2pcs 6N18B-V (6Н18Б-В) USSR Double Mini Triode Tubes, NOS, Blue OTK Soviet Valve

Description

2pcs 6N18B-V (6Н18Б-В) USSR Double Mini Triode Tubes, NOS, Blue OTK Soviet Valve
2 pcs (tubes) in one lot
NOS (New Old Stock) -
You buy what you see at the photo
DESCRIPTION:
6N18B-V -
Double subminiature triode with increased reliability and mechanical strength.
Designed to work in storage circuits of electronic computing devices.
Indirectly heated oxide cathode.
Works in any position.
Produced in miniature glass design.
Durability not less than 2500 hours.
Weight no more than 4 g.
Technical characteristics and electrical parameters:
Rated electrical data:
• Heater voltage, V 6,3 ± 0,6
• Heating current, mA 330 ± 30
• Voltage at the anode, V 100
• Current in the anode circuit, mA 6,3 ± 1,9
• Slope of characteristic, mA / V 4.9 ± 0.7
• Resistance in the cathode circuit, Ohm 325
• Input resistance, kOhm 32
• Reverse grid current, μA 0.2
• Gain 23 ± 5
Maximum permissible electrical values:
• The highest voltage at the anode, V 200
• The highest voltage at the anode with a locked lamp, V 350
• Voltage in the grid circuit is negative, V -50
• The highest power dissipated at the anode, W 0.9
• The highest voltage cathode-heater, V 150
• Decoration glass miniature
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