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It was removed from a fully operational 1,5kW transmitter (R-140, final tube:GU-43B) applied in Russian Army at 1968-78,this device reliably worked in VietNam tropics even. Capacitor had use with 3kV anode plate with 1,5kW HF Power. See "C1" on military PA picture. Capacitor had the protective metal screen which has been removed. Has the strong body and a powerful sliding contact. The rotor rotates in bearings. Capacitor have a porcelain insulators and adjusting screws.
Perfect for tuning of Anode Loads in Power Amplifier up to 2kW at 25MHz.
CAPACITY: 30-1050 pF
TEST Voltage: 5kV 24MHz
MAX. WORKING Voltage: 4kV at 24MHz
P max on 24 MHz: 2,5kW
Temperature of work *C: -30 +100
Plate space: 4.5mm (0,17") 7500V Rate
Dimensions: 80x118x150 mm (3,20"x 4,65"D x 5,9") w/o shaft.
Tuning shaft: 8,2x12,5mm (1/3"D x 1/2"), Turn: 180 Degrees Weight: 1.6 kg (3,52 lb)