CX MINIATURE CRYSTALS CX-5-SM EUROQUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: [email protected] Web: www.euroquartz.co.uk Page 8MHz to 160MHz LOW-PROFILE SMD CRYSTAL 1 of 2 ! General Description The CX-5-SM series surface-mount quartz crystals are leadless devices designed for surface-mounting on printed circuit boards or hybrid substrates. The packages are hermetically sealed and designed specifically for process temperatures up to 260°C. B Specification D C 4 3 1 2 8MHz to 70MHz Fundamental 48MHz to 160MHz 3rd O/T see table below Motional Resistance (R1): see table below Motional Capacitance (C1): see table below Quality Factor (Q): see table below Shunt Capacitance (C0): A ±0.005% Calibration Tolerance*: B ±0.1% C ±1.0% Customer specified Load Capacitance: 500mW max. Drive Level: -10° to +70°C from ±5ppm Temperature Stability**: -40° to +85°C from ±30ppm -55° to +125°C from ±30ppm ±1ppm typ., ±5ppm max. Ageing, first year: 3000g 1ms, ½ sine Shock, survival***: 20g rms 10-2,000Hz random Vibration, survival: -10°~+70°C (commercial) Operating Temperature: -40°~+85°C (industrial) -55°~+125°C (military) -55°C~+125°C Storage Temperature: Specifications are typical at 25°C unless otherwise indicated. * Tighter tolerances available ** Does not include calibration tolerance *** Higher shock available Frequency Range: A F Outline Pin Connections 1. Crystal 2. Ground (case) 3. Crystal 4. Ground (case) E CX-5-SM Package Dimensions Dimension (mm) Dimension Value A 7.67 max. B 5.18 max. C 1.30 max. D 2.54 typ. E 1.02 typ. F 1.40 typ. ! ! ! Surface-mount - infrared, vapour phase, wave solder or epoxy mount techniques Low profile, hermetically sealed package Standard surface-mount pad layout Full military environmental testing available CX-5-SM Motional Parameters, Q and C0 Equivalent Circuit Frequency Motional Motional Quality Shunt Resistance Capacitance Factor Capacitance C1 (fF) 000s C0 (pF) R1 ( 1 L1 C1 R1 C0 R 1 Motional Resistance L 1 Motional Inductance C 1 Motional Capacitance C0 Shunt Capacitance 2 12MHz W) 58 2.2 108.6 1.3 16MHz 35 4.3 65 1.8 155MHz 50 0.5 41 3.2 CX MINIATURE CRYSTALS CX-5-SM EUROQUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: [email protected] Web: www.euroquartz.co.uk Page 8MHz to 160MHz LOW-PROFILE SMD CRYSTAL 2 of 2 Process Temperatures Circuit Design 1.) Vapour Phase 2.) Wave Solder 3.) Infrared 4.) Conductive Epoxy Conventional HCMOS Pierce Oscillator Circuit Rf Amplifier C1 Buffer Packaging Osc. Freq. (Fo) RA CS CX-5-SM - Tray Pack (Standard) - Bulk Pack (Optional) - 16mm tape, Single Pitch, 178mm or 330mm reels (Optional) per EIA 481 C2 CX-2 253°C or 215°C for 10 sec. to 5 min. 260°C for 10 sec. 240°C for 10 sec. 165°C for 30 min. Suggested Solder Pad Layout 6.1 1.12 1.42 Terminations Designation 2.54 4.19 Termination SM1 Gold Plated SM3 Nickel, Solder Plated and Solder Dipped Order Code Frequency CX-5 -SM1 10.0MHz ( A / I ) S if special SM1 Calibration Temperature or custom design SM3 Tolerance* Range: Blank if standard *For other calibration tolerances enter figure in ppm @ 25°C C = Commercial A, B, C I = Industrial M = Military S = Specify