SAW Components
SAW resonator
Short range devices
Series/type:
Ordering code:
Date:
Version:
R 770
B39431R 770U310
October 09, 2006
2.0
©
EPCOS AG 2006. 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 resonator
Data sheet
Application
s
1-port resonator (2 Resonators in 1 housing)
s
Provides reliable, fundamental mode, quartz fre-
R 770
433.81 / 434.06 MHz
quency stabilization i.e. in transmitters or local oscil-
lators
Features
s
s
s
s
s
s
s
s
s
s
Package size 5.0 x 5.0 x 1.35 mm
3
Package code QCC8C
RoHS compatible
Approximate weight 0.1 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Lead free soldering compatible with J - STD20C
Protection layer: Protec
AEC-Q200 qualified component family
Electrostactic Sensitive Device
(ESD)
Pin configuration
s
s
s
s
s
s
1
3
7
5
4,8
2,6
Input Reso 1
Input Reso 2
Output Reso 1
Output Reso 2
Ground (case)
float
R1 L1 C1
R2 L2 C2
C01
1
7 3
C02
5
Please read
cautions and warnings and
important notes
at the end of this document.
2
October 09, 2006
SAW Components
SAW resonator
Data sheet
Characteristics Resonator 1
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
433.745
typ.
433.810
max.
433.845
R 770
433.81 / 434.06 MHz
Center frequency Resonator 1
1)
Frequency offset Resonator 2 to
Resonator 1
Minimum insertion attenuation
Unloaded quality factor
Ageing of f
C
Equivalent circuit elements
Motional capacitance
Motional inductance
Motional resistance
Parallel capacitance
2)
f
C
MHz
f
offset
α
min
Q
U
200.0
250.0
300.0
KHz
—
7500
—
1.3
10100
—
2.12
63.43
17
2.4
–0.03
—
1.7
—
–50/+50
—
—
23
—
—
35
dB
ppm
fF
µH
Ω
pF
ppm/K
2
˚C
C
1
L
1
R
1
C
0
T
0
—
—
—
—
—
5
Temperature coefficient of frequency
3)
TC
f
Turnover temperature
1)
2)
3)
Center frequency is defined as maximum of the real part of the admittance.
If used in two port configuration (pin 1 - input, pin 7 - output) C
0
is reduced by approx. 0.3 pF.
Temperature dependence of f
C
: f
C
(T
A
) = f
C
(T
0
) (1 + TC
f
(T
A
– T
0
)
2
)
Please read
cautions and warnings and
important notes
at the end of this document.
3
October 09, 2006
SAW Components
SAW resonator
Data sheet
Characteristics Resonator 2
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
433.995
typ.
434.060
max.
434.095
R 770
433.81 / 434.06 MHz
Center frequency Resonator 2
1)
Frequency offset Resonator 2 to
Resonator 1
Minimum insertion attenuation
Unloaded quality factor
Ageing of f
C
Equivalent circuit elements
Motional capacitance
Motional inductance
Motional resistance
Parallel capacitance
2)
f
C
MHz
f
offset
α
min
Q
U
200.0
250.0
300.0
KHz
—
7500
—
1.3
10100
—
2.14
62.86
17
2.4
–0.03
—
1.7
—
–50/+50
—
—
23
—
—
35
dB
ppm
fF
µH
Ω
pF
ppm/K
2
˚C
C
1
L
1
R
1
C
0
T
0
—
—
—
—
—
5
Temperature coefficient of frequency
3)
TC
f
Turnover temperature
1)
2)
3)
Center frequency is defined as maximum of the real part of the admittance.
If used in two port configuration (pin 3 - input, pin 5 - output) C
0
is reduced by approx. 0.3 pF.
Temperature dependence of f
C
: f
C
(T
A
) = f
C
(T
0
) (1 + TC
f
(T
A
– T
0
)
2
)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
A
T
stg
V
DC
P
S
–45/+120
–45/+120
12
0
˚C
˚C
V
dBm
between any terminals
Please read
cautions and warnings and
important notes
at the end of this document.
4
October 09, 2006
SAW Components
SAW resonator
Data sheet
R 770
433.81 / 434.06 MHz
References
Type
Ordering code
Marking and package
Packaging
Date codes
Soldering profile
RoHS compatible
R 770
B39431R 770U310
C61157-A7-A56
F61074-V8169-Z000
L_1126
S_6001
defined as compatible with the following documents:
"DIRECTIVE 2002/95/EC OF THE EUROPEAN PARLIAMENT
AND OF THE COUNCIL of 27 January 2003 on the restriction
of the use of certain hazardous substances in electrical and
electronic equipment. 2005/618/EC from April 18th, 2005,
amending Directive 2002/95/EC of the European Parliament
and of the Council for the purposes of establishing the maxi-
mum concentration values for certain hazardous substances in
electrical and electronic equipment."
For further information please contact your local EPCOS sales office or visit our webpage at
www.epcos.com .
Published by EPCOS AG
Surface Acoustic Wave Components Division
P.O. Box 80 17 09, 81617 Munich, GERMANY
©
EPCOS AG 2006. 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.
Please read
cautions and warnings and
important notes
at the end of this document.
5
October 09, 2006
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