HC-50/U
166 Glover Avenue
Norwalk, CT 06856 Tel: 1-88-VECTRON-1
Fax: 1-888-FAX-VECTRON
www.vectron.com
Quartz Crystal Units AT-Cut, 2.4 - 300 MHz
All dimensions in mm (max)
HC-50/U:X = 13.4
HC-50/11mm: X = 11.5 DIN 45110: M3
IEC 122-3: DQ
NFC-93-601: n0 9
MIL-H-10056:HC-50/U
Welded metal enclosure
(inert atmosphere)
with pins
Temperature Stability in the Temperature Range
HC-50/U -55°C...+105°C -20°C...+70°C Nom. Temp.
±± 5°C 1)
Overtone Frequency
[MHz] Type ± 50ppm ± 25ppm ± 20ppm ± 10ppm ± 7ppm ± 5ppm ±2ppm
2.4...5.2 XS 22xx 01 02 03 04 06 ----- 05
1.OT 5.2...10 XS 22xx 11 12 13 14 16 17 15
10...35 XS 23xx 01 02 03 04 06 07 05
3.OT 15...90 XS 24xx 01 02 03 04 06 07 05
5.OT 40...150 XS 25xx 01 02 03 04 06 07 05
7.OT 100...210 XS 26xx 01 02 03 04 06 07 05
9.OT 150...300 XS 26xx 11 12 13 14 16 17 15
Calibration tolerance: ±± 10 ppm
1) Nom. Temp. = Nominal temperature for oven application to be given with the order.
Motional Resistance R1
Overtone Frequency
[MHz] R1max
[Ω]Standard resonance for fundamental crystals: load resonance with CL = 30 ± 0.5pF
Overtone crystals: series mode
1. OT 2.4...3 250 Shunt capacitance: C0 = 7pF max
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 Crystal units with different tolerances or additional data upon request.
Modifications:
HC-50/U-S, HC-50/11mm-3 MM-S: 3-point mounting for exposure to extreme accelerations (shock and vibration).
10.0
3.6
4.5
∅∅1.06
6.2
X
11.0
4.9
