2x 6N21B 6Н21Б NOS DUAL MINI TRIODE amplify low frequency voltage 2pcs in one lo

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eBay SOVIET MINIATURE FLEXIBLE DOUBLE TRIODE – 6N21B. The tubes are nos and have never been used. Two tubes in one lot. Double triode to amplify low frequency voltage. Weight 4.5 g. 6N21B tube parameters: (each triode) Filament voltage 6.3V Anode voltage 300V Cathode resistance for automatic bias 330 ohms Filament current 395 ±35mA Anode current 3.5 ±1.3mA Anode current difference <1.5mA Characteristic slope 3.8 ±1.2mA/V Characteristic slope at Un=5.7V >2.7mA/V Gain 82 ±18 Leakage current cathode-heater <20 µA Reverse grid current (Uc=-1.5V) <0.2 µA Vibration noise voltage <15mV Input capacitance 2.7±0.75pF Output capacitance 0.6±0.25pF Pass-through capacitance <1.4pF Capacitance between anodes <0.045pF Cathode-heater capacity <13pF Operating time >2000h Purpose of 6N21B pins: 1 cathode 1 2 screen 3 grid 1 4 anode 1 5 heat 6 cathode 2 7 circumcised 8 grid 2 9 anode 2 10 glow Connection diagram for tube electrodes 6N21B Bending and soldering of leads closer than 3mm from the body is not allowed to avoid the formation of glass cracks on the cylinder. Limit parameters of the 6N21B tube: (each triode) Filament voltage 5.7..7.0V Anode voltage 250V Locked Lamp Anode Voltage 350V Grid voltage -50V Maximum power at the anode 1.0 W Maximum voltage between cathode and heater ±200V Maximum cathode current 10mA Maximum resistance in grid circuit 2Mohm Maximum cylinder temperature +220°C Temperature range -60..+125°C We ship via International Airmail from Post Office in Kyiv. Tracking number is provided. Important notice for buyers from Canada -shipping to central and western provinces of Canada may take up to 2 months! Important information for buyers from Australia, Oceania, Central Africa and South America: due to increased shipping cost to these regions, shipping price is calculated individually. !!!Dear buyers, despite the treacherous Russion invasion of Ukraine, we are working!!! Some minor delays in the delivery may happen.

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2x 6N21B 6Н21Б NOS DUAL MINI TRIODE amplify low frequency voltage 2pcs in one lo

Frequently Asked Questions About 2x 6N21B 6Н21Б NOS DUAL MINI TRIODE amplify low frequency voltage 2pcs in one lo in My Website

What are the best-selling 2x 6N21B 6Н21Б NOS DUAL MINI TRIODE amplify low frequency voltage 2pcs in one lo on 24hournewsupdates.com?

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