Description

6J4P / EF94 / 6AU6 RUSSIAN HF PENTODE TUBE RHOMBUS/OTK/GOLD GRID NEW QTY-4 SAME DATA CODE 1987 Military equipment, " OTK ", high reliability. Military quality check passed ( rhombus ) The tubes are never used. Old stock. 6J4P radio tube high frequency pentode is a high frequency pentode with a short characteristic designed to amplify high frequency voltage. Belongs to the section of electric vacuum devices and lamps for various purposes. By design, it consists of a vacuum-sealed, rigid shell, inside which there is no oxygen. Weight is slightly more than 13 g Main technical characteristics for 6J4P: Filament voltage 6.3±0.6 V Filament current 300 ±25 mA Nominal anode voltage (DC) 250 V Anode voltage limit (constant) 300 V Anode current 11 ±3.3 mA Cathode current limit 20 mA Reverse grid current of the first is no more than 0.5 µA Grid voltage second nominal (constant) 150 V Grid voltage second limit (constant) 150 V Second grid current 4.5 ±1.7 mA The maximum power dissipated by the anode is 3.5 W Power dissipated by the second grid, maximum 0.9 W Maximum voltage between cathode and heater (constant) 90 V Characteristic slope 5.7 ±1.1 mA/V Internal resistance about 0.9 MOhm Cathode resistance for auto bias 68 ohms The resistance in the grid circuit of the first boundary is 0.5 MOhm Input capacitance 6.3 pF Output capacitance 6.3 pF Pass-through capacitance no more than 0.0035 pF Miniature glass version Durability of at least 5000 hours If you need more details, we are here to answer. Please allow for the following shipping times: EU countries: 5-8 business days, on rare occasions a few days more USA: 10-15 business days, on rare occasions more South East Asia (Japan, Singapore, S. Korea, Hong Kong, Taiwan etc) 10 business days, on rare occasions more India, China, Russia, Kazakhstan, Pakistan, Indonesia, Malaysia, Thailand, Australia, South Africa etc: at least 15 business days, but frequently around 25 business days Please note that shipping cost is calculated at average. If you have any objections please contact me for a specific quotation.