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Terminations Water Cooled

Waveguide Terminations - Water Cooled

Water Cooled High Power Waveguide Terminations

ATM manufactures a line of High Power Water Cooled Terminations for Rectangular Waveguide that do not require Forced Air Cooling.  The 770 series water cooled waveguide terminations contain high power ceramic elements to dissipate heat very efficiently.

Please call us and discuss your needs with one of our design engineers.

Water Cooled Load - High Power Waveguide Termination - 770 Series
Water Cooled Waveguide Termination - High Power
  • Units are pressure sealed up to 30 psi.
  • Finish: Chem-Film-Iridite
  • Low out-gassing characteristics.
  • VSWR: 1.15 max.
  • Series 770 Terminations are manufactured from 6061 Aluminum.
  • ATM Series 770 Terminations utilizes High Power Ceramic Elements fired at 1300° C for low VSWR and stable electrical characteristics.
  • Cooling Fluid Flow Rates: 4 gal/min for sizes WR650 thru WR159, 2gal/min for sizes WR137 thru 112, and 1gal/min for sizes WR90 thru WR22 to achieved rated performance.
  • Cooling Fluid Flow Temperature:  Cooling fluid entering Load should be 15° to 21° C to achieve rated performance.
  • Maximum Water Jacket Pressure is 100 psi
WG Size Freq. (GHz) Avg. Power
(Watts)		 Standard
Model No.*		 Outline
Dwg.
WR284 2.60 - 3.95 7000 284-770-6 Dwg
WR229 3.30 - 4.90 1200 229-770-1200-2 Dwg
WR229 3.30 - 4.90 1200 229-770-2  
WR187 3.95 - 5.85 4200 187-770-6  
WR159 4.90 - 7.05 4200 159-770-2  
WR137 5.85 - 8.20 4200 137-770-2 Dwg
WR112 7.05 - 10.0 2700 112-770-6  
WR90 8.20 - 12.4 2100 90-770-6 Dwg
WR75 10.0 - 15.0 2000 75-770-6 Dwg
WR62 12.4 - 18.0 2000 62-770-6  
WR51 15.0 - 22.0 1700 51-770-6 Dwg
WR42 18.0 - 26.5 1500 42-770-6  
WR34 22.0 - 33.0 800 34-770-6 Dwg
WR28 26.5 - 40.0 500 28-770-6  
WR28 26.5 - 40.0 700 28-770-6 Dwg
WR22 33.0 - 50.0 700 22-770-6  

Ordering Information
Waveguide Termination
Water Cooled - Series 770

 WR -Mod -F
Example part number:  75 -770 -6
Waveguide Size: (WR)
WR22 thru WR284 available		    
Basic Model No.: (-Mod)  
Flange (-F): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
See ATM Standard Flange page for more info.

* The Standard Model Numbers above are the most common parts ordered for waveguide size, material and flange. However, these models can easily be altered for your needs by using the Model # code system at left..