EURO QUARTZ CX9SM CRYSTAL Ultra-Miniature SMD Crystal 14MHz to 250MHz FEATURES OUTLINE & DIMENSIONS Designed for infrared, vapour phase or epoxy mounting Low profile, (<1.0mm) 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 DESCRIPTION CX9SM crystals are designed for applications requiring very small footprint and low profile (<1.0mm). Using micro-machining processes this hermitaclly-sealed crystalensures high stability and low ageing. SPECIFICATION Dim. H Glass Lid Ceramic Lid SM1 SM2 SM3 SM4 SM5 0.87 0.87 0.91 0.87 0.91 0.90 0.90 0.94 0.90 0.94 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): QualityFactor Q (k): Shunt Capacitance C0 (pF): 25.0MHz 30 1.8 49.0MHz 30 2.1 155.52MHz 25 2.5 120 1.0 60 1.0 16 1.4 CRYSTAL EQUIVALENT CIRCUIT Standard Calibration Tolerance1: ±100ppm or tighter as required. Load Capacitance: 10pF (or as specified) Drive Level: 200µW maximum <50MHz 100µW maximum >50MHz Frequency Stability1,2,3 -10° to +70°C: ±50ppm to ±10ppm -40° to +85°C: ±100ppm to ±20ppm -55° to +125°C: ±100ppm to ±30ppm Ageing First Year: ±5ppm maximum (Better than ±1ppm available) Shock, Survival4: 5000g, 0.3ms, ½ sine Vibration, Survival: 20g rms, 10~2000Hz swept sine Operating Temperature Range: -10°C to +70°C (Commercial) -40°C to +85°C (Industrial) -55°C to +125°C (Military) Storage Temperature Range: -55° to +125°C Maximum Process Temperature: +260°C for 20 seconds R1 Motional Resistance C1 Motional Capacitance L1 Motional Inductance C0 Shunt Capacitance PACKAGING OPTIONS CX9SM crystals are available either tray packed (<250pcs) or tape and reel (>250 pieces). 16mm tape, 178mm or 330mm reels (EIA 418). TERMINATIONS - PLATING 1. 2. 3. 4. Other tolerances available, contact Euroquartz sales Does not include calibration tolerance. (Frequency stability characteristics follow that of the AT-Cut thickness-shear mode.) 5ppm max. for frequencies below 40MHz. Per MIL-STD-202G, Method 204D, Condition D. Random vibration testing also available. Designation Termination SM1 SM2 SM3 SM4 SM5 Gold Plated (Lead Free) Solder Plated Solder Dipped Solder Plated (Lead Free) Solder Dipped (Lead Free) HOW TO ORDER CX9SM AT CRYSTALS CX9 - 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 49.0M, 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 *Alternative 'total' 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