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5CL8 Vacuum Tube New and Used

$4.00
5CL8 Vacuum Tube New and Used
5CL8 Vacuum Tube New and Used

Home / Shop

5CL8 Vacuum Tube New and Used

$4.00
Model Number: 5CL8NEW
5CL8 triode-tetrode vacuum tube for radio and TV VHF oscillator-mixer and tuner stages, featuring a 4.7V heater and 9-pin miniature base.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 5CL8 (and 5CL8A) is a 9-pin miniature compound tube housing a medium-mu triode and a sharp-cutoff tetrode within a single envelope. Designed for VHF oscillator-mixer and tuner service in television receivers and multi-band radio front-ends, it operates on a 4.7V/600mA controlled warm-up series heater. It was regularly specified in late-1950s series-string chassis produced by RCA Victor, Zenith, Philco, and Admiral. Available in NOS and tested used conditions.

  • Type: Medium-Mu Triode / Sharp-Cutoff Tetrode (VHF Tuner / Oscillator-Mixer)

  • Base: 9-Pin Miniature Noval (EIA 9DC layout)

  • Heater Voltage: 4.7V

  • Heater Current: 0.6A

  • Max Plate Voltage (Triode / Tetrode): 250V / 250V

  • Max Plate Dissipation (Triode / Tetrode): 2.0W / 2.5W

  • Transconductance (Triode): 8,500 microsiemens (8.5 mA/V)

  • Transconductance (Tetrode): 7,000 microsiemens (7.0 mA/V)

  • Equivalents: 5CL8, 5CL8A, 6CL8 / 6CL8A (6.3V equivalent