Russian R-7 Protective spark-gaps TUBES Lot of 4

Russian R-7 Protective spark-gaps TUBES Lot of 4


More details


10 items in stock

5 quantities

  Russian R-7  Protective spark-gaps  TUBES 

Lot of 4 in individual boxes

  New, old stock.The tubes are never used

Name R-7
Type uncontrolled
Application field overvoltage protection
Envelope glass
Mass 8
Spark voltage,kV 0,27-0,33
Spark frequency,Hz 1,5-2
Insulaton resistance,MOhm 20
Life,pulses 30000


 Payment Details


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Shipping Details

Shipping from Ukraine via Airmail with tracking number

Insurance is included to shipping cost

We offer combined shipping discounts

Shipping time
Europe 10-12 days
Germany, Italy 14-18 days
USA, Canada 12-15 days
Asia, South America 14-20 days
Australia, New Zeland 20-24 days
Africa, Central America 24-34 days



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