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 CX9VSM crystals are leadless devices designed for surface mounting on pcbs or hybrid substrates. the crystals have a very low-profile (<0.94mm) and are suited for all low frequency applications. outline & dimensions specification features frequency range 32khz to 160khz high shock resistance ultra-small ceramic package low ageing designed for low power applications full mil testing available packaging options CX9VSM crystals are available either tray packed (<250pcs) or tape and reel (>250 pieces). 16mm tape, 178mm or 330mm reels (eia 418). CX9VSM crystal how to order CX9VSM crystals cx9v - s - c - sm1 - 100.0k, 100 / i 's' if special, custom design. otherwise leave blank blank = glass lid c = ceramic lid frequency k = khz calibration tolerance* a b c temp. range c = -10 ~ +70c i = -40 ~ +85c m = -55 ~ +125c s = customer specified 32khz to 160khz ultra-miniature low-profile smd crystal parameters fundamental frequency (khz): 32.768 100.0 motional resistance r1 (k): 70 19 motional capacitance c1 (ff): 2.2 1.0 qualityfactor q (k): 27 80 shunt capacitance c0 (pf): 1.1 0.84 load capacitance (pf) 1 : 9 5 turning point (c) 2 : 20 16 specifications stated are typical at 25c unless otherwise indicated. specifications may change without notice. 1. other load capacitance values are available. 2. other temperature available. 3. tighter tolerances available. drive level: 0.5w max. temperature coefficient (k): -0.035ppm/c 2 ageing, first year: 5ppm max. note: frequency f at temperature t is related to frequency fo at turning point temperature to by: f-fo fo =k(t-to) 2 shock, survival: 5000g, 0.3ms, ? sine vibration, survival: 20g rms, 10~2000hz random 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 standard calibration tolerance for 32.768khz (3) glass lid: a = 50ppm (0.003%) b = 100ppm (0.01%) c = 1000ppm (0.1%) ceramic lid: a = 100ppm (0.01%) b = 1000ppm (0.1%) c = 10000ppm (1.0%) conventional cmos pierce oscillator circuit sm1 0.87 0.90 sm2 0.87 0.90 sm3 0.91 0.94 sm4 0.87 0.90 sm5 0.91 0.94 glass lid ceramic lid dim. h terminations sm1 = gold plated * sm2 = solder plated sm3 = solder dipped sm4 = solder plated * sm5 = solder dipped * * = lead free 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
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