HC-52/U
Quartz Crystal Units AT-Cut, 5 - 300 MHz
8.0
3.85
B
7.0
A
HC-52/U:
H C - 5 2 / 8 mm:
H C - 5 2 / 6 mm:
H C - 5 2 / 8 mm-SL:
H C - 5 2 / 6 mm-SL:
X
8.8
8.8
6.0
8.0
6.0
A
2.3
2.3
2.3
1.65
1.65
B
3.3
3.3
3.3
2.3
2.3
X
HC - 5 2 / 6 mm: starting with 15MHz
DIN 45110:
N4
IEC 122-3:
EB
NFC 93-601: n
0
17
MIL-H-10056: HC-52/U
Welded metal enclosure
(inert atmosphere)
with wire leads
13.7
∅
0.47
All dimensions in mm (max)
Temperature Stability in the Temperature Range
HC-52/U
Overtone
1.OT
3.OT
5.OT
7.OT
9.OT
Frequency
[MHz]
5...10
10...35
25...100
60...160
110...210
150...300
Type
XS 71xx
XS 71xx
XS 71xx
XS 71xx
XS 71xx
XS 71xx
-55°C...+105°C
±
50ppm
01
01
11
21
31
41
±
25ppm
02
02
12
22
32
42
±
20ppm
03
03
13
23
33
43
-20°C...+70°C
±
10ppm
04
04
14
24
34
44
±
7ppm
06
06
16
26
36
46
±
5ppm
-----
07
17
27
37
47
Nom. Temp.
1
±
5°C )
±
2ppm
05
05
15
25
35
45
Calibration tolerance:
±
10 ppm
1
) Nom. Temp. = Nominal temperature for oven application to be given with the order.
Standard resonance for fundamental crystals: load resonance with C
L
= 30
±
0.5pF
Overtone crystals: series mode
Shunt capacitance: 5...10MHz:
C
0
= 2.2pF
±
0.8pF
10...300MHz:
C
0
= 3.0pF
±
1.0pF
Motional Resistance R1
Overtone
1. OT
1. OT
1. OT
1. OT
3. OT
3. OT
5. OT
5. OT
7. OT
9. OT
Frequency R1max
[MHz]
[Ω]
5...10
80
10...15
50
15...20
40
20...35
30
25...50
100
50...100
90
60...80
150
80...160
100
110...210
150
150...300
200
Crystal units with different tolerances or additional data upon request.
Modifications:
HC-52-3, HC-52/8mm-3, HC-52/6mm-3: 3rd wire (ground)
HC-52-S, HC-52/8mm-S:
3-point mounting for exposure to extreme accelerations (shock and vibr.)
HC-52-3-S, HC-52/8mm-3-S:
3-point mounting for exposure to extreme accelerations (shock and vibr.),
3rd wire (ground)
SMD-Versions with metal clip.
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