Drop-In Circulators

Drop-In Standard Circulators

Drop-In Standard Circulators are essential components in aerospace applications, serving to manage and control the flow of electromagnetic signals within communication and radar systems. These circulators enable efficient one-way signal transmission, reduce signal loss, and protect sensitive equipment from signal reflections, ensuring reliable and interference-free performance in aerospace environments.

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Product Specs

Drop-In Standard Circulators

All catalog part numbers are for devices with clockwise rotation, however, counter-clockwise rotation is available by request.  Consult the factory for special performance and unique mechanical configurations.  We have many other designs no listed in the catalog, and develop new designs on a frequent basis.

Encapsulation is available on some designs for high peak power & high altitude capability.

Low IMD Designs:  See Note 13

Outline Drawing are available by clicking the drawing type number in the table below.

Note 2:  Four Mounting Holes are 0.116 in. Diameter
Note 4:  Four Mounting Holes are 0.102 in. Diameter
Note 5:  Four Mounting Holes are 0.094 in. Diameter
Note 6:  Tab Height is 0.075 in.
Note 8:  Tab Height is 0.150 in.
Note 9:  Tab Height is 0.120 in.
Note 12:  Encapsulated for High Peak Power
Note 13:  -70 dBc IMD with 2 Tones at 20W

*  Case Temperature Not To Exceed Operating Temperature

Frequency Range (GHz) Insertion Loss (Max) (-dB) VSWR (Max) Power Rating (Watts) Operating Temperature oC Footprint (in x in) Part Number Outline Drawing Notes
0.400-0.450 0.45 1.25 200 -40 to +85 1.50 x 1.50 990-400450-901 D39
0.740-0.770 0.30 1.20 150 -40 to +85 1.00 x 1.00 990-740770-501 D08 13
0.764-0.870 0.45 1.28 150 0 to +60 1.00 x 1.00 990-764870-501 D08 13
0.790-0.830 0.30 1.20 150 -10 to +85 1.00 X 1.00 990-790830-501 D08 13
0.800-0.825 0.20 1.15 200 -20 to +70 1.00 X 1.00 990-800825-501 D08
0.800-0.960 0.40 1.28 150 0 to +85 1.00 X 1.00 990-800960-501 D08
0.800-1.000 0.50 1.35 150 -20 to +85 1.00 X 1.00 990-800100-501 D08
0.824-0.960 0.35 1.22 150 -20 to +85 1.00 X 1.00 990-824960-501 D08
0.850-0.960 0.40 1.12 150 -15 to +65 1.00 X 1.00 990-850960-501 D08
0.960-1.230 0.60 1.42 100 -55 to +85 1.00 X 1.00 990-960123-501 D08
1.010-1.100 0.30 1.22 150 -40 to +85 1.00 X 1.00 990-101110-501 D08
1.030-1.090 0.40 1.22 100 -40 to +85 1.00 X 1.00 990-103109-503 D08 12
1.200-1.400 0.25 1.20 150 -40 to +85 1.00 X 1.00 990-120140-501 D08
1.600-1.800 0.40 1.22 75 -40 to +85 0.75 X 0.75 990-160180-301 D03 4
1.700-2.000 0.40 1.22 30 -40 to +100 0.75 X 0.75 990-170200-301 D03
1.710-1.990 0.35 1.22 75 -40 to +85 0.75 X 0.75 990-171199-301 D09
1.760-2.170 0.40 1.25 50 -10 to +85 0.75 X 0.75 990-176217-301 D03
