SAW Components
Low-loss Filter
Data Sheet
B3540
433,92 MHz
Metal package
TO39
Features
s
RF low-loss filter for remote control receivers
Terminals
s
NiFeCo, gold plated
Dimensions in mm, approx. weight 1,0 g
Pin configuration
1
2
3
Input
Output
Ground
Type
B3540
Ordering code
B39431-B3540-B110
Marking and Package
according to
C61157-A7-A24
Packing
according to
F61074-V8072-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
A
T
stg
V
DC
P
S
–45/+85
–45/+85
0
10
˚C
˚C
V
dBm
source impedance 50
Ω
2
Dec 14, 1999
SAW Components
Low-loss Filter
Data Sheet
B3540
433,92 MHz
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 25 ˚C
Z
S
= 50
Ω
and matching network
Z
L
= 50
Ω
and matching network
min.
typ.
433,96
max.
—
MHz
Center frequency
(center frequency between 3 dB points)
f
C
—
Minimum insertion attenuation
α
min
433,80 ... 434,12 MHz
Pass band
(relative to
α
min
)
433,77 ... 434,15 MHz
433,71 ... 434,21 MHz
Relative attenuation
10,00
414,00
428,00
434,92
442,00
550,00
... 414,00
... 428,00
... 432,92
... 442,00
... 550,00
...1000,00
MHz
MHz
MHz
MHz
MHz
MHz
α
rel
—
2,8
4,0
dB
—
—
1,0
1,5
3,0
6,0
dB
dB
45
40
15
10
35
45
50
45
20
15
40
50
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
Impedance
for pass band matching
Input:
Z
IN
=
R
IN
||
C
IN
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
1)
Frequency inversion point
1)
Temperature
—
—
270 || 2,7
250 || 3,2
–0.03
—
—
—
—
30
Ω
|| pF
Ω
|| pF
ppm/K
2
°C
TC
f
T
0
—
10
dependence of
f
C
:
f
C
(T
A
) =
f
C
(T
0
) (1 +
TC
f
(T
A
-
T
0
)
2
)
3
Dec 14, 1999
SAW Components
Low-loss Filter
Data Sheet
B3540
433,92 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, OFW E UE
P.O. Box 80 17 09, D-81617 München
©
EPCOS AG 1999. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
the international representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our sales offices.
5
Dec 14, 1999
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