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SAW Components
SAW resonator
Short range devices
Series/type:
Ordering code:
Date:
Version:
R972
B39391R 972H110
August 26, 2014
2.1
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SAW Components
SAW resonator
Short range devices
Series/type:
Ordering code:
Date:
Version:
R972
B39391R 972H110
August 26, 2014
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 resonator
Data sheet
Application
s
1-port resonator
s
Provides reliable, fundamental mode, quartz fre-
R972
390.00 MHz
quency stabilization i.e. in transmitters or local oscil-
lators
Features
s
s
s
s
s
s
s
s
s
s
Package size 3.0 x 3.0 x 1.0 mm
3
Package code DCC6E
RoHS compatible
Approximate weight 0.037 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Lead free soldering compatible with J - STD20C
Passivation layer Elpas
AEC-Q200 qualified component family
Electrostatic Sensitive Device
(ESD)
Pin configuration
s
2
s
5
s
1, 3, 4, 6
Input
Output, grounded in 1-port conf.
Ground (case)
R1
L1
C0
C1
2
5
Please read
cautions and warnings and
important notes
at the end of this document.
2
August 26, 2014
SAW Components
SAW resonator
Data sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
389.950
—
4500
—
C
1
L
1
R
1
C
0
T
0
—
—
—
—
—
10
typ.
390.00
1.3
6600
—
2.693
61.86
19
3.9
–0.032
—
max.
390.050
1.7
—
–50/+50
—
—
27
—
—
30
R972
390.00 MHz
Center frequency
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
α
min
Q
U
MHz
dB
ppm
fF
µH
Ω
pF
ppm/K
2
˚C
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 2 - 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
T
stg
V
DC
P
S
–45/+125
–45/+125
12
0
˚C
˚C
V
dBm
Please read
cautions and warnings and
important notes
at the end of this document.
3
August 26, 2014
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