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CX-3-SM31.0C Datasheet(PDF) 1 Page - EUROQUARTZ limited |
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CX-3-SM31.0C Datasheet(HTML) 1 Page - EUROQUARTZ limited |
1 / 2 page CX-3-SM 800kHz to 1.35MHz LOW-PROFILE MINIATURE SMD CRYSTAL CX-3-SM 800kHz to 1.35MHz LOW-PROFILE MINIATURE SMD CRYSTAL General Description CX-3-SM quartz crystals are leadless devices designed for surface- mounting on printed circuit boards or hybrid circuits. Hermetically sealed in a rugged, ceramic package, the crystals are produced utilizing a photo-lithographic process giving excellent repeatability and consistent high quality. Outline Extensional mode Ideal for use with microprocessors Designed for low power applications Compatible with hybrid or PCB mounting Low ageing Full military environmental testing available Ideal for battery operated applications Specification Dimension A 6.73 7.11 B 2.62 2.90 C - see below D 1.27 1.52 E 1.32 1.57 CX-3-SM Package Dimensions Typical (mm) Maximum (mm) Dimension “C” SM1 1.47 1.75 SM2 1.52 1.80 SM3 1.60 1.88 Glass Lid (mm max.) Ceramic Lid (mm max.) LR C C 12 R L CC Mot ional Resistance Motional Capacitance Motional Inductance Shunt Capacitance Equivalent Circuit Frequency Range: Functional Mode: Calibration Tolerance*: Load Capacitance: Motional Resistance (R ): Motional Capacitance (C ): Quality Factor (Q): Shunt Capacitance (C ): Drive Level: Turning Point (T )**: Temperature Coefficient (k): 800kHz to 1.35MHz Extensional A: ±0.05% (±500ppm) B: ±0.1% C: ±1.0% 7pF 5k max. 1.2fF 150k 1.0pF 3 W max. 35°C -0.035ppm/°C Note: Frequency (f) deviation from frequency (f0) @ turning point temperature (t0) = W m 2 A B C D D D E (TOP) Terminations Designation SM1 Gold Plated SM2 Nickel, Silver Plated SM3 Nickel, Solder Plated and Solder Dipped Termination Ageing, first year: Shock: Vibration, survival: Operating Temperature: Storage Temperature: Max. Process Temperature: ±5ppm max. 1,000g peak, 0.3ms, ½ sine 10g rms 20-1,000Hz 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. * Closer frequency calibration available ** Other turning point available f-fo fo = k(T-To) +44(0)1460 230000 +44(0)1460 230001 sales@euroquartz.co.uk www.euroquartz.co.uk Telephone: Fax: Email: Web: EUROQUARTZ CX MINIATURE CRYSTALS Page 1of2 |
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