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| Preliminary Data Sheet Features * * * * * * * For wireless broadband applications Usable bandwidth 0.8 MHz Low loss High attenuation Single or Balanced operation Ceramic Surface Mount Package (SMP) Small size Part Number 856271 350 MHz SAW Filter * Package Surface Mount 9.10 x 4.80 x 1.24 mm Pin Configuration Bottom View 1 0.69 2 3 4 10 1.24 NOM. 1.35 MAX. 9.10 2.54 1.50 9 8 7 6 5 4.80 2.54 Pin No. 4 5 9 10 1,2,3,6,7,8 Description Input Input Return Output Output Return Case Ground 0.80 1.00 Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width +0.10mm/-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 - 26-Mar-2004 Page 1 of 5 Preliminary Data Sheet Operating Temperature Range: (2) -20 to +70 oC Part Number 856271 350 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Insertion Loss at 350 MHz (4) 1 dB Lower Bandedge 1 dB Upper Bandedge 1 dB Bandwidth 15 dB Lower Bandedge 15 dB Upper Bandedge 15 dB Bandwidth 40 dB Lower Bandedge 40 dB Upper Bandedge 40 dB Bandwidth Group Delay Variation 349.6 - 350.4 MHz Optimal Source Impedance (5) Optimal Load Impedance (5) Notes: 1. 2. 3. 4. 5. All specifications are based on the test circuit shown below In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over temperature Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances Relative to insertion loss at 350MHz This is the optimum impedance in order to achieve the performance shown Minimum 350.4 0.8 348.9 347.3 - Typical 350 8 349.39 350.60 1.21 349.07 350.89 1.82 347.54 352.41 4.87 135 50 50 Maximum 11 349.6 351.1 2.2 352.7 5.4 200 - Unit MHz dB MHz MHz MHz MHz MHz MHz MHz MHz MHz nsec Test Circuit: 10nH 4 9 22pF 50 8.2nH 50 Single-ended 50 33pF 1,2,3,5 6,7,8,10 Subject to change or obsolescence without notice Rev - 26-Mar-2004 Page 2 of 5 Preliminary Data Sheet Part Number 856271 350 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 26-Mar-2004 Page 3 of 5 Preliminary Data Sheet Actual matching values may vary due to PCB layout and parasitics 10nH 4 9 8.2nH Part Number 856271 350 MHz SAW Filter Matching Schematics 50 Single-ended 50 33pF 1,2,3,5 6,7,8,10 22pF 50 Marking 1.19 PCB Footprint 9.29 1.19 SAWTEK 856271 XXXXXX 5.00 1.70 1.53 1.01 3.55 1.01 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 2.7 16.8 O330 ID dot 0.3 2.0 4.0 O1.5 A 1.75 7.5 9.4 O102 O20.2 O13.0 16.0 2.0 Direction of travel 1.6 Section A-A 5.1 8.0 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 4000 units/reel Subject to change or obsolescence without notice Rev - 26-Mar-2004 Page 4 of 5 Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 856271 350 MHz SAW Filter Symbol T Tstg Minimum -20 -40 Maximum +70 +85 Unit o o C 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 Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com Or contact one of our worldwide network of sales offices, representatives or distributors Subject to change or obsolescence without notice Rev - 26-Mar-2004 Page 5 of 5 |
Price & Availability of 856271
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