ISO9000 Electron tube TB4-1250 power tubes

1.ISO9001:2008& CE 2.power tubes 3.Anode cooled naturl 4.Glass-metal triode 5.Thales tube

Electrical parametersFilament voltage: 10VFilament current: 9.9AThe maximum instantaneous filament current: 15AMagnification factor: 28Transconductance: 4.5mA / VElectrode capacitance:Anode - the GRID: 8pFCathode - the GRID: 11pFAnode - Cathode: ≤ 0.35pFMechanical properties:Weight: 0.42KgInstallation: vertical, anode terminals upCooling: coolingShell and tube maximum temperature: 225 ° CSealing at the highest temperature: 220 °CLeads to the end of the maximum temperature of 180 °CMaximum ratings

The maximum anode DC voltage: 4KVMaximum Anode DC Current: 535mAMaximum GRID DC current: 115mAMaximum anode dissipation power: 450WMaximum GRID power dissipation: 50WMaximum anode input power: 2.2KWIn typical operation: class C telegraphFilament voltage: 10VAnode DC voltage: 4KVGRID DC bias voltage:-350VAnode DC Current: 535mAGRID DC current: 115mAAnode output power: 1.69KWNote: generally under matched load can be naturally cooled, but the equipment must be well ventilated, if in a non-matched load, high pressure, high-frequency conditions required for forced air cooling, ventilation should be through the outlet from the tube at the bottom of under the previous air.