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Quartz Crystal Units Standard Quartz Crystal Oscillators
Quartz Crystal Units SMD Quartz Crystal Oscillators SMD
Low Frequency Quartz Crystal Units Monolithic Crystal Filters (MCF)
Ceramic Resonators Accessories
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SMD-Quartz  Stock List
CM10 / CM20 / CM309 / CM309S    info
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Ordering information  
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Info en francais


Information
CM309 und CM309S are quartz units in a plastic housing.  Previously, these quartz units were designated as SCM309 and SCM309S.  These units are with regard to the arrangement of their soldering pads compatible to one another.  The SCM309S has somewhat smaller case.  In the future we will only carry the CM309S.

Delivery Times/Stock on Hand

The units listed here can be delivered from our stock on hand.  Otherwise, delivery times are about 8 weeks. Other specifications can be made to order.

Compatibility
These units are compatible to the following quartz units: MA506, MA406.

Extended Temperature Range

Quartz units with an extended temperature range (from -40°C to 85°C) are also available.

Taping
All quartz units are delivered in plastic pocket tape.

Data Sheets
Data Sheets are available upon demand.  Please contact us.

Price

Prices are quantity-dependent.  Please  Contact  us.

Contact

If you have any questions, please Contact  us.

Reflow Soldering Conditions
Diagram showing the temperature limits for the quartz during soldering.

Specifications (Example)   Q 4.000000 MHz CM309S fun/30/30/10/60/30                                            

Q Quartz
4.000000 MHz Frequency
CM309S Case, plastic
fun   /   3OT Mode Fundamental  /    3. Overtone
30 30ppm  Frequency  Stability at 25° C
30/10/60 30ppm  Temperature Stability from  -10°C to 60°C
30 CL=Load Capacitance in pF, here 30pF
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Comtec Crystals GmbH
Sultenstrasse 12-14 · 85586 Poing · Germany
Tel: +49-8121-77 81 60 · Fax:+49-8121-77 81 77
E-Mail: info@comtec-crystals.com


Comtec Crystals SARL
23, rue du Faucon · 67500 Haguenau · France
Tel: +33 3.88.73.21.62 · Fax: +33 3.88.73.01.18
E-Mail: sales@comtec-crystals.com

Web: http://www.comtec-crystals.com