SaRonix
Quartz Crystal
Technical Data
Frequency Range:
Frequency Calibration
Tolerance @ 25°C:
Load Capacitance:
Temperature Stability:
Drive Level:
Quality Factor (Q):
Motional Capacitance (C
1
):
ACTUAL SIZE
High Frequency Fundamental AT Cut
HFX4 Series
30 to 250 MHz Fundamental
±25, ±50, ±100 ppm. Others available, contact SaRonix
4 pF to Series
±10, ±25, ±50, ±100 ppm over -20°C to +70°C typical.
Others available, contact SaRonix
25µW correlation, 500µW maximum
see Typical Crystal Parameters, Chart 1
see Typical Crystal Parameters, Chart 2
see Typical Crystal Parameters, Chart 3
see Typical Crystal Parameters,Chart 4
+85°C max
Shunt Capacitance (C
0
):
Effective Series Resistance:
Storage Temperature:
Mechanical:
Shock:
Solderability:
Terminal Strength:
Vibration:
Solvent Resistance:
Resistance to Soldering Heat:
Environmental:
Gross Leak Test:
Fine Leak Test:
Thermal Shock:
Moisture Resistance:
Part Numbering Guide
Description
Crystals in the HFX4 Series are rugged,
very high frequency miniature AT-cut
resonators housed in cold-welded tubu-
lar packages. Patented Tab-Mesa Tech-
nology (TmT), proprietary to SaRonix,
is used to achieve fundamental resona-
tors to 250 MHz.
Applications & Features
Telecommunications
Wireless RF Applications
Video, graphics
VCXO's
Low jitter, high frequency oscillators
Ultra low power oscillators and
transmitters
• Micro-miniature modules
• Small package, cold weld seal
• AT cut
•
•
•
•
•
•
MIL-STD-883,
MIL-STD-883,
MIL-STD-202,
MIL-STD-883,
MIL-STD-202,
MIL-STD-202,
Method 2002, Condition B
Method 2003
Method 211, Conditions A and C
Method 2007, Condition A
Method 215
Method 210, Condition B
MIL-STD-883, Method
MIL-STD-883, Method
<5 x 10
-8
ATM cc/sec
MIL-STD-883, Method
MIL-STD-883, Method
1014, Condition C
1014, Condition A2
1011, Condition A
1004
HFX4 x x – 120.0000 – xx
Type
Frequency Calibration
K = ±25 ppm
L = ±50 ppm
M = ±100 ppm
Load Capacitance (pF)
(Blank = series resonant)
Frequency (MHz)
Temperature Stability
AA = ±10 ppm -20°C to +70°C
A = ±25 ppm -20°C to +70°C
B = ±50 ppm -20°C to +70°C
C = ±100 ppm -20°C to +70°C
DS-128
REV D
SaRonix
141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894
SaRonix
Quartz Crystal
Technical Data
Manufacturing
HFX4 units are photolithographically
produced on large wafers in a highly
automated facility. Stringent process con-
trol on custom equipment results in reso-
nator thicknesses down to 0.00033"
(0.0084 mm). A proprietary combination
of crystal and holder designs results in a
finished crystal unit that is both rugged
and extremely reliable.
Crystals are 100% leak checked and en-
vironmentally stress tested to assure reli-
able operation.
Ordering and Samples
The use of array processing enables large
quantities of crystals to be produced eco-
nomically. Smaller quantities ordered to
unique frequencies may involve a setup
charge. To minimize cost, it is suggested
that evaluation samples be selected from
the large number of frequencies that have
already been produced. Please contact
SaRonix for assistance.
Typical Crystal Parameters:
High Frequency Fundamental AT Cut
HFX4 Series
Chart 1: Typical Q-Factor Values
50
45
40
35
30
25
20
15
10
5
0
0
20
40
60
80 100 120 140 160 180
10
9
8
7
6
5
4
3
2
1
0
0
Chart 2: Typical C1 Values
Q in thousands
fF
20
40
60
80 100 120 140 160 180
Frequency (MHz)
Frequency (MHz)
Chart 3: Typical C0 Values
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
20
40
60
80 100 120 140 160 180
100
90
80
70
Chart 4: Typical ESR Values
ohms
pF
60
50
40
30
20
10
0
0
20
40
60
80 100 120 140 160 180
Package Details
L
C
B
REF
A
B
C
L
D
0.7±0.1
.028±.004
0.2±0.05
.008±.002
2.1
max
.083
5.2
max
.205
5.9
min
.232
mm
)
inches
D
Frequency (MHz)
Frequency (MHz)
A
Common Frequencies (MHz)
32.7680
34.3680
38.8800
39.3216
40.0000
50.0000
51.8400
55.2960
65.5360
66.6667
66.6670
74.0740
75.0000
76.0000
77.7600
80.0000
90.0000
98.3040
100.0000
106.2500
106.2600
125.0000
133.3300
155.5200
155.5355
160.0000
200.0000
Scale: None (Dimensions in
All specifications are subject to change without notice.
DS-128
REV D
S R nx
a o i
141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894
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