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| CX MINIATURE CRYSTALS 18kHz to 600kHz ULTRA-LOW PROFILE MINIATURE SMD CRYSTAL EUROQUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk Web: www.euroquartz.co.uk CX-6V-SM Page 1 of 2 General Description The CX-6V-SM quartz crystals are leadless devices designed for surface mounting on printed circuit boards or hybrid substrates. The crystals are intended for use in Pierce oscillators. Hermetically sealed in a miniature ceramic package, the crystals are produced utilizing a photo-lithographic process ensuring consistent high quality production units. Miniature tuning fork design Ultra-low profile (1mm) High shock resistance Designed for low power applications Compatible with hybrid or PCB packaging Low ageing Full military environmental testing available Ideal for battery operated applications Specification Frequency Range: Functional Mode: Calibration Tolerance*: Motional Resistance (R1): Motional Capacitance (C1): Quality Factor (Q): Shunt Capacitance (C0): Drive Level: Turning Point (T0)**: Temperature Coefficient (k): Ageing, first year: Shock, survival***: Vibration, survival***: Operating Temperature: Storage Temperature: Process Temperature: 18kHz to 600kHz Tuning Fork (Flexure) A, B or C (see table below) See Figure 1 Max.: 18~25kHz, 2x typ. 25~600kHz, 2.5x typ. See Figure 2 See Figure 3 Min. is 0.25 typ. 1.4pF 18~25kHz 0.5W max. 25~600kHz 1.0W max. See Figure 4 -0.035ppm/C2 5ppm max. 1,500g 0.3ms, 1/2 sine 10g rms 20-2,000Hz random -10~+70C (commercial) -40~+85C (industrial) -55~+125C (military) -55C~+125C 260C for 20 sec. D (TOP) A D Outline B C CX-6V-SM Package Dimensions Dimension Typical (mm) Maximum (mm) A B C D Dimension "C" 6.73 2.62 1.27 Glass Lid (mm max.) 7.11 2.90 see below 1.52 Ceramic Lid (mm max.) Specifications are typical at 25C unless otherwise indicated. * ** ** Closer calibration available Other Turning Point available A higher shock and vibration version is available SM1 SM2 SM3 0.99 1.04 1.12 1.35 1.40 1.47 CX-6V-SM Crystal Calibration Tolerance at 25C Calibration Frequency Range (kHz) 18~74.9 75~169.9 170~249.9 250~600 Equivalent Circuit L1 R1 A B C C1 C0 0.003% 0.01% 0.1% 0.005% 0.01% 0.1% 0.01% 0.02% 0.2% 0.02% 0.05% 0.5% 1 2 Other calibration values are available - consult Euroquartz sales office Load Capacitance (CL) Used to Calibrate CX-6V) Frequency Range (kHz) Load Cap. (pF) Frequency Range (kHz) Load Cap. (pF) R 1 Motional Resistance L 1 Motional Inductance C 1 Motional Capacitance C0 Shunt Capacitance 18~24.9 25~54.9 55~100 10 9 8 100.1~179.9 180~160 5 4 (Other CL available) CX MINIATURE CRYSTALS 18kHz to 600kHz ULTRA-LOW PROFILE MINIATURE SMD CRYSTAL EUROQUARTZ Telephone: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk Web: www.euroquartz.co.uk CX-6V-SM Page 2 of 2 Figure 3 - CX-1H Typical Quality Factor (Q) Circuit Design Figure 1 - CX-6V Typical Motional Resistance (R) 300 200 R1 (k 100 300 200 100 in '000s 50 9) 50 20 18 50 100 200 600 Frequency (kH z) 20 10 5 Figure 4 - CX-1H Typical Turning Point Temp. (C) +80 +70 2 18 50 100 200 600 +60 +50 +40 To(C) +30 Frequency (kHz) Figure 2 - CX-6V Typical Motional Capacitance (C1) 5 +20 + 10 0 - 10 -20 C1 (fF) 18 50 100 200 600 2 1.0 F requenc y (kH z) Note: Frequency (f) deviation from frequency (fo) @ turning point 0.5 18 50 100 200 600 Frequency (kHz) f-fo k(T-To) = fo Terminations Designation Termination Solder Pad Layout 1.78 3.05 5.46 SM1 SM2 SM3 Gold Plated Nickel, Solder Plated Nickel, Solder Plated and Solder Dipped Packaging CX-6V-SM- Bulk Pack (Standard) - 16mm tape, 178mm or 330mm reels (Optional) per EIA 481 - Tray Pack (Optional) Order Code CX-6V C = Ceramic Lid Blank = Glass Lid Frequency -SM1 32.768kHz ( A SM1 SM2 SM3 Calibration Tolerance* @ 25C A, B, C *For other calibration tolerances enter figure in ppm / I ) "S" if special or custom design Blank if standard Temperature Range: C = Commercial I = Industrial M = Military S = Specify |
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