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 the 'ht' range of crystals are designed for applications subjected to high operating temperatures. the cx1vht/cx1hht, cx4vht and cx9vht crystals operate up to 200c and feature an expected life in excess of 1000 hours at these temperatures. the frequency range is: cx1vht and cx1hht: 10khz to 600khz cx4vht: 30khz to 250khz cx9vht: 32khz to 160khz. outlines & dimensions features high temperature operation up to 200c high schock resistance hermetically sealed ceramic package high temperature crystals high temperature/low frequency 10khz to 600khz cx1vht/ cx1hht cx4vht cx9vht frequency range motional resistance r1 @ 25c motional capacitance c1 @ 25c shunt capacitance c0 @ 25c quality factor q @ 25c load capacitance cl turnover temperature drive level cx1vht 10khz to 600khz 30k @ 32.768khz 10k @ 100khz 2.3ff @ 32.768khz 1.0ff @ 100khz 2.0pf max. 68k @ 32.768khz 140k @ 100khz 9pf @ 32.768khz 8pf @ 100khz 21c @ 32.768khz 9c @ 100khz 0.5w max. 10~24.9khz 1.0w max. 25~600khz cx1hht 10khz to 600khz 140k @ 32.768khz 47k @ 100khz 2.3ff @ 32.768khz 1.0ff @ 100khz 2.0pf max. 18k @ 32.768khz 31k @ 100khz 9pf 21c @ 32.768khz 10c @ 100khz 0.5w max. 10~24.9khz 1.0w max. 25~600khz cx4vht 30khz to 250khz 50k @ 32.768khz 18k @ 100khz 2.3ff @ 32.768khz 1.0ff @ 100khz 2.3pf @ 32.768khz 1.07pf @ 100khz 40k @ 32.768khz 85k @ 100khz 9pf @ 32.768khz 8pf @ 100khz 25c @ 32.768khz 10c @ 100khz 0.5w max. cx9vht 32khz to 160khz 70k @ 32.768khz 19k @ 100khz 2.3ff @ 32.768khz 1.0ff @ 100khz 2.2pf @ 32.768khz 0.84pf @ 100khz 27k @ 32.768khz 80k @ 100khz 9pf @ 32.768khz 5pf @ 100khz 20c @ 32.768khz 16c @ 100khz 0.5w max. specifications table 10khz ~ 600khz 30khz ~ 250khz 32khz ~ 160khz dimensions a 8.38 5.33 4.32 b 3.94 2.16 1.73 c (sm1) 1.78 1.27 0.97 c (sm5) 1.90 1.35 1.02 d 1.40 1.16 0.97 e 1.78 0.51 f 1.78 0.64 cx1vht/ cx1hht cx4vht cx9vht dim. applications downhole instrumentation rotary shaft sensors underground boring tools suggested soldering pattern
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 packaging options tray packed (<250pcs) or tape and reel (>250 pieces). 16mm tape, 178mm or 330mm reels (eia 418). how to order cx1vht, cx1hht, cx4vht and cx9vht crystals cx4v - ht - s - sm5 - 32.768k, 30 / i 's' if special, custom design. otherwise leave blank terminations sm1 = gold 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 cx1v cx1h cx4v cx9v ht = high temperature frequency shift vs. time frequency shift after: epoxy type epoxy a 150c 1.97ppm 2.51ppm 3.30ppm 3.94ppm epoxy b 150c 3.94ppm 4.91ppm 6.32ppm 7.46ppm epoxy a 175c 4.80ppm 5.66ppm 6.94ppm 7.99ppm epoxy b 175c 4.13ppm 5.06ppm 6.41ppm 7.52ppm epoxy a 200c 29.40ppm 36.82ppm 47.61ppm 56.46ppm epoxy b 200c 23.31ppm 30.59ppm 41.63ppm 50.89ppm temp. 1,008 hrs (actual data) 1,824 hrs (actual data) 4,320 hrs (projected data) 8,760 hrs (projected data) high temperature crystals high temperature/low frequency 10khz to 600khz 170~249.9 250~600 30ppm 50ppm 100ppm 200ppm 100ppm 100ppm 200ppm 500ppm 1000ppm 1000ppm 2000ppm 5000ppm 10~74.9 75~169.9 standard calibration tolerance frequency range (khz) specifications stated are typical at 25c unless otherwise indicated. specifications may change without notice. frequency range: s ee specifications table calibration tolerance*: see table operating temperature range: -55c to +200c frequency stability over temperature**: temperature coefficient (k): -0.035ppm/c 2 ageing, first year: 5ppm max. shock, survival***: cx1vht: 1,000g, 1ms, ? sine cx1hht: 1,000g, 1ms, ? sine cx4vht: 5,000g, 0.3ms, ? sine cx9vht: 5,000g, 0.3ms, ? sine vibration, survival: 20g rms, 10~2000hz general specification * tighter frequency calibration is available. ** where f(t) = frequency at temperature t t = temperature to = turnover temperature fo = frequency at turnover temperature to *** higher shock and vibration survival is available f(t)-f(to) f(to) =k(t-to) 2
|
