SAW Components
SAW RF filter
Automotive telematics
Series/type:
Ordering code:
Date:
Version:
B3525
B39162B3525U510
May 05, 2010
2.0
©
EPCOS AG 2010. Reproduction, publication and dissemination of this data sheet, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SAW Components
SAW RF filter
Data sheet
Application
s
s
s
s
s
s
B3525
1575.42 MHz
Low-loss RF filter for GPS applications
Impedance transformation from 50
Ω
to 100
Ω
Unbalanced to balanced operation
Low insertion attenuation
Low amplitude ripple
Usable passband 2.0 MHz
Features
s
s
s
s
s
s
s
s
Package size 3.0 x 3.0 x 1.1 mm
3
Package code DCC6D
RoHS compatible
Approximate weight 0.037 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Lead free soldering compatible with J - STD20C
Electrostatic Sensitive Device
(ESD)
Pin configuration
s
2
s
4,6
s
1,3,5
Input unbalanced
Output balanced
Case ground (to be grounded)
Please read
cautions and warnings and
important notes
at the end of this document.
2
May 05, 2010
SAW Components
SAW RF filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –40 ˚C to +85 ˚C
50
Ω
Z
S
=
Z
L
= 100
Ω
(balanced)
min.
Center frequency
f
C
—
typ.
@ 25 ˚C
1575.42
max.
—
MHz
B3525
1575.42 MHz
Maximum insertion attenuation
α
max
1574.42 ... 1576.42 MHz
1572.92 ... 1577.92 MHz
1572.42 ... 1578.42 MHz
Amplitude ripple
(p-p)
∆α
1574.42 ... 1576.42 MHz
1572.92 ... 1577.92 MHz
1572.42 ... 1578.42 MHz
Input VSWR
1574.42 ... 1576.42 MHz
1572.92 ... 1577.92 MHz
1572.42 ... 1578.42 MHz
Output VSWR
1574.42 ... 1576.42 MHz
1572.92 ... 1577.92 MHz
1572.42 ... 1578.42 MHz
Attenuation
10.00
1425.00
1525.00
1615.42
1625.00
1675.00
2000.00
...
...
...
...
...
...
...
1425.00
1525.00
1535.42
1625.00
1675.00
2000.00
2500.00
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
—
—
—
—
—
—
—
—
—
—
—
—
2.8
2.8
2.8
0.2
0.3
0.3
1.5
1.5
1.5
1.4
1.4
1.4
3.4
3.8
4.0
1.0
1.4
1.6
1.9
2.2
2.4
1.8
2.1
2.3
dB
dB
dB
dB
dB
dB
60
50
40
33
37
55
50
70
55
55
43
47
65
60
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
Please read
cautions and warnings and
important notes
at the end of this document.
3
May 05, 2010
SAW Components
SAW RF filter
Data sheet
B3525
1575.42 MHz
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
Input power at
1574.42 ... 1576.42 MHz
2400 ... 2483.5 MHz
824...960, 1710...2170 MHz
960...1525 MHz
1)
T
T
stg
V
DC
V
ESD
P
IN
P
IN
P
IN
P
IN
–45/+125
–45/+125
3
50
1)
5
20
25
10
˚C
˚C
V
V
dBm
dBm
dBm
dBm
machine model, 10 pulses
source 50Ω, load100Ω
cw
cw
cw
cw
acc. to JESD22-A115A (machine model), 10 negative & 10 positive pulses.
Please read
cautions and warnings and
important notes
at the end of this document.
4
May 05, 2010
SAW Components
SAW RF filter
Data sheet
Transfer function
B3525
1575.42 MHz
Transfer function
(wideband)
Please read
cautions and warnings and
important notes
at the end of this document.
5
May 05, 2010
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