HC-48/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, 0.8 - 300 MHz
All dimensions in mm (max)
DIN 45110: K3A
IEC 122-3: DN
NFC-93-601: n0 3A
MIL-H-10056: HC-48/U
Welded metal enclosure
(inert atmosphere)
with pins
Temperature in the Temperature Range
HC-48/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
0.8...3.0 XS 06xx 01 ---- 03 ---- 06 ----- 05
1.OT 3.0...8.0 XS 06xx 01 02 03 04 06 ---- 05
8.0...30 XS 08xx 01 02 03 04 06 07 05
3.OT 15...90 XS 09xx 01 02 03 04 06 07 05
5.OT 40...150 XS 10xx 01 02 03 04 06 07 05
7.OT 100...210 XS 11xx 01 02 03 04 06 07 05
9.OT 150...300 XS 11xx 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 0.8...1.5 800 Shunt capacitance: C0 = 7pF max
1. OT 1.5...2.0 500
1. OT 2.0...3.0 200
1. OT 3.0...5.0 80
1. OT 5.0...8.0 40
1. OT 8.0...15 30
1. OT 15...30 20
3. OT 15...90 40
5. OT 40...150 60
7. OT 100...210 100
9. OT 150...300 180 Crystal units with different tolerances or additional data upon request.
Modifications:
HC-48/U-S; 0.8 - 1,5MHz: 6-point mounting for exposure to extreme accelerations (shock and vibration).
19.4
12.34
7.62
9.1
17.88
19.7
∅∅1,32
6.25
