EURO QUARTZ CX1SM AT CRYSTAL Miniature SMD AT-Cut Quartz Crystal 8MHz to 250MHz FEATURES Designed for infrared, vapour phase or epoxy mounting Low profile, hermetically sealed ceramic package Excellent ageing characteristics High shock and vibration resistance Full military testing available Available with glass or ceramic lid Custom designs available OUTLINE & DIMENSIONS DESCRIPTION CX1SM AT crystals are leadless devices designed for surface mounting.the crystals are hermetically sealed in a rugged, ceramic package. Due to its robust design this crystal has gained wide acceptance in the industry. APPLICATIONS Medical Infusion pumps Monitoring equipment Industrial, Computer and Instrumentation Instrumentation Process control Environmental control Telemetry Military & Aerospace Communications Satellite Command and Control Cockpit electronics Smart munitions Timing devices (fuses) DIMENSION 'H' Terminations SM1 SM2/SM4 SM3/SM5 Glass Lid 1.65 1.70 1.78 Ceramic Lid 1.78 1.83 1.90 TERMINATIONS - PLATING Designation SM1 SM2 SM3 SM4 SM5 Termination Gold Plated (Lead Free) Solder Plated Solder Dipped Solder Plated (Lead Free) Solder Dipped (Lead Free) EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk EURO QUARTZ CX1SM AT CRYSTAL Miniature SMD AT-Cut Quartz Crystal SPECIFICATION 8MHz to 250MHz CRYSTAL EQUIVALENT CIRCUIT Specifications stated are typical at 25°C unless otherwise indicated. Specifications may change without notice. Fundamental Frequency: Motional Resistance R (Ω): Motional Capacitance C1 (fF): 10.0MHz 30 5.5 32.0MHz 25 6.2 155.52MHz 15 4.0 100 2.2 30 2.3 30 2.3 QualityFactor Q (k): Shunt Capacitance C0 (pF): Calibration Tolerance1: Load Capacitance2: R1 Motional Resistance C1 Motional Capacitance ±100ppm or tighter as required 20pF for fr. <50MHz 10pF for fr. >50MHz 500µW max. for fr. <50MHz 200µW max. for fr. <50MHz Drive Level: Temperature Stability Commercial -10 ~ +60°C: Industrial -40 to +85°C: Military -55 to +125°C: Ageing, first year4: Shock, survival5: Vibration, survival6: Operating Temperature Range Commercial: Industrial: Military: Storage Temperature Range: Maximum Process Temperature: 3 ±50ppm to ±10ppm ±100ppm to ±20ppm ±100ppm to ±30ppm 5ppm max. (±1ppm available) 3,000g, 0.3ms, ½ sine 20g, 10~2000Hz swept sine L1 Motional Inductance C0 Shunt Capacitance PACKAGING OPTIONS CX1SM crystals are available either tray packed (<250pcs) or tape and reel (>250 pieces). 16mm tape, 178mm or 330mm reels (EIA 418). -10° to +70°C -40° to +85°C -55 to +125°C -55° to +125°C +260°C for 20 seconds 1. Other tolerances available, contact Euroquartz sales. 2. Unless specified otherwise. 3. Does not include calibration tolerance. The characteristicsof the frequency stability over temperature follow that of the AT thicknessshear mode. 4. 5ppm max. for frequencies below 40MHz For tighter tolerances and higher frequencies contact Euroquartz sales. 5. Higher shock version available. See CX1HGSM 6. Per MIL-STD-202G, Method 204D, Condition D. Random vibration testing also available. HOW TO ORDER CX1SM AT CRYSTALS CX1 - S - 'S' if special, custom design. Otherwise leave blank C Blank = glass lid C = ceramic lid - SM1 - Terminations SM1 = Gold plated * SM2 = Solder plated SM3 = Solder dipped SM4 = Solder plated * SM5 = Solder dipped * * = Lead free 32.0M 100 Frequency M = MHz Calibration Tolerance @25°C (in ppm) / 100 Frequency Stability over Temp. Range (in ppm) / I Temp. Range C = -10° ~ +70°C I = -40° ~ +85°C M = -55° ~ +125°C S = Customer specified May be specified as – / – / 200 / I where '200' indicates an overall total frequency tolerance in ppm. EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk