1-800-RFPARTS (1-800-737-2787) 1-760-744-0700 (USA) ORDERS: rfp@rfparts.com 435 S PACIFIC ST SAN MARCOS, CA 92078

3-500ZG Transmitter Tube, (1 Year Warranty)

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3-500ZG  RF Parts Brand Premium Grade Transmitting Tube (socket Not Included)

The "RFP" (and Taylor Tubes) brand are the best quality graphite anode tube in the Eimac format. Virtually an exact copy of the Eimac 3-500Z in both mechanical and electrical characteristics. RF Parts 3-500ZG easily represents the best value for the price.

Includes a Limited One Year Warranty from RF Parts Company 

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The most rugged version of the 3-500Z tube available. All Tubes are Lab Tested by RF Parts Company. 

The "RFP & Taylor Tubes" are the best quality graphite anode tube in the Eimac format. Virtually an exact copy of the Eimac 3-500ZG in both mechanical and electrical characteristics. "RFP & Taylor Tubes" 3-500ZG easily represent the best value for the price, warranty included.

All Tubes receive 100% RF Parts Testing.

Limited 1 Year Transmitter Tube Warranty from RF Parts Company.

Type NumberFilamentµMaximum RatingsTypical OperationMax. Freq.
for Full Ratings
VoltsAmpsPlate Diss.
Pg. WEb, kVIb, AEb, kVIb, IAPo, kWGain dB
5.0 14.6 130 0.5 20 4.0 0.4 3.0 0.4 0.74 14.0 110


  • The "RF Parts - RFP" and "Taylor Tubes" 3-500ZG tubes are new production, Heavy Duty Graphite Anode versions of the 3-500Z. They are manufactured in CHINA.
  • They are directly interchangeable with the original 3-500Z.   "PLUG AND PLAY".
  • 100% Tested and "BURNED IN" at the RF Parts Company Facility in SAN MARCOS, CALIFORNIA. 
  • The "RF Parts - RFP" and "Taylor Tubes reliability is excellent, failure rate has been less than 1% during the Limited 1 Year Warranty period. 
  • All Warranties are handled directly by RF Parts Company. For additional warranty details, please go to our customer service section on our website.  For additional information you may email: customerservice@rfparts.com or call our customer service department at 760-744-0700 x 316
  • Shipping methods include FEDEX and USPS.  Soon, we shall have the UPS option added to check-out. Please call 800-RFPARTS if you prefer UPS. They are packed with foam in a factory box and are shipped in an additional box and insured to guarantee save arrival. 

NOTE: Picture for reference only.  Socket not included.

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