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參數資料
| 型號： | ASR643.75E |
| 廠商： | ABRACON CORP |
| 元件分類： | SAW Resonator |
| 英文描述： | 1-PORT SAW RESONATOR, 643.75 MHz |
| 封裝： | ROHS COMPLIANT, SMD, 8 PIN |
| 文件頁數： | 1/1頁 |
| 文件大?。?/td> | 601K |
| 代理商： | ASR643.75E |
Dimensions: inch (mm)
PIN NO. CONNECTIONS
2
6
1,3,5,7
Input/Output
Output/Input
N/C
4 & 8
Case GND
Center Frequency Fo
Tolerance from Fo
Insertion Loss
Quality Factor
Unloaded
50 loaded
Temperature Stability
Turnover Temperature
Turnover Frequency
Freq. Temp. Coefficient
Frequency Aging
DC Insulation Resistance
RF Equivalent RLC Model
Motional Resistance R1
Motional Inductance L1
Motional Capacitance C1
Shunt Capacitance C0
Operating temp.
°C
Storage temp.
°C
Max. Rating
DC voltage
V
RF Power Dissipation
dBm
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
ABRACON IS
CERTIFIED
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
SMD ONE PORT 643.75 MHz SAW RESONATOR
|||| | ||||||||| |
ASR643.75E
5 x 5 x 1.35mm
3
5
.0
.±
02
80
0
.5(
.0
±0
)2
0.047
(1.20)
0.08
(2.08)
0.024
(0.60)
4
6
5
7
8
7
6
0.47
(1.20)
2
3
1
0.053
(1.35)
2
1
0.05
(1.27)
0.20±.008
(5.0±0.2)
4
0.1±.006
(2.54±0.15)
STANDARD SPECIFICATIONS:
OUTLINE DRAWING:
MARKING:
- 643.75 ASR ZYX
(Z for month from A to L;
Y for year, I.e. 4 for 2004,
X: Traceability code)
TEST CIRCUIT:
NOTES:
1) Frequency aging is specified at 65°C or less.
2) The center frequency Fc, is the frequency of minimum IL with the resonator in the
specified test fixture in a 50 test system with VSWR <=1.2.
3) Unless otherwise specified, case temperature is 25°C ± 2°C.
4) The design model values are for reference only. The capacitance C0 is the
measured static capacitance between either pin 1 and ground or pin 2 to ground.
To 50 Load
6
To 50 Load
2
1
7
5
3
4
8
MHz
KHz
dB
-
°C
KHz
ppm/°C2
ppm/year
M
H
fF
pF
643.675
-
25
1.0
1.65
643.750
±75
1.5
9,400
1,500
40
Fc
0.037
±10
19
44.1531
1.3858
1.95
643.825
2.0
55
26
2.25
-40°C to +85°C
±10
0
Electrostatic Sensitive Device. Handle with precaution.
.
X
A
M
.
P
Y
T
.
N
I
M
T
I
N
U
S
C
I
T
S
I
R
E
T
C
A
R
A
H
C
ATTENTION: Abracon Corporation’s products are COTS – Commercial-Off-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applications. Abracon’s products are not
specifically designed for Military, Aviation, Aerospace, Life-dependant Medical applications or any application requiring high reliability where component failure could result in loss of life and/or property. For
applications requiring high reliability and/or presenting an extreme operating environment, written consent and authorization from Abracon Corporation is required. Please contact Abracon Corporation for
more information.
ISO 9001:2008
Pb RoHS
Compliant
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