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6J4 Vacuum Tube New and Used

$4.00
6J4 Vacuum Tube New and Used
6J4 Vacuum Tube New and Used

Home / Shop

6J4 Vacuum Tube New and Used

$4.00
Model Number: 6J4NEW
6J4 high-mu UHF triode tube with 6.3V heater and 7-pin miniature base.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 6J4 is a 7-pin miniature high-mu triode vacuum tube engineered primarily for grounded-grid ultra-high-frequency (UHF) amplifier and mixer service up to 500 MHz. Featuring exceptionally high transconductance and multiple grid connections to minimize lead inductance, it delivers low-noise performance and stable amplification in high-frequency RF front-end applications. It operates on a 6.3V heater and fits standard 7-pin miniature sockets. Available NOS and tested used.

  • Type: High-Mu Triode (UHF RF Grounded-Grid Amplifier)

  • Base: 7-Pin Miniature (EIA 7BQ / B7G)

  • Heater Voltage: 6.3V

  • Heater Current: 0.4A

  • Max Plate Voltage: 150V

  • Max Plate Dissipation: 2.25W

  • Amplification Factor (Mu): 55

  • Transconductance: 12,000 micromhos (12.0 mA/V)

  • Equivalents & Relatives: 6J4, CV1763, 6S2P (6С2П Russian relative)