SAW Components
Low Loss Filter
Data Sheet
B3712
312,20 MHz
Ceramic package
DCC6C
Features
s
RF low-loss filter for remote control application
s
Package for
Surface Mounted Technology
(SMT)
s
Hermetically sealed ceramic package
s
No matching network required for operation at
50
Ω
s
Passivation layer: Elpas
Terminals
s
Ni, gold-plated
Dimensions in mm, approx. weight 0,037 g
Pin configuration
2
5
1, 3, 4, 6
Input
Output
Ground
Type
B3712
Ordering code
B39311-B3712-U410
Marking and Package
according to
C61157-A7-A67
Packing
according to
F61074-V8168-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
S
-40/+85
-45/+90
0
10
˚C
˚C
V
dBm
source impedance 50
Ω
2
Oct 01, 2004
SAW Components
Low Loss Filter
Data Sheet
B3712
312,20 MHz
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T
= –40 ... 85˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
312,20
max.
—
MHz
Center frequency
f
c
—
Maximum insertion attenuation
α
max
311,90 ... 312,50 MHz
Amplitude ripple
(p-p)
311,90 ... 312,50 MHz
Relative attenuation
(relative to
α
max
)
270,00 ... 286,00
290,20 ... 291,10
301,20 ... 301,80
322,60 ... 323,20
333,30 ... 334,20
354,70 ... 355,90
Temperature coefficient of frequency
α
rel
MHz
MHz
MHz
MHz
MHz
MHz
∆α
—
1,8
2,5
dB
—
0,5
1,3
dB
55
53
48
24
36
50
60
58
53
31
41
55
-30
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
ppm/K
TC
f
—
3
Oct 01, 2004
SAW Components
Low Loss Filter
Data Sheet
B3712
312,20 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW CE AE PD
P.O. Box 80 17 09, D-81617 München
©
EPCOS AG 2004. All Rights Reserved. Reproduction, publication and dissemination of this bro-
chure and the information contained therein without EPCOS’ prior express consent is prohibited.
The information contained in this brochure describes the type of component and shall not be con-
sidered as guaranteed characteristics. Purchase orders are subject to the General Conditions for
the Supply of Products and Services of the Electrical and Electronics Industry recommended by the
ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
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
Oct 01, 2004
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