NOS 6S51N-V Nuvistor Triode tubes.

Four tubes in one lot.

Military equipment.

High durability.

We ship via International Airmail.

Tracking number is provided.

6S51N-V nuvistor triode in miniature metal-ceramic version is designed for voltage amplification and oscillation generation in the frequency range from infra-low to ultra-high. It is made in a metal case with flexible leads. The cathode is oxide cathode of indirect filament.

Miniature metal-ceramic lamps - nuvistors are characterized by increased reliability, vibration and temperature resistance, long service life. They are designed for operation at frequencies of 400-800MHz, as well as in microphone amplifiers.

Parameters 6S51N-V: 

6.3V filament voltage

Anode voltage 80V

Resistance in the cathode circuit 130 ohms

Pump current 130±20mA

Anode current  10±2.5mA

Anode current at -7V grid bias <50µA

Slope of characteristic  11±2.5mA/V

Gain 30(+15/-10)

Grid reverse current<0.1µA

Equivalent noise impedance <0.4Kohm

Input impedance at 60MHz >7Kohm

Vibration noise voltage <40mV

Cathode-to-sink leakage current

<20µA

Input capacitance 4.35±0.95pF

Output capacitance 2.2±0.6pF

Pass capacitance 1.9±0.7pF

Cathode-heater capacitance 1,4±0,4pF

Operating time 5000h

Weight 3g

Limit parameters of 6S51N-V lamp:

Filament voltage  5,7..7,0В

Anode voltage  120В

Anode voltage at locked lamp  330В

Grid voltage  -55В

Grid current  2mA

Maximum anode power  1.2W

Maximum grid power 0.2W

Maximum cathode-heater voltage  ±100В

Resistance in the grid circuit   1Mohm

Cathode current  15mA

Case temperature  +250°С

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. 

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Some minor delays in the delivery may happen.