Transmitting Tubes

PL-8166 Penta Transmitting Tube PL-8166 / 4-1000A

New Old Stock * No longer avialable for export
MFR: Penta Labs
SKU: PL-8166-P

30 day limited warranty from RF Parts Company

Radial Beam Power Tetrode Transmitting Tube
Used good condition * No longer available for export
MFR: Eimac
SKU: 4X150-JAN-7034-P

NOTE: The photo is for reference only.

The YU204 is a pulse tetrode intended for use in pulse modulator, pulsed-amplifier and pulsed-oscillator service. This compact, high vacuum radial-beam tetrode, incorporating a molybdenum anode and non-emitting grids, is recommended for use in new equipments where high voltage, high current, or high duty factor is encountered.

Clean Used * No longer available for export
MFR: Amperex
Made in France
SKU: YU-204-AMP-P

This tube has been recently tested and meets all technical specifications. The Warranty period for this tube is Thirty Days from the date of purchase, for the original customer only.  Please follow the instruction insert for proper installation.

Silver plated tubes may exhibit some silver tarnish (which does not detract from performance). Some tubes may show faint marks from the socket in our testing equipment. 

New Old Stock * No longer available for export
MFR: Motorola
SKU: 65-83382D02

8188/4PR400A Radial-beam Pulse Tetrode Modulator Oscillator Amplifier tube.

New Old Stock 
MFR: Eimac
SKU: 4PR400A

The 4X150D tetrodes are compact power tubes intended for use as amplifiers, oscillators, or frequency multipliers at frequencies up to 500 megacycles. They are designed for operation at a heater potential of 26.5 volts.

New Old Stock * No longer available for export
MFR: Eimac
SKU: 4X150D-EI

Ruggedized construction allows the 4CS250R to be operated in applications where shock and/or vibration is experienced.

The Sealed Bag was ripped and allowed air to reach the tube resulting in minor corrosion around the threaded hole. Corrosion has been removed.

New Old Stock, Not for Export
MFR: Amperex
SKU: 4CS250R

New Old Stock * No longer available for export
MFR: Amperex
SKU: 4CS250H-AMP

• For Broadcast / Industrial
• High Plate Dissapation triode suited for UHF-TV transistor service.
• Also useful as a CW oscillator or amplifier

New Old Stock * No longer available for export
MFR: Eimac
SKU: Y667A

Y-667 Data Sheet