B39301-R718-U310 [TDK]
1-PORT SAW RESONATOR, 303.825MHz, CERAMIC, QCC-8;
| 型号： | B39301-R718-U310 |
| 厂家： | 
TDK ELECTRONICS |
| 描述： | 1-PORT SAW RESONATOR, 303.825MHz, CERAMIC, QCC-8 晶体 谐振器 |
| 文件： | 总4页 (文件大小：45K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SAW Components
Data Sheet R 718
SAW Components
Resonator
R 718
303,825 MHz
Data Sheet
Ceramic package QCC8C
Features
■ 1-port resonator
■ Provides reliable, fundamental mode, quartz fre-
quency stabilization i.e. in transmitters or local
oscillators
Terminals
■ Ni, gold plated
Dimensions in mm, approx. weight 0,1 g
Pin configuration
2
Input
6
Ground
4,8
Ground (case)
Type
Ordering code
Marking and Package
Packing
according to
according to
F61074-V8070-Z000
R 718
B39301-R 718-U310
C61157-A7-A56
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range TA
Storage temperature range Tstg
–45/+85
–45/+85
12
˚C
˚C
V
DC voltage
VDC
Ps
between any terminals
Source power
0
dBm
2
Feb 10, 2000
SAW Components
Resonator
R 718
303,825 MHz
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating Load impedance:
TA = 25 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
typ.
max.
Center frequency 1)
fc
303,740 303,825 303,910 MHz
Minimum insertion attenuation
Unloaded quality factor
Ageing of fc
αmin
—
1,7
2,2
—
dB
QU
9400
13500
—
—
± 50
ppm
Equivalent circuit elements
Motional capacitance
Motional inductance
Motional resistance
C1
L1
—
—
—
—
1,84
149,13
21
—
—
30
—
fF
µH
Ω
R1
C0
Parallel capacitance
3,1
pF
Temperature coefficient of frequency 2)
Turnover temperature
TCf
T0
—
–0,032
—
—
ppm/K2
25
55
˚C
1) Center frequency is defined as maximum of the real part of the admittance
2)Temperature dependence of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
3
Feb 10, 2000
SAW Components
Resonator
R 718
303,825 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, OFW E UE
P.O. Box 80 17 09, D-81617 München
EPCOS AG 1999. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
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.
4
Feb 10, 2000
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