-40%
2pcs EM-6 + 1pcs EM-4 Melz Brand, Soviet Vintage Double Tetrode Tubes, Nos
2pcs EM-6 + 1pcs EM-4 Melz Brand, Soviet Vintage Double Tetrode Tubes, Nos
2pcs EM-6 + 1pcs EM-4 Melz Brand, Soviet Vintage Double Tetrode Tubes, Nos
2pcs EM-6 + 1pcs EM-4 Melz Brand, Soviet Vintage Double Tetrode Tubes, Nos

2pcs EM-6 + 1pcs EM-4 Melz Brand, Soviet Vintage Double Tetrode Tubes, Nos

$ 4.6

Availability: 100 in stock
  • All returns accepted: ReturnsNotAccepted
  • Modified Item: No
  • Custom Bundle: No
  • MPN: Does Not Apply
  • Country/Region of Manufacture: Russian Federation
  • Brand: Melz
  • Condition: New

    Description

    2pcs EM-6 + 1pcs EM-4 Melz Brand, Soviet Vintage Double Tetrode Tubes, Nos
    2pcs + 1pcs
    New Old Stock
    DESCRIPTION:
    EM-6
    Electrometric double tetrode.
    Designed to measure low currents.
    Durability of at least 500 hours
    Weight is not more than 16 g.
    The position of the pins RSH8.
    Electrometric dual tetrode for input stages of various electrometric devices. Design - in a glass shell, miniature. Weight 16 g.
    The main parameters at Un = 4.5 V, Ua = 5 V, U.s. = -3 V, Uc.k. = 3.6 V
    Parameter Conditions Em-6 Unit rev.
    Analog - - -
    Glow current - 75 ± 8 mA
    The anode current of each tetrode is 75 + 75-40 μA
    Control grid current - ≤5 ∗ 10-15 A
    Cathode grid current - 425 μA
    The steepness of the characteristics of each tetrode is 45 + 25-20 μA / V
    Gain - 1.1 -
    Free Grid Potential - 2 V
    Vibration noise voltage at Ra = 10 kΩ ≤5 mV
    Input Capacitance - 1.8 pF
    Running hours - ≥500 h
    Criteria for evaluation
    The steepness of the characteristics of each tetrode is ≥20 μA / V
    DELIVERY:
    Dear customers, we ship via International Airmail.
    Perfect and safely shipping. Tracking number is always provided.
    We use standard mail service for shipping all tubes/valves.
    We ship from Ukraine.
    Important note - all international mail services are currently working, so purchased items will 100% be shipped to your location!
    We combine lots to save you money on delivery.
    Parcels are divided into categories depending on the weight ( product + package weight).
    Delivery prices:
    0-250 grams - 7.9-10 $
    Package weight (50 grams)
    250-500 grams - 14 - 16 $
    Package weight (100 grams)
    500-1000 grams - 24-28 $
    Package weight (200 grams)
    Every next kilogram + $ 10 and + 200 grams of weight.
    You will be able to choose the most favorable ratio of price, product and cost.
    The price of delivery has increased significantly, but we try to almost not change the cost of delivery.
    If you accidentally overpaid for delivery, we will refund your money.
    If you have any questions, we are always ready to communicate and help you.
    However, some delays in both Standard and Express services may happen.
    ANY QUESTIONS?!
    Direct in eBay messages and we will help you.