®
RF360 Europe GmbH
A Qualcomm – TDK Joint Venture
SAW Components
SAW resonator
Short range devices
Series/type:
Ordering code:
Date:
Version:
R1921
B39321R1921A310
May 19, 2011
2.0
RF360 products mentioned within this document are offered by RF360 Europe GmbH and other subsidiaries of
RF360 Holdings Singapore Pte. Ltd. (collectively, the “RF360 Subsidiaries”). RF360 Holdings Singapore Pte. Ltd.
is a joint venture of Qualcomm Global Trading Pte. Ltd. and EPCOS AG. References in this documentation to
EPCOS AG should properly reference, and shall be read to reference, the RF360 Subsidiaries.
RF360 Europe GmbH, Anzinger Str. 13, München, Germany
© 2016 RF360 Europe GmbH and/or its affiliated companies. All rights reserved.
These materials, including the information contained herein, may be used only for informational purposes by
the customer. The RF360 Subsidiaries assume no responsibility for errors or omissions in these materials or
the information contained herein. The RF360 Subsidiaries reserve the right to make changes to the product(s)
or information contained herein without notice. The materials and information are provided on an AS IS basis,
and the RF360 Subsidiaries assume no liability and make no warranty or representation, either expressed or
implied, with respect to the materials, or any output or results based on the use, application, or evaluation of
such materials, including, without limitation, with respect to the non-infringement of trademarks, patents,
copyrights or any other intellectual property rights or other rights of third parties.
No use of this documentation or any information contained herein grants any license, whether express, implied,
by estoppel or otherwise, to any intellectual property rights, including, without limitation, to any patents owned
by QUALCOMM Incorporated or any of its subsidiaries.
Not to be used, copied, reproduced, or modified in whole or in part, nor its contents revealed in any manner to
others without the express written permission of RF360 Europe GmbH.
Qualcomm and Qualcomm RF360 are trademarks of Qualcomm Incorporated, registered in the United States
and other countries. RF360 is a trademark of Qualcomm Incorporated. Other product and brand names may be
trademarks or registered trademarks of their respective owners.
This technical data may be subject to U.S. and international export, re-export, or transfer (“export”) laws.
Diversion contrary to U.S. and international law is strictly prohibited.
SAW Components
SAW resonator
Short range devices
Series/type:
Ordering code:
Date:
Version:
R1921
B39321R1921A310
May 19, 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-
R1921
315.00 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 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
Electrostactic 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
May 19, 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.
314.975
—
7000
—
C
1
L
1
R
1
C
0
T
0
—
—
—
—
—
10
typ.
315.000
1.5
9800
—
2.455
104.0
21
3.6
–0.032
—
max.
315.025
2.0
—
–50/+50
—
—
30
—
—
30
R1921
315.00 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 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
May 19, 2011
开关电源学习小组
