Crane Aerospace & Electronics Microwave Solutions Directional Coupler - CRF-10A-250 SQ Technical Feature features • Space Qualified • 5 - 500 MHz • Forward and Reverse Coupling PERFORMANCE Description The CRF-10A-250 SQ Directional Coupler covers 5 - 500 MHz with a special lumped element design to reduce size, while maintaining high performance. Parts, materials and processes are in accordance with Merrimac document CENG-0001, “Standard Design Requirements for Space Qualified Devices”. Frequency Range................................................5 - 500 MHz Coupling..................................................................10 ± 1 dB Insertion Loss...................................................... 1.3 dB max. Directivity............................................................... 20 dB min. VSWR....................................................1.5:1 max., 1.3:1 typ. Frequency Sensitivity........................................ ±0.5 dB max. CW Power Rating Main Line................................. 1 W maax. PACKAGE OUTLINE .312 ± .030 .150 MAX. [3.81] [7.92 ± 0.76] (TYP) IN OUT .385 ± 0.020 [9.78 ± .508] *.350 TYP. [8.89] .510 ± 0.020 [12.94 ± 0.508] FWD REV *.250 TYP. [6.35] *.015 ± 0.005 [0.38 ± 0.127] TYP. 8 PINS NOTES: 1. TOLERANCE ON 3 PLACE DECIMALS ± .010 [.25mm] EXCEPT AS NOTED. 2. MAX. IS LARGEST DIMENSION ALLOWED. 3. DIMENSIONS = INCHES [mm] 4. METRIC EQUIVALENTS ARE TO THE NEAREST .01 mm. Crane Aerospace & Electronics Microwave Solutions – Merrimac Industries 41 Fairfield Place, West Caldwell, NJ 07006 + 1.973.575.1300 ext. 1309 • [email protected] www.craneae.com/mw *.100 TYP. [2.54] *.080 TYP. [2.03] 5 *.050 ± 0.015 [1.27 ± 0.381] 5. ALL LEADS TO BE WITHIN ±.010 [.25mm] OF EACH OTHER AT THIS DIMENSION. 6. DIMENSIONS MARKED WITH * APPLY ONLY AT BODY. 7. ALL UNMARKED PINS ARE CASE GROUND. CRF-10A-250 SQ - Rev. 1, 04/18/2002 DS_Dir Coupler_CRF10A250SQ_041802.doc. This revision supersedes all previous releases. All technical information is believed to be accurate, but no responsibility is assumed for errors. We reserve the right to make changes in products or specifications without notice. Copyright © 2012 Crane Electronics, Inc. All rights reserved.