SAW Filters for Industrial
Electronics
Series/Type:
B5230
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39251B5230H310
Substitute Product
Date of Withdrawal
2014-08-29
Deadline Last
Orders
2015-02-28
Last Shipments
2015-05-31
For further information please contact your nearest EPCOS sales office, which will also support you in selecting a suitable substitute. The
addresses of our worldwide sales network are presented at www.epcos.com/sales.
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
SAW Components
SAW IF filter
Data sheet
Application
s
Low-loss IF filter for WiMAX base station
s
Usable passband 30.5 MHz
s
Unbalanced or balanced operation possible
B5230
245.0 MHz
Features
Package size 7.0 x 5.0 x 1.48 mm
3
Package code QCC12C
RoHS compatible
Approximate weight 0.25 g
Ceramic Package for
Surface Mount Technology
(SMT)
s
Ni, gold-plated terminals
s
Electrostatic Sensitive Device
(ESD)
s
Filter surface passivated
s
s
s
s
s
Pin configuration
s
s
s
s
s
s
10
12
4
6
1, 2, 7, 8
3, 9
Input
Input ground or balanced input
Output
Output ground or balanced output
To be grounded
Case ground
Please read
cautions and warnings and
important notes
at the end of this document.
2
February 04, 2010
SAW Components
SAW IF filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
B5230
245.0 MHz
T = –40 ˚C to +85 ˚C
Z
S
=
50
Ω
unbalanced and matching network
Z
L
=
50
Ω
unbalanced and matching network
min.
typ.
@ 25 ˚C
245.0
9.2
max.
—
10.5
MHz
dB
Nominal frequency
Minimum insertion attenuation
(including matching network)
Passband width
α
rel
≤
1.0 dB
Amplitude ripple
(p-p)
f
N
±
15.25 MHz
Group delay ripple
(p-p)
f
N
±
15.25 MHz
Absolute group delay
(mean)
f
N
±
15.25 MHz
Phase ripple
(p-p)
f
N
±
15.25 MHz
Relative attenuation
(relative to
α
min
)
100.0 MHz ... 220.0 MHz
270.0 MHz ... 275.0 MHz
275.0 MHz ... 500.0 MHz
Return loss
input f
N
±
15.25 MHz
output f
N
±
15.25 MHz
Triple transit response suppression
f
N
α
min
—
—
B
1.0dB
∆α
30.5
36.7
—
MHz
—
∆τ
—
τ
—
∆ϕ
—
α
rel
40
30
40
0.2
1.0
dB
20
60
ns
0.65
1.0
µs
°
3.5
10
48
44
45
—
—
—
dB
dB
dB
10
10
35
15
17
46
—
—
—
dB
dB
dB
Temperature coefficient of frequency
TC
f
—
–87
—
ppm/K
Please read
cautions and warnings and
important notes
at the end of this document.
3
February 04, 2010
SAW Components
SAW IF filter
Data sheet
Matching network to 50
Ω
unbalanced input and output
Ls2
Cp1
Ls3
Lp4
B5230
245.0 MHz
C
p1
= 12.0 pF
L
s2
= 33.0 nH
L
s3
= 8.2 nH
L
p4
= 18.0 nH
Element values depend upon board layout and properties.
Maximum ratings
Operable temperature range T
Storage temperature range T
stg
DC voltage
V
DC
Input power
P
IN
–40/+85
–40/+85
0
17
˚C
˚C
V
dBm
Please read
cautions and warnings and
important notes
at the end of this document.
4
February 04, 2010
SAW Components
SAW IF filter
Data sheet
Transfer function (S21, narrowband, normalized)
B5230
245.0 MHz
Transfer function (S21, wideband, normalized)
Please read
cautions and warnings and
important notes
at the end of this document.
5
February 04, 2010
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