-12%
7J12S pentode Russian tube is equivalent of Western Electric 310A WE310A
10J12S pentode Russian tube is equivalent of Western Electric 310A WE310A
10J12S pentode Russian tube is equivalent of Western Electric 310A WE310A
7J12S pentode Russian tube is equivalent of Western Electric 310A WE310A
10J12S pentode Russian tube is equivalent of Western Electric 310A WE310A
10J12S pentode Russian tube is equivalent of Western Electric 310A WE310A
Russian 5C4M tube rectifiers 5V. Equivalent: 5Z4, 5Z4G, GZ30, 5CG4, 6087 NOS
5C4M 12,00 $
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6S17K-V UHF triode tube Russian
6S17K-V (original box) 4,90 $
SVETLANA

7J12S

Original price was: 90,00 $.Current price is: 79,00 $.

Russian 7J12S tube pentode is equivalent of Western Electric 310A (WE310A) was designed for high-frequency voltage amplification. Excellent sound!

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14 in stock

Description

Description

The 7J12S pentodes are enclosed in glass bulb and are provided with an octal base and an indirectly heated oxide-coated cathode. 7J12S was designed for high-frequency voltage amplification in long-distance wire service systems, you can used in some Hi-Fi applications. Perfectly sounding.

  • Stamp of technical control department of the manufacturer ” ОТК “

Near equivalent: WE310A.  Premium quality vacuum tube!

Technical specifications:

  • Filament voltage: 7.35 ± 0.5V
  • Filament current: 425mA
  • Anode voltage nominal (constant): 250V
  • Anode voltage limit (constant): 250V
  • Anode current: 5.5 ± 1.5mA
  • Grid voltage of the first nominal (constant): -3V
  • Reverse grid current of the first: 0.5μA
  • Grid voltage second nominal (constant): 135V
  • Grid voltage second limit (constant): 180V
  • Grid current second: 1.05 ± 0.55mA
  • Grid voltage of the third nominal (constant): 0V
  • Limit voltage between cathode and heater: 150V
  • Leakage current between cathode and heater: 20μA
  • Anode insulation resistance: 20MOhm
  • Grid insulation resistance of the first: 20MOhm
  • Slope: 1.85 ± 0.25mA/V
  • Slope at 380 mA filament current: 1.45mA/V
  • Maximum power dissipated at the anode: 1.9W
  • The highest power dissipated on the second grid: 0.4W
  • Output power (approx. 1): 0.4W
  • Nonlinear distortion coefficient: no more than 14%
  • Internal resistance 500kOhm
  • Input capacitance: 5.8 ± 1.2pF
  • Output capacitance: 12.5 ± 3.5pF
  • Capacitance through: 0.03pF
  • Characteristic steepness: not less than 1.3mA/V
  • Reverse current of the grid of the first: no more than 1.5μA

The minimum operating time is not less than 6000 hours.

Additional information

Additional information

Weight 0,084 kg
Dimensions 12,5 × 4,0 × 4,0 cm
Brand

SVETLANA
Packaging

Product from factory group packaging
Socket type

6 – Pin PLK 10J12S
Condition

New product
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About brand
"SVETLANA" Saint Petersburg city MADE IN RUSSIA
SKU: 07042021 Categories: ,

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