CX-4VSC-SM232.768A

CX MINIATURE CRYSTALS 30kHz to 200kHz ULTRA-MINIATURE MINIATURE SMD CRYSTAL EURO QUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk Web: www.euroquartz.co.uk CX-4V-SM CX-4V-SM Page 1 of 2  General Description The ultra-miniature CX-4V-SM quartz crystals are hermetically sealed in a very small surface-mount package measuring 5.0mm x 1.83mm. The high quality tuning-fork resonator is intended for use in Pierce oscillators. (Single inverter.)      Surface-mount - infrared, vapour phase, wave solder or epoxy mount techniques Low profile, hermetically sealed package Available with glass or ceramic lid High shock and vibration resistance Custom designs available Full military environmental testing available Specification D (TO P) A F D B C E Outline CX-4V-SM Package Dimensions Dimension Typical (mm) Maximum (mm) Frequency Range: Calibration Tolerance: Motional Resistance (R): Motional Capacitance (C): Quality Factor (Q): Shunt Capacitance (C): Load Capacitance*: Turning Point**: Calibration Tolerance***: Drive Level: Temperature Coefficient (k): Note: Frequency (f) deviation from temperature (t0) = Ageing, first year: Shock, survival: Vibration, survival: Operating Temperature: Storage Temperature: Process Temperature: A B C D E F Dimension “C” 5.00 1.83 0.97 0.51 0.64 Glass Lid (mm max.) 5.33 2.16 see below 1.22 0.76 0.89 Ceramic Lid (mm max.) 30kHz to 200kHz see table below see table below see table below see table below see table below see table below see table below see table below 0.5mW max. -0.035ppm/°C frequency (f0) @ turning point f-fo k(T-To) = fo ±5ppm max. 5000g 0.3ms, ½ sine 20g rms 10-2,000Hz random -10°~+70°C (commercial) -40°~+85°C (industrial) -55°~+125°C (military) -55°C~+125°C 260°C for 20 seconds Specifications are typical at 25°C unless otherwise indicated. * ** *** Other load capacitance values available Other turning point temperature available Tighter tolerances available SM1 SM2 SM3 1.14 1.17 1.22 1.27 1.30 1.35 CX-4V-SM Motional Params., Q, C0, CL and Turning Point Frequency Motional Resistance R1 (9) 32.768kHz 100kHz 50 2.3 40 1.1 9 25 48 1.07 85 0.7 8 10 200kHz 2.7 2.1 140 1.1 5 9 Equivalent Circuit L R Motional Capacitance C1 (fF) Quality Factor (Q) ‘000s 1 C C Shunt Capacitance C0 (pF) 2 Load Capacitance CL (pF) Turning Point (°C) CX-4V-SM Calibration Tolerance @ 32.768kHz L  Motional Inductance C  Motional Capacitance C Shunt Capacitance R  Motional Resistance Calibration Glass Lid Ceramic Lid A B C ±0.003% ±0.01% ±0.1% ±0.01% ±0.1% ±1.0% CX MINIATURE CRYSTALS 30kHz to 200kHz ULTRA-MINIATURE MINIATURE SMD CRYSTAL EURO QUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk Web: www.euroquartz.co.uk CX-4V-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 1.5 2.3 4.0 Terminations Designation Termination SM1 SM2 SM3 Gold Plated Nickel, Solder Plated Nickel, Solder Plated and Solder Dipped Packaging CX-3H-SM- Bulk Pack (Standard) - 16mm tape, 178mm or 330mm reels (Optional) per EIA 481 - Tray Pack (Optional) Order Code CX-4V C = Ceramic Lid Blank = Glass Lid Frequency -SM1 32.768kHz ( A SM1 SM2 SM3 / I ) “S” if special or custom design Blank if standard Calibration Tolerance* @ 25°C A, B, C *For other calibration tolerances enter figure in ppm Temperature Range: C = Commercial I = Industrial M = Military S = Specify