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| Data Sheet Features * * * * * * For fixed wireless applications Usable bandwidth of 2.6 MHz High attenuation Single-ended or balanced operation Ceramic Surface Mount Package (SMP) Small size Part Number 855399 350 MHz SAW Filter * Package Surface Mount 13.30 x 6.50 x 1.75 mm Pin Configuration Bottom View 1 1.75 NOM. 1.96 MAX. 0.76 13.3 2.54 2.18 6.50 2.54 2 3 4 5 6 12 11 10 9 8 7 1.17 x 3.76 0.79 1.50 Pin No. 5 6 11 12 1,2,3,4 7,8,9,10 Description Output Output return Input Input return Case ground Case ground Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width 0.10mm Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 0.5 - 1.0m, over a 2 - 6m Ni plating Subject to change or obsolescence without notice Rev A 15-Jan-2003 Page 1 of 5 Data Sheet Operating Temperature: (2) +25 oC Part Number 855399 350 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency @ 3dB Insertion Loss at 350 MHz 0.5 dB Bandwidth (4) 3 dB Bandwidth (4) 20 dB Bandwidth (4) 45 dB Bandwidth (4) Group Delay Variation 348.9 - 351.1 MHz Source Impedance (5) Load Impedance (5) Substrate Material Temperature Coefficient of Frequency Notes: 1. 2. 3. 4. 5. Minimum 349.9 1.7 2.6 - Typical 350 13.7 1.97 2.62 3.82 4.4 30 50 50 Quartz F/F=-[(T-T0)/5.4]2 Maximum 350.1 15 4 6 70 - Unit MHz dB MHz MHz MHz MHz nsec ppm/oC All specifications are based on the test circuit shown below This specification is valid for room temperature only Electrical margin has been built into the design to account for the variations due to manufacturing tolerances Relative to insertion loss at 350MHz This is the optimum impedance in order to achieve the performance shown Test Circuit: Actual matching values may vary due to PCB layout and parasitics 27nH 11 5 18pF 50 27nH 50 Single-ended 50 18pF 1,2,3,4,6 7,8,9,10,12 Subject to change or obsolescence without notice Rev A 15-Jan-2003 Page 2 of 5 Data Sheet Part Number 855399 350 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev A 15-Jan-2003 Page 3 of 5 Data Sheet Actual matching values may vary due to PCB layout and parasitics 27nH 11 5 18pF 27nH Part Number 855399 350 MHz SAW Filter Matching Schematics 50 Single-ended 50 18pF 1,2,3,4,6 7,8,9,10,12 50 Marking 1.70 PCB Footprint 13.51 3.53 SAWTEK 855399 XXXXXX ID Dot Date Code 6.70 .99 .99 8.61 1.55 1.70 The date code consists of: day of the current year (Julian, 3 digits), last digit of the year (1 digit) and hour (2 digits) This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 24.8 2.7 O330 0.3 2.0 ID dot 4.0 O1.5 A 1.75 11.5 13.9 24 O102 Direction of travel O20.2 O13.0 2.0 2.3 Section A-A 7.1 12.0 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 2000 units/reel Subject to change or obsolescence without notice Rev A 15-Jan-2003 Page 4 of 5 Data Sheet Maximum Ratings Parameter Operating Temperature Range Part Number 855399 350 MHz SAW Filter Symbol T Minimum - Typical +25 Maximum - Unit o C Warnings * * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure Links to Additional Technical Information PCB Layout Tips S-Parameters Qualification Flowchart Soldering Profile Other Technical Information Sawtek's liability is limited only to the Surface Acoustic Wave (SAW) component(s) described in this data sheet. Sawtek does not accept any liability for applications, processes, circuits or assemblies which are implemented using any Sawtek component described in this data sheet. Contact Information PO Box 609501 Orlando, FL 32860-9501 USA Subject to change or obsolescence without notice Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com Rev A Or contact one of our worldwide network of sales offices, representatives or distributors 15-Jan-2003 Page 5 of 5 |
Price & Availability of 855399
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