HC-27/U
Quartz Crystal Units AT-Cut, 1 - 300 MHz
18.9
12.35
8.6
DIN 45110: Q1A
IEC 122-3: DA
NFC-93-601: n
0
8
MIL-H-10056: HC-27/U
Vacuum sealed glass enclosure
Crystal sockets F01, F02, F08
7.7
18.0
Quartz crystal units with
aging <
±
1ppm / year
19.8
6.15
∅1.32
All dimensions in mm (max)
Temperature Stability in the Temperature Range
HC-27/U
Overtone
Frequency
Type
[MHz]
0.8...3.0
1.OT
3.OT
5.OT
7.OT
9.OT
3.0...8.0
8.0...30
15...90
40...150
100...210
150...300
XS 35xx
XS 35xx
XS 36xx
XS 37xx
XS 38xx
XS 39xx
XS 39xx
-55°C...+105°C
±
50ppm
01
11
01
01
01
01
11
±
25ppm
----
12
02
02
02
02
12
±
20ppm
03
13
03
03
03
03
13
-20°C...+70°C
±
10ppm
----
14
04
04
04
04
14
±
7ppm
----
16
06
06
06
06
16
±
5ppm
-----
----
07
07
07
07
17
Nom. Temp.
1
±
5°C )
±
2ppm
05
15
05
05
05
05
15
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: C
0
= 7pF max
Motional Resistance R1
Overtone
1. OT
1. OT
1. OT
1. OT
1. OT
1. OT
1. OT
3. OT
5. OT
7. OT
9. OT
Frequency R1max
[MHz]
[Ω]
1.0...1.5
500
1.5...2.0
220
2.0...3.0
110
3.0...5.0
60
5.0...8.0
30
8.0...15
20
15...30
10
15...90
30
40...150
50
110...210
100
150...300
180
Crystal units with different tolerances or additional data upon request.
166 Glover Avenue
Norwalk, CT 06856
Tel: 1-88-VECTRON-1
Fax: 1-888-FAX-VECTRON
www.vectron.com