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BRANCHY
RC0426D55A110
May 23, 2003
1
BRANCHY TECHNOLOGY CO., LTD.
TEL : ( 886 ) -3-4391499
No. 171, Tien-Tsin St., Pin-Chin City, Tao YuanHsien, Taiwan, R.O.C.
FAX : ( 886 ) -3-4395578
■ Maximum Ratings
Rating
Value
Units
CW RF Power Dissipation
0
dBm
DC voltage Between Terminals
10
VDC
Operating Temperature Range
-40 / +85
°C
Storage Temperature Range
-40 / +85
°C
Soldering Temperature
+250
°C
E
lectrostatic Sensitive Device ( ESD )
Ordering code
Marking
RC0426D55A110
RC0426A1, date code
Ambient temperature
Source impedance
Load impedance
Ta = 25 °C
Zs = 50 W
ZL = 50 W
Characteristic
Sym
Min.
Typ.
Max.
Units
Center Frequency
fc
426.475
426.550
426.625
MHz
Tolerance
Dfc
-----
-----
±75
KHz
Insertion Loss
IL
-----
1.5
2.2
dB
Quality Factor
Unloaded Q
Qu
-----
9250
-----
50W Loaded Q
QL
-----
2120
-----
RF Equivalent RLC Model
Motional Resistance
R1
-----
23
-----
W
Motional Capacitance
C1
-----
1.8
-----
fF
Motional Inductance
L1
-----
78.9
-----
mH
Parallel Capacitance
C0
-----
2.0
-----
pF
Temperature Stability
Turnover Temperature
To
10
25
40
°C
Temperature Coefficient FTC
-----
0.033
-----
ppm/°C²
Aging of fc
10
50
ppm/yr
1. Temperaturedependance of fc : fc ( Ta ) = fc ( To ) ( 1- FTC ( Ta - To)² )
426.550 MHz SAW Resonator
■ Features
l
One Port Resonator
l
Low Series Resistance
l
Quartz Stability
l
Small Sizes
4,8 : Case Ground
Pin Configuration
6 : Output
2 : Input
8
4
7 6 5
1 2 3