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| CX MINIATURE CRYSTALS 9.6MHz to 160MHz LOW-PROFILE MINIATURE AT-CUT SMD CRYSTAL EUROQUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk Web: www.euroquartz.co.uk CX-3-SM Page 1 of 2 General Description CX-3-SM AT-cut crystals are leadless devices designed for surfacemounting on printed circuit boards or hybrid circuits. The crystals are low profile with a very small land area. Designed for surface-mount applications using infrared, vapour phase, wave solder or epoxy mount techniques Ideal for use with microprocessors Designed for low power applications Compatible with hybrid or PCB mounting Low ageing Full military environmental testing available Custom designs available Specification D (TO P) A D D B C E Outline CX-3-SM Package Dimensions Dimension Typical (mm) Maximum (mm) A B C D E Dimension C 6.73 2.62 1.27 1.32 Glass Lid (mm max.) 7.11 2.90 see below 1.52 1.57 Ceramic Lid (mm max.) 9.6MHz to 160MHz A: 0.01% (100ppm) B: 0.1% C: 1.0% 20pF (unless other specified) Load Capacitance: see table below Motional Resistance (R): see table below Motional Capacitance (C): see table below Quality Factor (Q): see table below Shunt Capacitance (C): 500mW max. Drive Level: -10 to +70C from 10ppm Frequency Stability Temp**: -40 to +85C from 20ppm -55 to +125C from 30ppm 5ppm max. Ageing, first year: 3,000g peak, 0.3ms, 1/2 sine Shock, survival***: 20g rms 10-2,000Hz random Vibration, survival: -10~+70C (commercial) Operating Temperature: -40~+85C (industrial) -55~+125C (military) -55C~+125C Storage Temperature: 260C for 20 seconds Max. Process Temperature: Note: temperature stability characteristics follow thos of AT-cut thickness-shear mode. Frequency Range: Calibration Tolerance*: SM1 SM2 SM3 1.47 1.52 1.60 1.75 1.80 1.88 Specifications are typical at 25C unless otherwise indicated. * Closer frequency calibration available ** Other turning point available *** Higher shock version available CX-3-SM Motional Parameters, Q and C Equivalent Circuit L R 1 C C Motional Motional Capacitance C (fF) Quality Factor 000s Shunt Capacitance C (pF) 2 Frequency Resistance R ( 9) 10.0MHz 32MHz 155MHz 60 20 50 2.8 7.8 0.5 95 36 41 1.4 2.4 3.2 L Motional Inductance C Motional Capacitance C Shunt Capacitance R Motional Resistance CX MINIATURE CRYSTALS 9.6MHz to 160MHz LOW-PROFILE MINIATURE AT-CUT SMD CRYSTAL EUROQUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk Web: www.euroquartz.co.uk CX-3-SM Page 2 of 2 Circuit Design Conventional HCMOS Pierce Oscillator Circuit RB Amplifier Buffer Osc. Freq. (Fo) C5 R) C CX-2 C Solder Pad Layout 1.78 3.05 5.46 Terminations Packaging CX-3H-SM- Bulk Pack (Standard) - 16mm tape, 178mm or 330mm reels (Optional) per EIA 481 - Tray Pack (Optional) Designation Termination SM1 SM2 SM3 Gold Plated Nickel, Silver Plated Nickel, Solder Plated and Solder Dipped Order Code CX-3 O.T.=3rd O.T. Mode Blank = Fundamental Frequency Total Frequency Tolerance -SM1 32MHz SM1 SM2 SM3 (A Calibration Tolerance* @ 25C A, B, C / 25ppm / 50ppm / I Frequency Stability over Temperature Range ) "S" if special or custom design Blank if standard C = Ceramic Lid Blank = Glass Lid *For other calibration tolerances enter figure in ppm Temperature Range: C = Commercial I = Industrial M = Military S = Specify |
Price & Availability of CX-3SOTC-SM132A
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