HC-51/U
Quartz Crystal Units AT-Cut, 0.8 - 300 MHz
19.4
12.34
9.1
17.88
7.62
DIN 45110: K6B
IEC 122-3: DZ
NFC-93-601: n
0
2A
MIL-H-10056: HC-51/U
Welded metal enclosure
(inert atmosphere)
with wire leads
19.7
13.7
∅
0.83
All dimensions in mm (max)
Temperature Stability in the Temperature Range
HC-51/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
50...160
110...210
150...300
XS 17xx
XS 18xx
XS 19xx
XS 20xx
XS 21xx
XS 21xxx
XS 21xxx
-55°C...+105°C
±
50ppm
01
01
01
01
01
01A
01B
±
25ppm
02
02
02
02
02
02A
02B
±
20ppm
03
03
03
03
03
03A
03B
-20°C..+70°C
±
10ppm
04
04
04
04
04
04A
04
±
7ppm
06
06
06
06
06
06A
06B
±
5ppm
-----
07
07
07
07
07A
07B
Nom.Temp.
±
5°C
1
)
±2ppm
05
05
05
05
05
05A
05B
Calibration tolerance:
±
10 ppm
1
)Nom. Temp. = Nominal temperature for oven application to be given with the order.
R1max
[Ω]
800
500
200
80
40
30
20
40
60
100
180
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 Frequenc
y [MHz]
1. OT
0.8...1.5
1. OT
1.5...2.0
1. OT
2.0...3.0
1. OT
3.0...5.0
1. OT
5.0...8.0
1. OT
8.0...15
1. OT
15...30
3. OT
15...90
5. OT
40...150
7. OT
100...210
9. OT
150...300
Crystal units with different tolerances or additional data upon request.
Modifications:
HC-51/U-S; 0.8 - 1, 5MHz: 6-point mounting for exposure to extreme accelerations (shock and vibration).
166 Glover Avenue
Norwalk, CT 06856
Tel: 1-88-VECTRON-1
Fax: 1-888-FAX-VECTRON
www.vectron.com