ABLSOLUTE MAXIMUM RATINGS:
8
CERAMIC SURFACE-MOUNT, ONE-PORT
SAW RESONATORS
ASR315EA
Marking:
ASR
315EA
FEATURES:
One-port SAW resonator 315.0 MHz. Fundamental mode.
Small ceramic surface-mount.
SMD makes reflow soldering possible.
Gold plated terminals.
5.0 x 5.0 x 1.35mm
CHARACTERISTICS UNIT
min. typ. max.
STANDARD SPECIFICATIONS
STANDARD SPECIFICATIONS
DC voltage 30Vdc
Operating temperature -40C to +85C
Maximum power dissipation 10dBm
Reliability specifications, see SAW application notes.
Equivalent circuit:
Test circuit:
Pin No.
Function
2 Input/Output
6 Output/Input
4, 8 Case GND
1, 3, N/C
5, 7
Dimensions: Inches (mm)
-200
-150
-100
-50
0
-200
-150
-100
-50
0
-80 -60 -40 -20 0 +20 +40 +60 +80
fc=fo, Tc=To
T=Tc-To(
o
C)
Typical Frequency Response
Temperature Characteristics
CH1
1
1:Transmission /M Log Mag 5.0 dB/ Ref -1.50 dB
2: Off
Center315.000 MHz Span 0.008 MHz
0.053 Max
(1.35)
Center frequency
Fr MHz 314.925 315.000 315.075
Tolerance from 315
MHz
f
C
kHz
- 75 -
Insertion loss
IL dB - 1.5 2.2
Unloaded quality factor Q
U
- - 12,400 -
loaded quality factor 50
Q
L
- - 2,000
-
Aging absolute first year [A]
ppm
- - 10
Shunt capacitance
Co pF -
2.7
-
Motional resistance
R1
-
20 30
Motional inductance
L1
H
- 121.311 -
Motional capacitance C1 fF - 2.1240 -
Turnover temperature To
C
25 40
55
Temperature coefficient T
C
ppm/C
2
-
0.037
-
DC insulation resistance
M
1.0 - -
0.047
(1.20)
0.20.008
(5.00.2)
0.20.008
(5.00.2)
0.024
(0.60)
0.1.006
(2.540.15)
0.08
(2.08)
29 Journey Aliso Viejo, CA 92656 USA
(949) 448-7070 F
AX
: (949) 448-8484
E-
MAIL
:
abinfo
@
abracon.com
I
NTERNET
A
DDRESS
:
www.abracon.com
NOTE: All specifications and markings subject to change without notice
ABRACON
C O R P O R A T I O N
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
S8
CH1 MKR3 315.000 MHz
-1.1dB
COMMON APPLICATIONS:
Quartz frequency stabilization of fixed-frequency
transmitters at 315.0 MHz.
Wireless car alarm, Garage door opener. (RKE)
Mobile communications systems
PDF 
ZIP