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RF360 Europe GmbH
A Qualcomm – TDK Joint Venture
SAW Components
SAW resonator
Short range devices
Series/type:
Ordering code:
Date:
Version:
R1950
B39871R1950A310
July 05, 2011
2.0
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SAW Components
SAW resonator
Short range devices
Series/type:
Ordering code:
Date:
Version:
R1950
B39871R1950A310
July 05, 2011
2.0
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-
R1950
868.35 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 DCC6G
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)
0,6
1
2
3
1,5
1,5
6
5
4
bottom view
1,8
1,0
3,0
side view
3,0
top view
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
July 05, 2011
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.
868.20
—
5000
—
C
1
L
1
R
1
C
0
T
0
—
—
—
—
—
25
typ.
868.35
1.2
7600
—
1.49
22.5
16
2.2
–0.032
—
max.
868.50
1.6
—
–50/+50
—
—
24
—
—
45
R1950
868.35 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 T
Storage temperature range T
stg
DC voltage
Source power
V
DC
P
S
–45/+125 ˚C
–45/+125 ˚C
12
0
V
dBm
Please read
cautions and warnings and
important notes
at the end of this document.
3
July 05, 2011
stm32/stm8
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