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Details, datasheet, quote on part number:855975
 
 
Part:855975
Category:RF & Microwaves => Filters => SAW (Surface Acoustic Wave) Filters
Description:Description = Filter - Wireless Data ;; Frequency (MHz) = 280 ;; Bandwidth (MHz) = 17 ;; Insertion Loss (dB) = 10.0 Max ;; Modes of Operation = SE, Bal ;; Package (mm) = 5.0 X 5.0
Company:TriQuint Semiconductor
Datasheet:Download 855975 datasheet   File size : 488 kB
Request For quote:  Find where to buy 855975
 



Datasheet text preview:
Data Sheet
Features
· · · · · · · For WLAN applications Usable bandwidth of 17 MHz Low loss High attenuation at tones Single-ended or balanced operation Ceramic Surface Mount Package (SMP) Small size

Part Number 855975 280 MHz SAW Filter

·

Package
Surface Mount 5.00 x 5.00 x 1.32 mm

Pin Configuration
Bottom View
1 2 3

1.32 NOM. 1.52 MAX. 5.00 1.27

0.66

8

4

7

6

5

5.00 1.27

Pin No. 2 3 6 7 1,4,5,8

Description Input return Input Output return Output Case ground

2.08

0.64

Dimensions shown are nominal in millimeters All tolerances are ±0.15mm except overall length and width ±0.15/±0.10mm Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 0.5 - 1.0µm, over a 2 - 6µm Ni plating

Subject to change or obsolescence without notice

Rev A

07-Dec-2001

Page 1 of 5

Data Sheet
Operating Temperature Range: (2) -10 to +50 oC

Part Number 855975 280 MHz SAW Filter
Electrical Specifications (1)

Parameter (3)
Center Frequency, f0 Insertion Loss at 280 MHz Lower 3 dB Point (4) Upper 3 dB Point Passband Ripple 271.5 - 288.5 MHz Group Delay Variation 271.5 - 288.5 MHz Stopband Rejection (4) 10 - 250 MHz 310 - 340 MHz 340 - 500 MHz Source Impedance: (5) Load Impedance: (5) Notes:
1. 2. 3. 4. 5.

Minimum
288.5 40 38 40 -

Typical
280 8.95 269.1 291.1 0.6 40 43 40 42 50 50

Maximum
10 271.5 1 100 -

Unit
MHz dB MHz MHz dB p-p ns dB dB dB

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 280 MHz This is the optimum impedance in order to achieve the performance shown

Test Circuit:
12nH 3 7 18pF 1,2,4,5,6,8 50 15nH

50 Single-ended

50

10pF

Subject to change or obsolescence without notice

Rev A

07-Dec-2001

Page 2 of 5

Data Sheet

Part Number 855975 280 MHz SAW Filter
Typical Performance (at +25oC)

Subject to change or obsolescence without notice

Rev A

07-Dec-2001

Page 3 of 5

Data Sheet
Actual matching values may vary due to PCB layout and parasitics
12nH 3 7 15nH

Part Number 855975 280 MHz SAW Filter
Matching Schematics

50 Single-ended

50

10pF 1,2,4,5,6,8

18pF

50

Marking
2.28
Sawtek logo Marking code

PCB Footprint
5.20 1.47

J JJJYM
.84 .71
ID dot Date code

.43

.84

1.47

The date code consists of: JJJ = Julian day, Y = last digit of year, M = manufacturing site code

This footprint represents a recommendation only Dimensions shown are nominal in millimeters

Tape and Reel
2.7 12.8 Ø330 ID dot
0.3 2.0 4.0 Ø1.5 A 1.75 5.5

Sawtek logo Ø102 Ø20.2 Ø13.0 2.0 Direction of travel

5.25 1.8 Section A-A 5.25 8.0 Ø1.5 A

12.0

Dimensions shown are nominal in millimeters Packaging quantity: 4000 units/reel

Subject to change or obsolescence without notice

Rev A

07-Dec-2001

Page 4 of 5

Data Sheet
Maximum Ratings
Parameter
Operating Temperature Range Storage Temperature Range

Part Number 855975 280 MHz SAW Filter
Symbol
T Tstg

Minimum
-10 -40

Maximum
+50 +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 A

Or contact one of our worldwide network of sales offices, representatives or distributors

07-Dec-2001

Page 5 of 5