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Data Sheet
Features
* * * * * * For wireless data applications Usable bandwidth of 1 MHz High attenuation Single-ended operation at 50 Ceramic Surface Mount Package (SMP) Small size
Part Number 855377 350 MHz SAW Filter
*
Package
Surface Mount 7.01 x 5.51 x 1.63 mm
Pin Configuration
Bottom View
1 2 3
12
0.76 1.63 NOM. 1.78 MAX.
4 5 6
11 10
7.01 1.27
9
8
7
1.70 5.51
1.27
0.79
1.14
Pin No. 4 6 10 12 1,2,3,5 7,8,9,11
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 0.13mm 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 -
08-Feb-2002
Page 1 of 5
Data Sheet
Operating Temperature Range: (2) -10 to +60 oC
Part Number 855377 350 MHz SAW Filter
Electrical Specifications (1)
Parameter (3)
Center Frequency Insertion Loss at 350 MHz 1 dB Bandwidth (4) 3 dB Bandwidth (4) 30 dB Bandwidth (4) 40 dB Bandwidth (4) 45 dB Bandwidth (4) Amplitude Variation 349.5 - 350.5 MHz Group Delay Variation 349.5 - 350.5 MHz Source Impedance (5) Load Impedance (5) Notes:
1. 2. 3. 4. 5.
Minimum
1 1.8 -
Typical
350 8.2 1.57 2.4 4.76 5.3 5.6 0.35 72 50 50
Maximum
10 5.1 5.6 15 1 200 -
Unit
MHz dB MHz MHz MHz MHz MHz dB p-p nsec
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 All attenuation measurements are measured relative to insertion loss at 350 MHz 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
22nH 10 4 20pF 50 22nH
50 Single-ended
50
26pF
1,2,3,5,6 7,8,9,11,12
Subject to change or obsolescence without notice
Rev -
08-Feb-2002
Page 2 of 5
Data Sheet
Part Number 855377 350 MHz SAW Filter
Typical Performance (at +25oC)
Subject to change or obsolescence without notice
Rev -
08-Feb-2002
Page 3 of 5
Data Sheet
Actual matching values may vary due to PCB layout and parasitics
22nH 10 4 22nH
Part Number 855377 350 MHz SAW Filter
Matching Schematics
50 Single-ended
50
26pF
1,2,3,5,6 7,8,9,11,12
20pF
50
Marking
1.34
PCB Footprint
.99 .28 1.34 .28
Date code
ID dot
SAWTEK 855377 XXXXXX
5.71
.99 7.21
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 Pad 1 ID dot
0.3 2.0 4.0 O1.5
A
1.75 7.5
7.3
16.0
O102
Direction of travel O20.2 O13.0 2.0
2.2 Section A-A 5.8 8.0 O1.5
A
Dimensions shown are nominal in millimeters Packaging quantity: 3000 units/reel
Subject to change or obsolescence without notice
Rev -
08-Feb-2002
Page 4 of 5
Data Sheet
Maximum Ratings
Parameter
Operating Temperature Range Storage Temperature Range
Part Number 855377 350 MHz SAW Filter
Symbol
T Tstg
Minimum
-10 -40
Maximum
+60 +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
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 -
Or contact one of our worldwide network of sales offices, representatives or distributors
08-Feb-2002
Page 5 of 5

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