1 LOTS = 2 TUBES 6F4P Item specifics:The main technical characteristics of 6F4P The filament voltage …… 6.3 ± 0.6VCurrent of glow …… 720 ± 60 mA Triodic part:The anode voltage is nominal (constant) …… 200 VAnode voltage limit (constant) …… 250 VAnode current …… 3 ± 0.9 mACathode limiting current …… 12 mAPower dissipated by the anode, limiting …… 1 WThe steepness of the characteristic …… 4 ± 1 mA / VGain factor …… 65Resistance in the cathode circuit for automatic bias …… 600 OhmResistance in the grid limit chain …… 1 MΩInput capacitance …… 4 pFOutput capacity …… 0.6 pFContinuous capacity …… 2.7 pF Pentodnaya part:The anode voltage is nominal (constant) …… 170 VAnode voltage limit (constant) …… 250 VAnode current …… 18 ± 6 mACathode limiting current …… 40 mAThe grid voltage is the second rated (constant) …… 170 VThe grid voltage is the second limiting (constant) … 250 VThe current of the grid is the second …… not more than 7 mAPower dissipated by the anode, limiting …… 4 WThe power dissipated by the grid is the second, the limiting …… 1.7 WThe steepness of the characteristic …… 11 ± 9.5 mA / VInternal resistance …… 100 kΩResistance in cathode circuit for automatic bias …… 100 OhmResistance in the grid circuit is the first limit … 1 MΩInput capacity …… 9.5 pFOutput capacity …… 4 pFThroughput capacity …… not more than 0.1 pF Item description from the seller:RUSSIAN TUBES – LAST LETTERS (suffix) MEANING:V (B) – Tubes of increased reliability and mechanical strength. E – Long-life tubes with guaranteed life of more than 5,000 hours.EV (EB) – Tubes of increased reliability, mechanical strength guaranteed life of more than 5,000 hours.D (Д) – Extremely durable tubes with guaranteed life of more than 10,000 hours.DR (ДР) – Tubes of special, very high reliability, mechanical strength, and guaranteed life of more than 10,000 hours.I (И) – Tubes designed to operate in pulsed mode, characterized by increased emissivity of the cathode.K – Tubes with high vibration resistance.R (P) – Tubes of special, very high reliability, mechanical strength.OS (ОС) – Tubes special assembly (for the aviation industry). Shipment =========Sending parcels with a track number worldwide by airmailEstimate delivery time is 10-40 working days.
Item Tag: 6F4P
6F4P x 2pcs ( ECL84, 6DX8, 6DQ8 ) – HF Triode-Pentode – NOS – TESTED!
1 LOTS = 2 TUBES 6F4P Item specifics:The main technical characteristics of 6F4P The filament voltage …… 6.3 ± 0.6VCurrent of glow …… 720 ± 60 mA Triodic part:The anode voltage is nominal (constant) …… 200 VAnode voltage limit (constant) …… 250 VAnode current …… 3 ± 0.9 mACathode limiting current …… 12 mAPower dissipated by the anode, limiting …… 1 WThe steepness of the characteristic …… 4 ± 1 mA / VGain factor …… 65Resistance in the cathode circuit for automatic bias …… 600 OhmResistance in the grid limit chain …… 1 MΩInput capacitance …… 4 pFOutput capacity …… 0.6 pFContinuous capacity …… 2.7 pF Pentodnaya part:The anode voltage is nominal (constant) …… 170 VAnode voltage limit (constant) …… 250 VAnode current …… 18 ± 6 mACathode limiting current …… 40 mAThe grid voltage is the second rated (constant) …… 170 VThe grid voltage is the second limiting (constant) … 250 VThe current of the grid is the second …… not more than 7 mAPower dissipated by the anode, limiting …… 4 WThe power dissipated by the grid is the second, the limiting …… 1.7 WThe steepness of the characteristic …… 11 ± 9.5 mA / VInternal resistance …… 100 kΩResistance in cathode circuit for automatic bias …… 100 OhmResistance in the grid circuit is the first limit … 1 MΩInput capacity …… 9.5 pFOutput capacity …… 4 pFThroughput capacity …… not more than 0.1 pF Item description from the seller:RUSSIAN TUBES – LAST LETTERS (suffix) MEANING:V (B) – Tubes of increased reliability and mechanical strength. E – Long-life tubes with guaranteed life of more than 5,000 hours.EV (EB) – Tubes of increased reliability, mechanical strength guaranteed life of more than 5,000 hours.D (Д) – Extremely durable tubes with guaranteed life of more than 10,000 hours.DR (ДР) – Tubes of special, very high reliability, mechanical strength, and guaranteed life of more than 10,000 hours.I (И) – Tubes designed to operate in pulsed mode, characterized by increased emissivity of the cathode.K – Tubes with high vibration resistance.R (P) – Tubes of special, very high reliability, mechanical strength.OS (ОС) – Tubes special assembly (for the aviation industry). Shipment =========Sending parcels with a track number worldwide by airmailEstimate delivery time is 10-40 working days.