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 cx1hsm crystals consist of a high quality tuning fork resonator in a rugged, hermetically sealed ceramic package. cx1vsm is intended for use in series (two cascaded inverters) oscillator circuits. outline & dimensions specifications stated are typical at 25c unless otherwise indicated. specifications may change without notice. frequency range: 10.0khz to 600.0khz standard calibration tolerance*: see table motional resistance (r 1 ): figure 1 max = 10~169.9khz, 2x typical 170~600khz, 2.5x typical motional capacitance (c 1 ): figure 2 quality factor (q): figure 3 min. is 0.25x typical shunt capacitance (c 0 ): 2.0pf max. drive level 10~24.9khz: 1.5w max. 25~600.0khz: 3.0w max. turning point (t 0 )**: figure 4 temperature coefficient (k): -0.035ppm/c 2 ageing, first year: 5ppm max. shock, survival***: 1,000g, 1ms, ? sine vibration, survival***: 20g rms, 10~2000hz 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 specification 30ppm 50ppm 100ppm 200ppm (0.003%) (0.005%) (0.01%) (0.02%) 100ppm 100ppm 200ppm 500ppm (0.01%) (0.01%) (0.02%) (0.05%) 1000ppm 1000ppm 2000ppm 5000ppm (0.1%) (0.1%) (0.2%) (0.5%) 10~74.9 75~169.9 170~249.9 standard calibration tolerance features frequency range 10khz to 600khz high shock resistance low ageing designed for low power applications full mil testing available packaging options cx1hsm crystals are available either tray packed (<250pcs) or tape and reel (>250 pieces). 16mm tape, 178mm or 330mm reels (eia 418). cx1hsm crystal * tighter frequency calibration is available. ** other turning point is available *** higher shock and vibration survival is available how to order cx1hsm crystals cx1h - s - c - sm1 - 32.768k 30 / 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 k = khz calibration tolerance @25c (in ppm) temp. range c = -10 ~ +70c i = -40 ~ +85c m = -55 ~ +125c s = customer specified miniature smd crystal for series oscillators 10khz to 600khz 250~600 frequency range (khz) sm1 1.65 1.78 sm2/sm4 1.70 1.83 sm3/sm5 1.78 1.90 terminations dimension 'h' glass lid ceramic lid
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 cx1hsm crystal miniature smd crystal for series oscillators 10khz to 600khz suggested soldering pattern crystal equivalent circuit r1 motional resistance l1 motional inductance c1 motional capacitance c0 shunt capacitance conventional series oscillator circuit figure 1 cx1h typical motional resistance r1 figure 2 cx1h typical motional capacitance c1 figure 3 cx1h typical quality factor (q) figure 4 cx1h typical turning point temperature (to) 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 note: frequency f at temperature t is related to frequency f0 at turning point temperature to by: f-fo fo =k(t-to) 2 turning point temperature
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