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| CX MINIATURE CRYSTALS 9.6MHz to 160MHz MINIATURE AT-CUT QUARTZ CRYSTAL EUROQUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk Web: www.euroquartz.co.uk CX-2 Page 1 of 2 General Description The CX-2 AT-cut quartz crystal is a high quality, miniature resonator, hermetically sealed in a rugged, miniature ceramic package, a quarter the size of an eight pin dual-in-line. The CX-2 crystal is manufactured utilizing a photo-lithographic process, ensuring consistency and repeatability of electrical characteristics. Low-profile, hermetically sealed package Available with glass or ceramic lid High shock and vibration resistance Low ageing Custom designs available Full military environmental testing available Specification -02 End Lead 2.39 1 2 3 5.21 A 1.27 5.08 2.54 -03 Side Lead 6.60 2.39 1 6.60 5.33 2 -04 Side Lead 6.60 3 3 1 2 Outline and Dimensions Notes: 1. Terminal 1 is electrically connected to terminal 3. 2. Lead Dimensions: width 0.33mm typical, thickness 0.18mm. 3. A = Glass Lid - 2.03mm max. Ceramic Lid - 2.41mm max. Equivalent Circuit L R 1 C C 2 9.6MHz to 70MHz Fund. 70MHz to 160MHz 3rd O/T see table. Motional Resistance (R): see table Motional Capacitance (C): see table Quality Factor (Q): see table Shunt Capacitance (C): A 0.01% (100ppm) Calibration Tolerance*: B 0.1% C 1.0% 20pF (or other as specified) Load Capacitance: 500mW max. Drive Level: -10 to +70C from 10ppm Temperature Stability**: -40 to +85C from 20ppm -55 to +125C from 30ppm 5ppm max. Ageing, first year: 3,000g 0.2ms, 1/2 sine Shock, survival***: 20g rms 10 - 2,000Hz Vibration, survival: -10~+70C (commercial) Operating Temperature: -40~+85C (industrial) -55~+125C (military) -55C~+125C Storage Temperature: Lead to Package temp. not to Process Temperature: exceed 175C Glass lid to package seal rim temp. not to exceed 210C Specifications are typical at 25C unless otherwise indicated. Note: temperature stability characteristics follow that of AT-cut thickness-shear mode. Frequency Range: L Motional Inductance C Motional Capacitance C Shunt Capacitance R Motional Resistance * Closer calibration available, from 5ppm ** Does not include calibration tolerance *** Higher shock version available CX-2 Motional Parameters, Q and C Motional Frequency Resistance R ( Motional Capacitance C (fF) Quality Factor 000s Shunt Capacitance C (pF) 9) 10.0MHz 32MHz 155MHz 60 20 50 2.8 7.8 0.5 95 36 41 1.4 2.4 3.2 CX MINIATURE CRYSTALS 9.6MHz to 160MHz MINIATURE AT-CUT QUARTZ CRYSTAL EUROQUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk Web: www.euroquartz.co.uk CX-2 Page 2 of 2 Package Handling The CX crystal is hermetically sealed in a ceramic package. Normal handling and soldering precautions for small, low thermal mass parts are adequate when installing or testing CX crystals. The crystals may be wave soldered, taking proper precautions to avoid desoldering the leads. A slow machine rate or too high a pre-heat temperature or solder bath temperature can damage the crystals. Lead to package solder interface temperature should not exceed 175C, and glass lid to package seal rim temperature should not exceed 210C. Should the seal rim temperature exceed these limits the package may lose its hermeticity. Loss of hermeticity results in a decrease of frequency and increase in motional resistance. Typical Application Conventional HCMOS Pierce Oscillator Circuit RB Amplifier Buffer Osc. Freq. (Fo) C5 R) C CX-2 C Packaging CX-2-Leaded - Bulk Pack (Standard) Tray Pack (Optional) Order Code Total O.T.=3rd O.T. Mode Frequency Frequency Tolerance CX-2 Blank = Fundamental -03 -02 -03 -04 32MHz (A Calibration Tolerance* @ 25C A, B, C / 25ppm / 50ppm / I Frequency Stability over Temperature Range Range: ) S if special or custom design Blank if standard C = Ceramic Lid Blank = Glass Lid Side leads Temperature C = Commercial I = Industrial M = Military S = Specify *For other calibration tolerances enter figure in ppm |
Price & Availability of CX-2SOT-02A
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