CRF-10A-250SQ Datasheet, PDF (1/1 Pages) Merrimac Industries, Inc. – DIRECTIONAL COUPLERS

CRF-10A-250 SQ
DIRECTIONAL COUPLERS
REV: 001, 04/18/02
• SPACE QUALIFIED
• 5 - 500 MHz DIRECTIONAL COUPLER
• FORWARD AND REVERSE COUPLING
TECHNICAL DESCRIPTION / APPLICATION
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”.
MODEL
NUMBER
FREQUENCY
RANGE
MHz
CRF-10A-250 SQ
5 - 500
FREQUENCY SENSITIVITY
dB
MAX.
± 0.5
GENERAL SPECIFICATIONS
COUPLING
INSERTION LOSS
dB
dB
MAX.
10 ± 1
1.3
CW POWER RATING
MAIN LINE
MAX.
1 WATT
DIRECTIVITY
dB
MIN.
20
WEIGHT
MAX.
2.8 g
VSWR
MAX./TYP.
1.5:1 / 1.3:1
PACKAGE OUTLINE
.385 ± 0.020
[9.78 ± .508]
.312 ± .030
[7.92 ± 0.76]
(TYP)
.150 MAX.
[3.81]
.510 ± 0.020
[12.94 ± 0.508]
*.350 TYP.
[8.89]
*.250 TYP.
[6.35]
*.015 ± 0.005
[0.38 ± 0.127]
TYP. 8 PINS
*.100 TYP.
[2.54]
*.080 TYP. ₅
[2.03]
*.050 ± 0.015
[1.27 ± 0.381]
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.
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.
Merrimac Industries, RF & Microwave Products Division / 41 Fairfield Place, West Caldwell, NJ 07006
Tel: [phone] / Fax: [phone] / Internet: www.Merrimacind.com