DROP-IN CIRCULATORS
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 See Page15 | Links |
---|---|---|---|---|---|---|---|---|---|
0.400-0.450 | 0.45 | 1.25 | 200 | -40 to +85 | 1.50 x 1.50 | 990-400450-901 | D39 | /wp-content/uploads/2020/12/D39.pdf | |
0.740-0.770 | 0.30 | 1.20 | 150 | -40 to +85 | 1.00 x 1.00 | 990-740770-501 | D08 | 13 | /wp-content/uploads/2020/12/D08.pdf |
0.764-0.870 | 0.45 | 1.28 | 150 | 0 to +60 | 1.00 x 1.00 | 990-764870-501 | D08 | 13 | /wp-content/uploads/2020/12/D08.pdf |
0.790-0.830 | 0.30 | 1.20 | 150 | -10 to +85 | 1.00 X 1.00 | 990-790830-501 | D08 | 13 | /wp-content/uploads/2020/12/D08.pdf |
0.800-0.825 | 0.20 | 1.15 | 200 | -20 to +70 | 1.00 X 1.00 | 990-800825-501 | D08 | /wp-content/uploads/2020/12/D08.pdf | |
0.800-0.960 | 0.40 | 1.28 | 150 | 0 to +85 | 1.00 X 1.00 | 990-800960-501 | D08 | /wp-content/uploads/2020/12/D08.pdf | |
0.800-1.000 | 0.50 | 1.35 | 150 | -20 to +85 | 1.00 X 1.00 | 990-800100-501 | D08 | /wp-content/uploads/2020/12/D08.pdf | |
0.824-0.960 | 0.35 | 1.22 | 150 | -20 to +85 | 1.00 X 1.00 | 990-824960-501 | D08 | /wp-content/uploads/2020/12/D08.pdf | |
0.850-0.960 | 0.40 | 1.12 | 150 | -15 to +65 | 1.00 X 1.00 | 990-850960-501 | D08 | /wp-content/uploads/2020/12/D08.pdf | |
0.960-1.230 | 0.60 | 1.42 | 100 | -55 to +85 | 1.00 X 1.00 | 990-960123-501 | D08 | /wp-content/uploads/2020/12/D08.pdf | |
1.010-1.100 | 0.30 | 1.22 | 150 | -40 to +85 | 1.00 X 1.00 | 990-101110-501 | D08 | /wp-content/uploads/2020/12/D08.pdf | |
1.030-1.090 | 0.40 | 1.22 | 100 | -40 to +85 | 1.00 X 1.00 | 990-103109-503 | D08 | 12 | /wp-content/uploads/2020/12/D08.pdf |
1.200-1.400 | 0.25 | 1.20 | 150 | -40 to +85 | 1.00 X 1.00 | 990-120140-501 | D08 | /wp-content/uploads/2020/12/D08.pdf | |
1.600-1.800 | 0.40 | 1.22 | 75 | -40 to +85 | 0.75 X 0.75 | 990-160180-301 | D03 | 4 | /wp-content/uploads/2020/12/D03.pdf |
1.760-2.170 | 0.40 | 1.25 | 50 | -10 to +85 | 0.75 X 0.75 | 990-176217-301 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
1.700-2.000 | 0.40 | 1.22 | 30 | -40 to +100 | 0.75 X 0.75 | 990-170200-301 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
1.710-1.990 | 0.35 | 1.22 | 75 | -40 to +85 | 0.75 X 0.75 | 990-171199-301 | D09 | /wp-content/uploads/2020/12/D09.pdf | |
1.800-2.000 | 0.40 | 1.25 | 30 | -40 to +100 | 0.75 X 0.75 | 094-039034-001 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
1.800-2.170 | 0.40 | 1.25 | 50 | -10 to +85 | 0.75 X 0.75 | 990-180217-301 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
1.880-1.920 | 0.20 | 1.20 | 70 | -40 to +100 | 0.75 X 0.75 | 094-039040-002 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
1.900-2.100 | 0.40 | 1.25 | 30 | -40 to +100 | 0.75 X 0.75 | 094-039039-001 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
1.920-2.170 | 0.35 | 1.22 | 75 | -20 to +85 | 0.75 X 0.75 | 990-192217-301 | D09 | /wp-content/uploads/2020/12/D09.pdf | |
1.930-1.990 | 0.25 | 1.25 | 50 | -40 to +100 | 0.75 X 0.75 | 094-039040-001 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
1.930-1.990 | 0.25 | 1.20 | 150 | -20 to +70 | 0.75 X 0.75 | 890-193199-301 | D01 | /wp-content/uploads/2020/12/D01.pdf | |
1.930-1.990 | 0.30 | 1.18 | 150 | -10 to +85 | 1.00 X 1.00 | 994-039064-005 | D04 | 2, 8 | /wp-content/uploads/2020/12/D04.pdf |
