euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk euro quartz description cx3hgsm at crystals in leadless ceramic packages are designed for surface mounting on pcb or hybrid substrates. the small footprint, low profile crystal has been designed for applications requiring high shock and vibration survival. features very high shock and vibration survival designed for surface mount applications, including infrared, vapour phase or epoxy mount techniques hermetically sealed ceramic package excellent ageing characteristics available with glass or ceramic lid custom designs available full military testing available packaging options cx3hgsm at crystals are available either tray packed (<250pcs) or tape and reel (>250 pieces). 16mm tape, 178mm or 330mm reels (eia 418). cx3hgsm at crystal low profile miniature smd crystal 9.6mhz to 250mhz how to order cx3hgsm at crystals cx3 - s - hg1 - c - sm1 - 32.0m , 100 / 100 / - / i 's' if special, custom design. otherwise leave blank hg1 = 10,000g hg2 = 20,000g terminations sm1 = gold plated * sm2 = solder plated sm3 = solder dipped sm4 = solder plated * sm5 = solder dipped * * = lead free frequency m = mhz calibration tolerance @25c (in ppm) temp. range c = -10 ~ +70c i = -40 ~ +85c m = -55 ~ +125c s = customer specified frequency stability over temp. range (in ppm) crystal equivalent circuit r1 motional resistance l1 motional inductance c1 motional capacitance c0 shunt capacitance specification fundamental frequency: 10.0mhz 32.0mhz 155.52mhz motional resistance r (): 60 25 10 motional capacitance c1 (ff): 2.8 6.2 4.0 quality factor q (k): 95 30 30 shunt capacitance c0 (pf): 1.4 2.3 2.3 calibration tolerance 1 : 100ppm or tighter as required load capacitance 2 : 20pf for fr. <50mhz 10pf for fr. >50mhz drive level: 500w max. for fr. <50mhz 200w max. for fr. <50mhz temperature stability 3 commercial -10 ~ +60c: 50ppm to 10ppm industrial -40 to +85c: 100ppm to 20ppm military -55 to +125c: 100ppm to 30ppm ageing, first year 4 : 5ppm max. better than 1ppm is available shock, survival 5 : up to 20,000g, 0.3ms, ? sine vibration, survival 6 : 20g, 10~2000hz swept sine operating temperature range commercial: -10 to +70c industrial: -40 to +85c military: -55 to +125c storage temperature range: -55 to +125c maximum process temperature: +260c for 20 seconds specifications stated are typical at 25c unless otherwise indicated. specifications may change without notice. 1. other tolerances available, contact euroquartz sales. 2. unless specified otherwise. 3. does not include calibration tolerance. the characteristics of the frequency stability over temperature follow that of the at thickness- shear 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. dim. h outline & dimensions sm1 1.35 1.70 sm2 1.40 1.75 sm3 1.47 1.83 sm4 1.40 1.75 sm5 1.47 1.83 glass lid ceramic lid blank = glass lid c = ceramic lid
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