GU-19-1 GU19-1 a-g QQV06-40 vacuum double tetrode tube soviet lamp USSR NOS

Description: GU-19-1 GU19-1 a-g QQV06-40 vacuum double tetrode tube soviet lamp USSR NOS The GU-19-1 double tetrode is used as an oscillator, power amplifier, frequency multiplier and modulator tube in RF equipment. Cathode: indirectly heated, oxide-coated. Envelope: glass, with base. Height: at most 100 mm. Diameter: at most 40 mm. Mass: at most 100 g. OPERATING ENVIRONMENTAL CONDITIONS Vibration loads: frequencies, Hz 1-200 acceleration, m/s² 49 Multiple impacts with acceleration, m/s² 392 Relative humidity at up to 35 °C, % 98 BASIC DATA Electrical Parameters Heater voltage, V: with series connection 12.6 with parallel connection 6.3 Heater current, A: with series connection 0.75-0.95 with parallel connection 1.5-1.9 Mutual conductance (at anode voltage 350 V, grid 2 voltage 250 V, grid 1 changing voltage of first tetrode and grid 1 voltage 100 V of second tetrode, anode current 40 mA), mA/V, at least 4 Anode current (at anode voltage 350 V, grid 2 voltage 250 V, grid 1 voltage 17 V of first tetrode, grid 1 voltage 100 V of second tetrode), mA 18-75 Output power at 500 MHz (at anode voltage 350 V, grid 2 voltage 250 V, voltage 55 V of grids 1, grid 2 currents not above 26 mA, anode current 240 mA), W, at least 40 Interelectrode capacitance, pF: input 7.5-12.5 output 2.8-4.2 transfer, at most 0.8 Limit Operating Values Heater voltage (AC or DC), V: with series connection 11.4-13.8 with parallel connection 5.7-6.9 Anode voltage (DC), V 750 Grid 2 voltage (DC), V 250 Cathode-heater voltage (DC), V 100 Cathode current (DC component), mA 280 Dissipation, W: anode 40 grid 2 - 60 grids 1 - 1.0 Operating frequency, MHz 500 Bulb temperature, °C 250 Lot for 1 pc Payment1. We accept PayPal only.2. All major credit cards are accepted through secure payment processor PayPal.3. Payment must be received within 7 business days of auction closing.4. If you have bought multiple items from me, you can send me one payment for all the items instead of paying for them individually. When you click the Pay Now button, eBay will automatically determine if there are other items you have won or purchased from me and will combine them for your review. NOTE:Import duties, taxes and chargers are not included in the item price or shipping charges. These charges are the buyer's responsibility.Please check with your country's customs office to determine what these additional costs will be prior to bidding buying. Shipping1. We ship Worldwide.2. Items will be usually shipped within 2 business days on payment received.3. We use UkrPoshta (Ukranian Post) for all our International deliveries. Once your package passes through customs it will be delivered by your local post office.4. The usual time for a parcel to arrive at its address is 24 business days, but usually it arrives much earlier. Sometimes it can take longer up to 8 weeks. Delivery time lasts approx.1) United States & Canada up to 20 business days.2) Europe: up to 21-24 (except Germany and Italy, delivery time can take up to 1 month)3) Other countries: not more than 30 business days.Asia & Australia: the delivery can take up to 2 months, but usually it arrives much earlier. We appreciate your patience if you haven't received items in 30 days may need more patience by reason of the local delivery system and/or customs. If you are concerned in any way, please feel free to contact us via ebay message instead of leaving negative/neutral feedback or opening a dispute. We will make every effort to fix any problem. ReturnsWe guarantee you complete satisfaction with all our high quality products.If you receive an item you did not order, or if an item you ordered is received damaged or defective, we will refund you the price you paid for it or replace it with identical one.The item should come to the above address within 30 days after you received it. After 30 days we will no longer be responsible and the item won't be taken back.Item for returning must have the original tags and packing, otherwise it won't be accepted.

Price: 19.97 USD

Location: Payment in USA

End Time: 2025-01-22T21:06:03.000Z

Shipping Cost: 22.97 USD