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
50Ω
27nH
50
Ω
Single-ended
50Ω
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 +25
o
C)
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
Ω
Single-ended
50Ω
18pF
1,2,3,4,6
7,8,9,10,12
50Ω
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
Ø330
0.3
2.0
ID dot
4.0
Ø1.5
A
1.75
11.5
13.9
24
Ø102
Direction of travel
Ø20.2
Ø13.0
2.0
2.3
Section A-A
7.1
12.0
Ø1.5
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.
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