®
RF360 Europe GmbH
A Qualcomm – TDK Joint Venture
SAW Components
SAW RF filter
Short range devices
Series/type:
Ordering code:
Date:
Version:
B3905
B39321B3905U510
December 11, 2012
2.1
RF360 products mentioned within this document are offered by RF360 Europe GmbH and other subsidiaries of
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is a joint venture of Qualcomm Global Trading Pte. Ltd. and EPCOS AG. References in this documentation to
EPCOS AG should properly reference, and shall be read to reference, the RF360 Subsidiaries.
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SAW Components
SAW RF filter
Short range devices
Series/type:
Ordering code:
Date:
Version:
B3905
B39321B3905U510
December 11, 2012
2.1
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 RF filter
Data sheet
Application
s
s
s
s
s
s
B3905
315.00 MHz
Low-loss RF filter for Short range devices
Impedance transformation from 50
Ω
to 200
Ω
Unbalanced to balanced operation
Very low insertion attenuation
Low amplitude ripple
Usable passband 1.0 MHz
Features
s
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
AEC-Q200 qualified component family
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
December 11, 2012
SAW Components
SAW RF filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –40 ˚C to +85 ˚C
Z
S
=
50
Ω
Z
L
= 200
Ω
(balanced)
min.
Center frequency
Maximum insertion attenuation
314.5 ... 315.5
Amplitude ripple
(p-p)
314.5 ...
VSWR
Input
Output
Attenuation
10.0
225.0
285.0
330.0
350.0
450.0
... 225.0
... 285.0
... 305.0
... 350.0
... 450.0
... 1000.0
MHz
MHz
MHz
MHz
MHz
MHz
314.5
314.5
...
...
315.5
315.5
315.5
f
C
α
max
MHz
∆α
MHz
MHz
MHz
α
55
50
30
20
45
55
60
55
35
25
50
60
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
—
—
—
0.3
1.2
1.2
0.8
1.6
1.6
dB
—
1.3
1.7
dB
—
typ.
@ 25 ˚C
315.0
max.
—
MHz
B3905
315.00 MHz
Please read
cautions and warnings and
important notes
at the end of this document.
3
December 11, 2012
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