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SF5903 Datasheet(PDF) 1 Page - Vanlong Technology Co., Ltd.

Part # SF5903
Description  868.30 MHz SAW Filter
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Manufacturer  VANLONG [Vanlong Technology Co., Ltd.]
Direct Link  http://www.vanlong.com
Logo VANLONG - Vanlong Technology Co., Ltd.

SF5903 Datasheet(HTML) 1 Page - Vanlong Technology Co., Ltd.

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868.30 MHz SAW Filter
Phone: +86 (10) 5820 3910
Fax: +86 (10) 5820 3915
Email: sales@vanlong.com
Web: http://www.vanlong.com
© 2007 by Vanlong Technology Co., Ltd.
SF5903
Designed to Provide Front-end Selectivity in 868.30 MHz
Low-Loss, Coupled-Resonator Quartz Design
Simple External Impedance Matching
Ultra Miniature Ceramic QCC8C SMD Package
Complies with Directive 2002/95/EC (RoHS Compliant)
Absolute Maximum Rating (Ta=25
°C)
Parameter
Rating
Unit
Input Power Level
Pin
10
dBm
DC Voltage VDC Between Any Two Pins
VDC
12
V
Operating Temperature Range
TA
-10 ~ +60
°C
Storage Temperature Range
Tstg
-40 ~ +85
°C
Electronic Characteristics
Parameter
Sym
Minimum
Typical
Maximum
Unit
Nominal Frequency (at 25
°C)
(Center frequency between 3dB point)
fC
NS
868.30
NS
MHz
Insertion Loss Attenuation
IL
-
3.5
5.5
dB
3dB Passband
BW3
-
1.2
-
MHz
Passband Ripple
-
-
-
±1.0
dB
At fC - 21.4 MHz (Image)
-
30
42
-
dB
At fC - 10.7 MHz (LO)
-
20
35
-
dB
Rejection
Ultimate
-
-
60
-
dB
Operating Temperature Range
TC
-10
-
+60
°C
Turnover Temperature
TO
25
-
55
°C
Turnover Frequency
fO
-
fC
-
MHz
Temperature Stability
Frequency Temperature Coefficient
FTC
-
0.032
-
ppm/C
2
Frequency Aging
Absolute Value during the First Year
|fA|
-
-
10
ppm/yr
DC Insulation Resistance Between any Two Pins
-
1.0
-
-
M
NS = Not Specified
Notes:
1.
The frequency fC is defined as the midpoint between the 3dB
frequencies.
2.
Unless noted otherwise, all measurements are made with the filter
installed in the specified test fixture that is connected to a 50
Ω test
system with VSWR
≤ 1.2:1. The test fixture L and C are adjusted
for minimum insertion loss at the filter center frequency, fC. Note
that insertion loss, bandwidth, and passband shape are dependent
on the impedance matching component values and quality.
3.
Unless noted otherwise, specifications apply over the entire
specified operating temperature range.
4.
Frequency aging is the change in fC with time and is specified at
+65
°C or less. Aging may exceed the specification for prolonged
temperatures above +65
°C. Typically, aging is greatest the first
year after manufacture, decreasing in subsequent years.
5.
Turnover temperature, T0, is the temperature of maximum (or
turnover) frequency, f0. The nominal frequency at any case
temperature, TC, may be calculated from: f = f0 [1 - FTC (T0 - TC)
2].
6.
The specifications of this device are based on the test circuit
shown above and subject to change or obsolescence without
notice.
7.
All equipment designs utilizing this product must be approved by
the appropriate government agency prior to manufacture or sale.
8.
Our liability is only assumed for the Surface Acoustic Wave (SAW)
component(s) per se, not for applications, processes and circuits
implemented within components or assemblies.
9.
For questions on technology, prices and delivery please contact
our sales offices or e-mail sales@vanlong.com.
SF5903


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