Attenuators, Waveguide

	GENERAL SPECIFICATIONS ( All Options ) Electrical Std. Attenuation values: 10, 20, 30, 40, 50dB Nominal Attenuation accuracy: +/- 0.50dB (+/- 0.75dB for WR42, WR34, WR28) Freq. Sensitivity: +/- 0.60 dB (+/- 0.75dB for WR42, WR34, WR28) Applicable Mil-Specs General: Product Specific: Mechanical Size: See Tables Body: Aluminum Finish: Hi-Temp Black

Waveguide Fixed High Power Precision Attenuators
WG Size	Freq. (GHz)	VSWR	Power Watt	Standard Model No.*	Dimensions		Outline
					Length (L) Inches	Offset (O) Inches
WR430	1.70 - 2.60	1.15	1200	430-630HPA-dB-2-2	54.0	2.230
WR340	2.20 - 3.30	1.15	1200	340-630HPA-dB-2-2	42.0	1.780
WR284	2.60 - 3.95	1.15	1200	284-630HPA-dB-6-6	33.0	1.420
WR229	3.30 - 4.90	1.15	1000	229-630HPA-dB-2-2	27.0	1.209	Dwg
WR187	3.95 - 5.85	1.15	750	187-630HPA-dB-6-6	24.0	0.936
WR159	4.9 - 7.05	1.15	625	159-630HPA-dB-2-2	24.0	0.859
WR137	5.95 - 8.20	1.15	500	137-630HPA-dB-2-2	22.5	0.686
WR112	7.05 - 10.0	1.15	425	112-630HPA-dB-6-6	16.0	0.561
WR90	8.20 - 12.4	1.15	225	90-630HPA-dB-6-6	14.5	0.450
WR75	10.0 - 15.0	1.15	200	75-630HPA-dB-6-6	13.5	0.425
WR62	12.4 - 18.0	1.15	100	62-630HPA-dB-6-6	11.5	0.351
WR51	15.0 - 22.0	1.15	100	51-630HPA-dB-6-6	11.5	0.295
WR42	18.0 - 26.5	1.15	100	42-630HPA-dB-6-6	9.5	0.210	Dwg
WR34	22.0 - 33.0	1.15	75	34-630HPA-dB-6-6	9.5	0.210	Dwg
WR28	26.5 - 40.0	1.15	75	28-630HPA-dB-6-6	9.0	0.180	Dwg
*Insert desired attenuation value (10, 20, 30, 40, or  50dB) in the model number where dB is listed See ATM Flange page for more information on flanges.

The Model numbers listed above are the most common model numbers for size, material, flanges, and calibration, however, these models can easily be altered to accommodate customer needs by following the Model # code system below. In addition the customer must choose the attenuation value appropriate for application (10dB, 20dB, 30dB, 40dB, or 50dB) and insert it in the model number where dB is listed.

Ordering Information

Typical Part #:         WGSize- 630HP Material- dB value-  Flange1- Flange2                Example: P/N: 284-630HPA-20-6-6  is: WR284 high power fixed attenuator - Alum. Material - 20dB Attenuator - Cover Flg.- Cover Flg.

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