Ascend Frequency Devices - Oscillators, Crystals, TCXO, VCXO, OCXO
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Crystals
Oscillators
VCXO
TCXO
OCXO
crystals
Ascend Frequency Devices offers a wide variety of crystal products, including all the industry standard packages, thru-hole or surface mount. This enables our products to be used in most all applications. Our precision engineering capabilities enable us to offer specifications that exceed typical requirements.

Value Added Options (crystal).pdf

Application Notes

Preview Series Package Frequency View PDF RoHS
Compl
5x7 CSMC1 5mm x 7mm SMD
1.3mm Max. Height
Ceramic SMD 4 and 2 Pad 		7.680MHz
to
70.000MHz		 RoHS Compliance
6x3.5 4 Pad CSMC2 5mm x 3.2mm
1.0mm Max. Height
Ceramic SMD 4 Pad 		10.000MHz
to
53.125MHz
6x3.5 2 Pad CSMC3(4)

6mm x 3.5mm
1.1mm Max. Height
Ceramic SMD 2 Pad & 4 Pad

8.000MHz
to
49.000MHz
6x3.5 4 Pad CSMC6 4mm x 2.5mm
.85mm Max. Height
Ceramic SMD 4 Pad		 12.000MHz
to
40.000MHz
6x3.5 4 Pad CSMC5 3.2mm x 2.5mm
.60mm Max. Height
Ceramic SMD 4 Pad
12.000MHz
to
48.000MHz
6x3.5 4 Pad CSMC7 2.5mm x 2.0mm
.60mm Max. Height
Ceramic SMD 4 Pad
12.000MHz
to
40.000MHz
6x3.5 4 Pad CSMC8 2.0mm x 1.6mm
.50mm Max. Height
Ceramic SMD 4 Pad
20.000MHz
to
50.000MHz
HC49_US_SMD CSM2 HC49/US
4.5mm Max. Height
SMD

3.200MHz
to
80.000MHz

HC49/US SMD CSM3 HC49/US
3.5mm Max. Height
SMD 		3.200MHz
to
80.000MHz
Epoxy Base CSME3 Epoxy Base (pins 1 & 4 connect)
12.5mm x 4.85mm x 4.00mm
SMD 		3.200MHz
to
91.730MHz
Epoxy Base CSME1 Epoxy Base (pins 1 & 4 connect)
12.5mm x 5.18mm x 5.00mm
SMD		 3.200MHz
to
91.730MHz
Epoxy Base CSME4 Epoxy Base (all pins connect)
12.5mm x 4.85mm x 4.00mm
SMD		 3.200MHz
to
91.730MHz
Epoxy Base CSME2 Epoxy Base (all pins connect)
12.5mm x 5.18mm x 5.00mm
SMD		 3.200MHz
to
91.730MHz
Plastic watch CSMP1 8mm x 3.8mm
2.5mm Max. Height
Plastic SMD J Lead 		32.768KHz
CSMT1

3.2mm x 1.5mm
0.75mm Max. Height
SMD

32.768KHz
CSMT2

7mm x 1.5mm
1.4mm Max. Height
Plastic SMD

32.768KHz
CU1

UM1
8.10mm Max. Height
Thru-Hole

 10.000MHz
to
200.000MHz
HC49/U C1

HC49/U
13.46mm Max. Height
Thru-Hole

 1.8432MHz
to
200.000MHz
HC49/US C2 HC49/US
3.5mm Max. Height
Thru-Hole 		3.200MHz
to
91.730MHz
HC49/US Short C3 HC49/US Short
2.5mm Max. Height
Thru-Hole 		3.200MHz
to
91.730MHz
2x6 tuning fork C26 Tuning Fork
2mm x 6mm
Thru-Hole, w/SMD Option 		32.768KHz
3x8 tuning fork C38

Tuning Fork
3mm x 8mm
Thru-Hole

32.768KHz


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