Electron Tubes & Vacuum Devices

Richardson Electronics is the premier supplier of electron vacuum devices in the world. With over 60 years of success in the vacuum tube business, we provide the highest standard of quality and service. Our commitment to providing the best products to meet our customers' needs is second to none.

We stock critical components for niche markets and provide expert assistance in selecting replacement products and alternatives, using our extensive cross reference library. With ISO9002 registered processes and products tested in OEM equipment, you won't find another supplier of vacuum tubes who can offer a more diverse selection at competitive pricing.

Accessories

Description | In addition to your tube, Richardson Electronics also offers a wide range of accessories including sockets, anode, cathode, filament, and grid connectors, as well as water jackets and related components....

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Inductive Output Tubes (IOTs)

Description | The IOT became the tube of choice for TV broadcasters in the 1990s due to its compact size and improved efficiencies over the klystron. The standard IOT can easily be operated either in combined or common mode. Richardson Electronics supplies a complete range of Analog and Digital IOTs to meet your ...

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Ignitron

Description | Ignitrons are ignitor-fired mercury pool rectifiers with very high peak and average current handling capability. Low frequency ignitrons were the backbone of the welder control and electroplating industries for years. These low-cost devices are still in use today in large motor speed controls and ma...

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Klystron

Description | Broadcast klystrons range in frequency from 470 MHz to 860 MHz and in power levels from 15 kW to more than 60 kW. They feature external cavities and employ energy-saving means from ACE (BCD) to multi-stage depressed collector (MSDC). Richardson Electronics offers new and rebuilt klystrons for a numb...

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Magnetron - CW

Description | Richardson Electronics supplies a wide range of CW magnetrons. CW Magnetrons are a low-cost, efficient cross-field microwave oscillator used for the generation of continuous-wave (CW) signals. S-band (2450MHz), L-band (915/896MHz), and the new 5.89GHz CW magnetrons are typically used in industrial d...

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Magnetron - Pulse

Description | Richardson Electronics supplies a wide range of pulsed magnetrons. Pulse magnetrons cover power levels from 1 kW to 3 MW at frequencies from 1 GHz to 35 GHz. Proprietary cathode design offers lifetime in excess of 10,000 hours. Primary applications for pulse magnetrons are radar and medical linear a...

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Pentode

Description | Richardson Electronics offers pentode tubes with plate dissipations and useful output power up to several kilowatts. Although less popular than triodes and tetrodes, because of their complexity both in manufacturing and circuit design, pentodes maintain a position of importance as amplifiers and reg...

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Planar Triode

Description | Richardson Electronics offers planar triodes for a variety of applications including usage in repeaters, high voltage switching and transponders. Using high quality ceramic/metal construction, these planar triodes can operate in very ruggedized conditions for several thousand hours. For those seekin...

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Rectifier & Diode Tube

Description | Richardson Electronics is a leading manufacturer and distributor of rectifiers for industrial RF heating, motor controls, and welding applications. Our extensive inventory can meet the requirements of most every application....

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Tetrode

Description | For high linearity, high gain and greater isolation, the tetrode is the tube of choice. Many manufacturers offer tetrode design transmitters to meet increasing power needs. In fact, tetrodes are the primary means for achieving power levels above 1 MW. Shortwave transmitters, including those broadcas...

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Gas Thyratron

Description | Richardson Electronics is a leading manufacturer and distributor of gas-filled thyratrons for industrial RF heating, motor controls, and welding applications. Our extensive inventory can meet the requirements of most every application....

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Thyratrons - High Energy

Description | Richardson Electronics stocks a wide range of thyratrons for industrial, medical & radar markets. We carry a selection of thyratrons manufactured by Excelitas and National Electronics for a variety of applications which require fast, reliable high energy transfer switching....

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Triode

Description | Triodes can be used in both broadcast and industrial applications and are desired for their simple, yet highly stable design. Triodes have lower power gain than tetrodes, but can achieve output power up to 1.25 MW.   Richardson Electronics supplies the leading brands of triodes from Amperex, Ei...

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TWT

Description | Richardson Electronics offers an extensive supply of traveling wave tubes (TWT) and traveling wave tube amplifiers (TWTA) to support electronic warfare (EW), radar and satellite communication transmitters. We stock TWTAs from more than 50 specialized high-voltage power supply options. Power levels c...

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Camera Tube

Description | For industrial, broadcast, and CCTV applications, Richardson Electronics carries the largest inventory of common camera tube replacements in the world. From Vidicons, Newvicons, Saticons, and Ultracons to Plumbicons, Vidicons, Saticons, and Newvicons, you name them, we have them. If we don't have th...

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Cold Cathode Electron Tube

Description | Cold cathode tubes are filament-less, gas-filled devices, used in both voltage regulation and switching applications. Rely on Richardson Electronics for these hard-to-find products and the support you need to make the right selection....

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Delay Relay & Flasher

Description | Amperite has been solving circuit timing requirements since 1922. Richardson Electronics offers Amperite's full line of high-quality time delay relays and flashers. If we don't carry the part you need, Amperite has the flexibility to custom design a delay relay or flasher to meet your specific need...

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Diacrode

Description | The principal characteristics of the Thales Diacrode® are the enhanced power associated with high gain and efficiency. It also features ease of adjustment and increased stability thanks to the associated RF circuit (TH 18610 and TH 18680 cavities) and simplified cooling requirements. Due to the r...

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Geiger-Mueller Electron Tube

Description | Geiger-Mueller counters are small, robust nuclear radiation detectors used to determine the presence of alpha, beta or gamma radiation. They are capable of detecting, measuring, and with simple circuitry, providing sufficient output to drive displays and indicators. In addition to producing quantita...

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Ionization Gauge Tube

Description | Richardson Electronics offers a broad range of Bayard-Alpert type ionization gauge tubes to meet your needs. The conventional glass types are available with either Nonex™, Pyrex™, or Kovar™ flanged tubulations - available in 1/2" and 1" diameters. Nude Ionization Gauges The Cetron...

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Receiving Tube

Description | Richardson Electronics is dedicated to providing the premium quality audio tubes that have stood the test of time. Thousands of tube types from the industry's leading manufacturers are available from stock: Amperex, Amperex Bugle Boy, Cetron, Electro-Harmonix, GE, National, Philips and Sovtek. We of...

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System Test Equipment

Description | Richardson carries a wide selection of test equipment for ADF (Automatic Direction Finder), HF/VHF Com (Radio/Communications Equipment), DME (Distance Measuring Equipment), NAV (Several types of navigational devices), Transponders/ATC and Radar....

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