1.800-2.000 0.40 1.25 30 -40 to +100 0.75 X 0.75 094-039034-001 D03
1.800-2.170 0.40 1.25 50 -10 to +85 0.75 X 0.75 990-180217-301 D03
1.880-1.920 0.20 1.20 70 -40 to +100 0.75 X 0.75 094-039040-002 D03
1.900-2.100 0.40 1.25 30 -40 to +100 0.75 X 0.75 094-039039-001 D03
1.920-2.170 0.35 1.22 75 -20 to +85 0.75 X 0.75 990-192217-301 D09
1.930-1.990 0.25 1.25 50 -40 to +100 0.75 X 0.75 094-039040-001 D03
1.930-1.990 0.25 1.20 150 -20 to +70 0.75 X 0.75 890-193199-301 D01
1.930-1.990 0.30 1.18 150 -10 to +85 1.00 X 1.00 994-039064-005 D04 2, 8
2.000-2.150 0.30 1.20 70 -30 to +85 0.75 X 0.75 994-039029-015 D03
2.000-2.300 0.30 1.25 75 -20 to +85 0.75 X 0.75 990-200230-301 D09
2.090-2.190 0.25 1.20 150 -30 to +85 1.00 X 1.00 994-039067-003 D04
2.100-2.200 0.25 1.20 150 -30 to +85 1.00 X 1.00 994-039067-002 D04
2.100-2.200 0.30 1.22 75 -20 to +85 0.75 X 0.75 990-210220-301 D09
2.100-2.300 0.40 1.25 30 -40 to +100 0.75 X 0.75 094-039033-013 D03
2.110-2.170 0.23 1.20 50 -40 to +100 0.75 X 0.75 994-039038-051 D03
Frequency Range (GHz) Insertion Loss (Max) (-dB) VSWR (Max) Power Rating (Watts) Operating Temperature oC Footprint (in x in) Part Number Outline Drawing Notes
2.200-2.300 0.30 1.25 75 -30 to +70 0.75 X 0.75 994-039029-011 D03 4
2.200-2.500 0.40 1.25 70 -20 to +85 0.75 X 0.75 990-220250-301 D09
2.250-2.280 0.30 1.25 70 -30 to +70 0.75 X 0.75 994-039029-013 D03 4
2.400-2.500 0.25 1.22 75 -10 to +85 0.75 X 0.75 990-240250-301 D09
2.400-2.700 0.30 1.25 70 -10 to +75 0.75 X 0.75 094-039037-003 D03 5
3.300-3.800 0.40 1.25 50 -20 to +85 0.75 X 0.75 990-330380-301 D09
3.400-3.600 0.35 1.25 100 -40 to +85 0.75 x 0.75 994-039063-015 D03 5, 13
3.700-3.900 0.35 1.25 50 -40 to +85 0.75 X 0.75 990-370390-301 D09
4.400-5.100 0.40 1.28 20 -20 to +70 0.50x0.50 990-440510-203 D06 9
4.500-4.800 0.40 1.22 50 -30 to +70 0.75 X 0.75 994-039063-006 D03 5, 6
4.625-4.725 0.30 1.22 50 0 to +85 0.50x0.50 990-462472-201 D06
5.150-5.825 0.40 1.14 50 -40 to +85 0.375x0.500 994-039052-009 D05
5.200-5.900 0.35 1.20 50 -40 to +85 0.50x0.50 990-520590-203 D06 9
5.700-5.900 0.40 1.14 50 -40 to +85 0.375x0.500 990-570590-101 D05
5.725-5.850 0.30 1.22 50 0 to +85 0.50x0.50 990-572582-201 D06
5.800-6.700 0.40 1.25 25 -40 to +100 0.50x0.50 094-039042-004 D06
5.800-7.100 0.40 1.25 50 -40 to +85 0.350x0.475 990-580710-901 D07
6.700-7.500 0.40 1.22 30 -40 to +85 0.50x0.50 990-670750-201 D06
7.100-7.900 0.50 1.25 25 -40 to +85 0.50x0.50 990-710790-201 D06
13.500-14.500 0.40 1.18 10 -40 to +85 0.350x0.475 990-135145-901 D07

For a complete table of high level technical specifications offered with this product, please view this page on a larger device, preferably a laptop or desktop computer.

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