A7
3CX800A7 is High Mu Power Triode manufactured by Svetlana.
SVETLANA TECHNICAL DATA
High-Mu Power Triode he Svetlana TM 3CX800A7 is a high performance ceramic/metal high-mu power triode designed for use in munications and industrial service. The principal use is as Class AB2, Class B and Class C RF amplifiers. The Svetlana 3CX800A7 may also be operated as a pulse modulator operating at maximum plate voltages to 4500 volts. Maximum plate current is 8 amps at a pulse duration of 100 microseconds. The Svetlana 3CX800A7 is a direct replacement for the model 3CX800A7 manufactured in the United States.
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Characteristics
Electrical
Cathode Heater Voltage (AC or DC) Heater Current @ 13.5V Amplification factor (average) Maximum Frequency for Full Ratings: CCS ICAS Interelectrode capacitances, with grid grounded: Input Output Plate-Cathode Oxide-coated unipotential 13.5 ± 0.6 V 1.5 A 200 350 MHz 450 MHz 26.0 6.1 0.05 p F p F p F
Svetlana Outline drawing
Index (aligned with missing base pin) B J K
ANODE E Grid (Contact outer cylindrical sufaces only) C A
F G L M H
Mechanical
Cooling Base Socket Anode Connector Operating position Maximum dimensions: Diameter Length Maximum operating temperature Net weight (average) Forced air large 11 pin wafer (EIA E11-81) 11 pin E.F. Johnson #124-311-100 Svetlana AC-1 any 64 mm (2.52 in.) 67 mm ( 2.63 in) 250˚ C .341 kg (0.75 lb.) 2500 600 800 4.0 60 V m A W W m A
Cathode = 1,2,3,8,9,10 Grid = 4,7,11 Heater = 5,6
6 5 4 3 2 1 11 10 7 8 9
Maximum ratings
DC plate voltage Maximum-signal DC plate current Plate Dissipation Grid Dissipation DC grid current
Dimensional Data
Dim. A B C D E F G H J K M Millimeters Min. Max. 59.44 66.88 63.119 63.881 54.66 59.74 19.964 23.013 18.034 20.066
- 35.712 4.750
- BASE: E11-81 (EIA DESIGNATION) 14.199 14.554 6.096
- 35.992 36.398 Inches Min. Max. 2.344 2.633 2.485 2.515 2.152 2.352 .786 .906 .710 .790
- 1.406 .187
- Svetlana
0.559 0.240 1.417
- 1.433
Svetlana 3CX800A7 High-Mu Power Triode
Typical Operation, Class AB2, Grounded Grid
DC...
