The power handling of Finned Air Cooled Waveguide loads is very dependent on heat sink/cold wall characteristics of installation and air flow dynamics.

Shown below are typical examples.

Consult factory for other options of which there are many in mist sizes. Aluminium options also exist on many designs, brass is normal.

FREQUENCY RANGE

WAVEGUIDE SIZE

STANDARD TYPE

TYP LENGTH (mm)

GHz	U.K.	I.E.C.	E.I.A.	PART NO.	PEAK MW	AVE-kW	VSWR
1.14-1.73	WG6	R14	WR650	6-HF-9042	3	4	1.20:1	710
2.17-3.30	WG9A	R26	WR340	9A-HF-9043	3	3.7	1.20:1	570
2.60-3.95	WG10	R32	WR284	10-HF-9044	3	3.5	1.10:1	405
3.30-4.90	WG11	R40	WR229	1A-HF-9045	2	3	1.12:1	379
3.95-5.85	WG12	R48	WR187	12-HF-9046	1.5	2.5	1.15:1	306
4.90-7.05	WG13	R58	WR159	13-HF-9047	1.1	2.1	1.15:1	304
5.85-8.20	WG14	R70	WR137	14-HF-9048	0.8	2	1.15:1	300
7.05-10.0	WG15	R84	WR112	15-HF-9049	0.65	1.9	1.20:1	310
8.20-12.4	WG16	R100	WR90	16-HF-9050	0.35	1.5	1.15:1	358
10.0-15.0	WG17	R120	WR75	17-HF-9051	-	2	1.10:1	410
12.4-18.0	WG18	R140	WR62	18-HF-9052	-	1	1.10:1	334
18.0-26.5	WG20	R220	WR42	20-HF-9053	-	0.9	1.12:1	207
21.7-33.0	WG21	R260	WR34	21-HF-9054	-	0.8	1.15:1	198
26.5-40.0	WG22	R320	WR28	22-HF-9055	-	0.75	1.20:1	166

Customer to specify:
Flange type	Certain types may dictate changes in overall length
Material	Copper/Brass or Aluminium
Finish	External: Black paint standard
Power handling	The standard range illustrated are broad band designs.
	Most sizes have other power options available - Consult factory for details

* There is an important trade off between performance and cost. Please specify your requirements in detail to obtain an optimum solution. Many high performance models are available and the physical size can also be altered to suit your requirements.

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