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 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. outline & dimensions 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 cx1sm at crystal miniature smd at-cut quartz crystal 8mhz to 250mhz sm1 1.65 1.78 sm2/sm4 1.70 1.83 sm3/sm5 1.78 1.90 terminations dimension 'h' glass lid ceramic lid terminations - plating sm1 gold plated (lead free) sm2 solder plated sm3 solder dipped sm4 solder plated (lead free) sm5 solder dipped (lead free) designation termination 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)
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 specification fundamental frequency: 10.0mhz 32.0mhz 155.52mhz motional resistance r (): 30 25 15 motional capacitance c1 (ff): 5.5 6.2 4.0 qualityfactor q (k): 100 30 30 shunt capacitance c0 (pf): 2.2 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. (1ppm available) shock, survival 5 : 3,000g, 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 characteristicsof 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. cx1sm at crystal miniature smd at-cut quartz crystal 8mhz to 250mhz packaging options cx1sm crystals are available either tray packed (<250pcs) or tape and reel (>250 pieces). 16mm tape, 178mm or 330mm reels (eia 418). crystal equivalent circuit r1 motional resistance l1 motional inductance c1 motional capacitance c0 shunt capacitance how to order cx1sm at crystals cx1 - s - c - sm1 - 32.0m 100 / 100 / i 's' if special, custom design. otherwise leave blank blank = glass lid c = ceramic lid 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) may be specified as ? / ? / 200 / i where '200' indicates an overall total frequency tolerance in ppm.
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