2.000-2.300 | 0.30 | 1.25 | 75 | -20 to +85 | 0.75 X 0.75 | 990-200230-301 | D09 | /wp-content/uploads/2020/12/D09.pdf | |
2.000-2.150 | 0.30 | 1.20 | 70 | -30 to +85 | 0.75 X 0.75 | 994-039029-015 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
2.090-2.190 | 0.25 | 1.20 | 150 | -30 to +85 | 1.00 X 1.00 | 994-039067-003 | D04 | /wp-content/uploads/2020/12/D04.pdf | |
2.100-2.200 | 0.25 | 1.20 | 150 | -30 to +85 | 1.00 X 1.00 | 994-039067-002 | D04 | /wp-content/uploads/2020/12/D04.pdf | |
2.100-2.200 | 0.30 | 1.22 | 75 | -20 to +85 | 0.75 X 0.75 | 990-210220-301 | D09 | /wp-content/uploads/2020/12/D09.pdf | |
2.100-2.300 | 0.40 | 1.25 | 30 | -40 to +100 | 0.75 X 0.75 | 094-039033-013 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
2.110-2.170 | 0.23 | 1.20 | 50 | -40 to +100 | 0.75 X 0.75 | 994-039038-051 | D03 | /wp-content/uploads/2020/12/D03.pdf | |
2.200-2.300 | 0.30 | 1.25 | 75 | -30 to +70 | 0.75 X 0.75 | 994-039029-011 | D03 | 4 | /wp-content/uploads/2020/12/D03.pdf |
2.200-2.500 | 0.40 | 1.25 | 70 | -20 to +85 | 0.75 X 0.75 | 990-220250-301 | D09 | /wp-content/uploads/2020/12/D09.pdf | |
2.250-2.280 | 0.30 | 1.25 | 70 | -30 to +70 | 0.75 X 0.75 | 994-039029-013 | D03 | 4 | /wp-content/uploads/2020/12/D03.pdf |
2.400-2.500 | 0.25 | 1.22 | 75 | -10 to +85 | 0.75 X 0.75 | 990-240250-301 | D09 | /wp-content/uploads/2020/12/D09.pdf | |
2.400-2.700 | 0.30 | 1.25 | 70 | -10 to +75 | 0.75 X 0.75 | 094-039037-003 | D03 | 5 | /wp-content/uploads/2020/12/D03.pdf |
3.300-3.800 | 0.40 | 1.25 | 50 | -20 to +85 | 0.75 X 0.75 | 990-330380-301 | D09 | /wp-content/uploads/2020/12/D09.pdf | |
3.400-3.600 | 0.35 | 1.25 | 100 | -40 to +85 | 0.75 x 0.75 | 994-039063-015 | D03 | 5, 13 | /wp-content/uploads/2020/12/D03.pdf |
3.700-3.900 | 0.35 | 1.25 | 50 | -40 to +85 | 0.75 X 0.75 | 990-370390-301 | D09 | /wp-content/uploads/2020/12/D09.pdf | |
4.400-5.100 | 0.40 | 1.28 | 20 | -20 to +70 | 0.50x0.50 | 990-440510-203 | D06 | 9 | /wp-content/uploads/2020/12/D06.pdf |
4.500-4.800 | 0.40 | 1.22 | 50 | -30 to +70 | 0.75 X 0.75 | 994-039063-006 | D03 | 5, 6 | /wp-content/uploads/2020/12/D03.pdf |
4.625-4.725 | 0.30 | 1.22 | 50 | 0 to +85 | 0.50x0.50 | 990-462472-201 | D06 | /wp-content/uploads/2020/12/D06.pdf | |
5.150-5.825 | 0.40 | 1.14 | 50 | -40 to +85 | 0.375x0.500 | 994-039052-009 | D05 | /wp-content/uploads/2020/12/D05.pdf | |
5.200-5.900 | 0.35 | 1.20 | 50 | -40 to +85 | 0.50x0.50 | 990-520590-203 | D06 | 9 | /wp-content/uploads/2020/12/D06.pdf |
5.700-5.900 | 0.40 | 1.14 | 50 | -40 to +85 | 0.375x0.500 | 990-570590-101 | D05 | /wp-content/uploads/2020/12/D05.pdf | |
5.725-5.850 | 0.30 | 1.22 | 50 | 0 to +85 | 0.50x0.50 | 990-572582-201 | D06 | /wp-content/uploads/2020/12/D06.pdf | |
5.800-6.700 | 0.40 | 1.25 | 25 | -40 to +100 | 0.50x0.50 | 094-039042-004 | D06 | /wp-content/uploads/2020/12/D06.pdf | |
5.800-7.100 | 0.40 | 1.25 | 50 | -40 to +85 | 0.350x0.475 | 990-580710-901 | D07 | /wp-content/uploads/2020/12/D07.pdf | |
6.700-7.500 | 0.40 | 1.22 | 30 | -40 to +85 | 0.50x0.50 | 990-670750-201 | D06 | /wp-content/uploads/2020/12/D06.pdf | |
7.100-7.900 | 0.50 | 1.25 | 25 | -40 to +85 | 0.50x0.50 | 990-710790-201 | D06 | /wp-content/uploads/2020/12/D06.pdf | |
13.500-14.500 | 0.40 | 1.18 | 10 | -40 to +85 | 0.350x0.475 | 990-135145-901 | D07 | /wp-content/uploads/2020/12/D07.pdf |