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3FH5 Vacuum Tube New and Used

$5.00
3FH5 Vacuum Tube New and Used
3FH5 Vacuum Tube New and Used

Home / Shop

3FH5 Vacuum Tube New and Used

$5.00
Model Number: 3FH5NEW
3FH5 frame-grid triode vacuum tube for radio receivers, featuring a 3.15V 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 3FH5 is a 7-pin miniature frame-grid triode for high-frequency RF amplifier stages in radio tuners. Featuring a 3.15V heater for 600mA series-filament circuits, its frame-grid construction delivers high mutual conductance (9,000 microsiemens) and low noise for weak-signal reception in receiver front-ends. Available in new old stock (NOS) and tested used conditions.

  • Type: Frame-Grid Triode (RF Amplifier)

  • Base: 7-Pin Miniature (EIA 7FP layout)

  • Heater: 3.15V / 0.6A (Controlled warm-up)

  • Max Plate Voltage: 150V

  • Max Plate Dissipation: 2.2W

  • Amplification Factor (Mu): 50

  • Mutual Conductance: 9,000 microsiemens (9 mA/V)

  • Equivalents: 3FH5, 2FH5 (2.4V equivalent), 6FH5 (6.3V equivalent)