HC-49/U
Quartz Crystal Units AT-Cut, 2.4 - 300 MHz
11.0
HC-49/U:
X = 13.4
H C - 4 9 / 1 1 mm: X = 11.5
H C - 4 9 / 9 mm: X = 9.8
4.9
4.5
10.0
DIN 45110: M4
IEC 122-3: DP
NFC-93-601: n0 5
MIL-H-10056: HC-49/U
Welded metal enclosure
(inert atmosphere)
with wire leads
3.6
H C - 4 9 / 9 mm starting with 4.5 MHz
X
13.7
∅ 0.48
All dimensions in mm (max)
Temperature Stability in the Temperature Range
HC-49/U
Overtone Frequency Type
[MHz]
-55°C...+105°C
Nom. Temp.
± 5°C 1)
-20°C...+70°C
± 50ppm
± 25ppm
± 20ppm
± 10ppm
± 7ppm
± 5ppm
± 2ppm
2.4...5.2
XS 27xx
01
02
03
04
06
-----
05
1.OT
5.2...10
XS 27xx
01
02
03
04
06
07
05
10...30
XS 28xx
01
02
03
04
06
07
05
3.OT
20...100
XS 28xx
11
12
13
14
16
17
15
5.OT
50...160
XS 29xx
01
02
03
04
06
07
05
7.OT
110...210
XS 30xx
01
02
03
04
06
07
05
9.OT
150...300
XS 31xx
01
02
03
04
06
07
05
Calibration tolerance: ± 10 ppm
1
) Nom. Temp. = Nominal temperature for oven application to be given with the order.
Motional Resistance R1
Overtone Frequency R1max
[MHz]
[Ω]
1. OT
2.4...3
250
1. OT
3...5.2
120
1. OT
5.2...6
80
1. OT
6...8
60
1. OT
8...10
40
1. OT
10...15
30
1. OT
15...35
25
3. OT
20...100
40
5. OT
50...160
60
7. OT
110...210
100
9. OT
150...300
200
Standard resonance for fundamental crystals: load resonance with CL = 30 ± 0.5pF
Overtone crystals:
series mode
Shunt capacitance: C0 = 7pF max
Crystal units with different tolerances or additional data upon request.
Modifications:
HC-49/U-3, HC-49/11mm-3, HC-49/9mm-3:3rd wire (ground)
HC-49/U-S, HC-49/11mm-S:
3-point mounting for exposure to extreme accelerations (shock and vibr.)
HC-49/U-3-S, HC-49/11mm-3-S:
3-point mounting for exposure to extreme accelerations (shock and vibr.)
SMD-Versions with metal clip.
166 Glover Avenue
Norwalk, CT 06856
Tel: 1-88-VECTRON-1
Fax: 1-888-FAX-VECTRON
www.vectron.com
