Designed to be used in class C RF amplifier, oscillator, or frequency multiplier up to 175MC. New old stock * No longer available for export. MFR: Philips ECG SKU: 7558-ECG
Designed to be used as a radio-frequency amplifier or as a combined oscillator and mixer in VHF television receivers. It my also be used as an audio-frequency amplifier.
New old stock * No longer available for export. MFR: Raytheon SKU: CK5965
This Machlett 2C39A is a glass-metal high-mu planar triode with a plate dissipation rating of 100 watts, designed as a power amplifier, oscillator, or frequency multiplier at frequencies to above 2500 megacycles.
New Old Stock * Not available for export MFR: Machlett SKU: 2C39A-MACH
The RCA 2C39A is a ceramic-metal high-mu planar triode with a plate dissipation rating of 100 watts, designed as a power amplifier, oscillator, or frequency multiplier at frequencies to above 2500 megacycles.
New Old Stock * Not available for export MFR: RCA SKU: 2C39A-RCA