Part Number 855915 249.6 Filter Package Surface Mount 7.01 5

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Part Number 855915 249.6 Filter Package Surface Mount 7.01 5

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applications Usable bandwidth 3.84 High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Small size
Part Number 855915 249.6 Filter
Package
Surface Mount 7.01 5.51 1.63
Configuration
Bottom View
0.76 1.63 NOM. 1.78 MAX.
7.01 1.27
1.70 5.51
1.27
1,2,3,5,6 7,8,9,11,12
Description Output Input Case Ground Case Ground
0.79
1.14
Dimensions shown nominal millimeters tolerances ±0.15mm except overall length width ±0.13mm Body: Al2O3 ceramic Lid: Kovar, plated Terminations: plating 1.0µm, over plating
Subject change obsolescence without notice
30-Oct-2002
Page
Temperature Range:
Part Number 855915 249.6 Filter
Electrical Specifications
Parameter
Center Frequency Minimum Insertion Loss 249.6 Lower Frequency Upper Frequency Bandwidth Lower Frequency Upper Frequency Bandwidth Passband Ripple 247.68 251.52 Group Delay Variation 247.68 251.52 Input VSWR 247.68 251.52 Output VSWR 247.68 251.52 Relative Attenuation 234.6 264.6 Source Impedance Load Impedance Notes:
Minimum
251.52 3.84 244.1
Typical
249.6 16.11 246.98 251.89 4.89 244.27 254.41 10.14 0.22 27.15 1.25:1 1.34:1 63.5 55.63
Maximum
247.68 255.1 2.10:1 2.10:1
Unit
nsec
specifications based test circuit shown below production, devices will tested room temperature guardbanded specification ensure electrical compliance over temperature Electrical margin been built into design account variations manufacturing tolerances attenuation measurements referenced average insertion loss over passband This optimum impedance order achieve performance shown
Test Circuit:
Actual matching values vary layout parasitics
110nH 27nH 82nH 120nH
Single-ended
82nH
1,2,3,5,6 7,8,9,11,12
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30-Oct-2002
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Part Number 855915 249.6 Filter
Typical Performance +25oC)
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Actual matching values vary layout parasitics
110nH 27nH 82nH
Part Number 855915 249.6 Filter
Matching Schematics
120nH
Single-ended
82nH
1,2,3,5,6 7,8,9,11,12
Marking
1.34
Footprint
1.34
Date code
SAWTEK 855915 XXXXXX
5.71
7.21
date code consists current year (Julian, digits), last digit year digit) hour digits)
This footprint represents recommendation only Dimensions shown nominal millimeters
Tape Reel
16.8
1.75
16.0
Direction travel
Section
Dimensions shown nominal millimeters Packaging quantity: 3000 units/reel
Subject change obsolescence without notice
30-Oct-2002
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Parameter
Operating Temperature Range Storage Temperature Range Input Power
Part Number 855915 249.6 Filter
Maximum Ratings
Symbol
Tstg
Minimum
Maximum
Unit
Warnings
Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure
Links Additional Technical Information
Layout Tips S-Parameters Qualification Flowchart Soldering Profile Other Technical Information
Sawtek's liability limited only Surface Acoustic Wave (SAW) component(s) described this data sheet. Sawtek does accept liability applications, processes, circuits assemblies which implemented using Sawtek component described this data sheet.
Contact Information
609501 Orlando, 32860-9501
Subject change obsolescence without notice
Phone: (407) 886-8860 Fax: (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com
contact worldwide network sales offices, representatives distributors
30-Oct-2002
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Part Number 855915 249.6 Filter Package Surface Mount 7.01 5

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