RF equipment spare parts

Retronix Semiconductor manufactures RF power and delivery components to replace obsolete technology.

We have provided new replacements for YU191 and ARX-X490 components since 2009. Our triode extends the life of your equipment and is a direct replacement for the YU191 with a significant improvement in output and reliability. All components are made in the USA and are fully tested and burned-in prior to shipment to eliminate thumping when installed.

PRR-500 Solid State Driver

An upgraded alternative to older SSDs, this solid state driver is designed for use in ETO HDP systems with increased reliability and performance.

  • Direct drop-in replacement for the obsolete ETO ARX-X490
  • No rack modification needed
  • Improved water cooling and cooling hardware
Retronix Semiconductor RTX-7K PA Tube
Retronix Semiconductor core values honesty reliability dependability flexibility

Retronix RTX-7000 PA Tube

One of our RF product offerings, the RF power amplifier tube is a high-mu water-cooled & air-cooled ceramic/metal power triode and is a direct replacement and improvement for the YU191.

  • True 7000 W tube
  • Give over 3x increase in PA Tube lifetime
  • Thoriated tungsten filament
  • Excellent for use in amplifier, oscillator, or modulator services
Featured parts

Check out our featured parts below. Call us for the best deal on RF equipment surplus parts.

Retronix Semiconductor Logo

With over 25 years of experience in high-tech industry, we are experts in matching your talents to suitable vacancies and providing exemplary services to our clients.


Dublin Rd, Donaghcumper, Celbridge W23 TR58


1100 S. Dobson Rd, Chandler, AZ 85286


North Caldeen Rd, Coatbridge, ML5 4EF


1007 S Heatherwilde Blvd Bldg A, Pflugerville, TX 78660


3 Izmargad St., Kiryat-Gat, 82000


5852 Terminal Ave, Colorado Springs, CO, 80915


5035 NE Elam Young Parkway, Suite 100, Hillsboro, Oregon, 97124