hc-52/u 166 glover avenue norwalk, ct 06856 tel: 1-88-vectron-1 fax: 1-888-fax-vectron www.vectron.com quartz crystal units at-cut, 5 - 300 mhz all dimensions in mm (max) x a b hc-52/u : 8.8 2.3 3.3 hc-52/8 mm: 8.8 2.3 3.3 hc-52/6 mm: 6.0 2.3 3.3 hc-52/8 mm-sl: 8.0 1.65 2.3 hc-52/6 mm-sl: 6.0 1.65 2.3 h c-52/6 mm: starting with 15mhz din 45110: n4 iec 122-3: eb nfc 93-601: n 0 17 mil-h-10056: hc-52/u welded metal enclosure (inert atmosphere) with wire leads temperature stability in the temperature range hc-52/u -55c...+105c -20c...+70c nom. temp. 5c 1 ) overtone frequency [mhz] type 50ppm 25ppm 20ppm 10ppm 7ppm 5ppm 2ppm 5...10 xs 71xx 01 02 03 04 06 ----- 05 1.ot 10...35 xs 71xx 01 02 03 04 06 07 05 3.ot 25...100 xs 71xx 11 12 13 14 16 17 15 5.ot 60...160 xs 71xx 21 22 23 24 26 27 25 7.ot 110...210 xs 71xx 31 32 33 34 36 37 35 9.ot 150...300 xs 71xx 41 42 43 44 46 47 45 calibration tolerance: 10 ppm 1 ) nom. temp. = nominal temperature for oven application to be given with the order. motional resistance r1 overtone frequency [mhz] r1max [ w ] standard resonance for fundamental crystals: load resonance with c l = 30 0.5pf overtone crystals: series mode 1. ot 5...10 80 shunt capacitance: 5...10mhz: c 0 = 2.2pf 0.8pf 1. ot 10...15 50 10...300mhz: c 0 = 3.0pf 1.0pf 1. ot 15...20 40 1. ot 20...35 30 3. ot 25...50 100 3. ot 50...100 90 5. ot 60...80 150 5. ot 80...160 100 7. ot 110...210 150 9. ot 150...300 200 crystal units with different tolerances or additional data upon request. modifications: hc-52-3, hc-52/8mm-3, hc-52/6mm-3: 3rd wire (ground) hc-52-s, hc-52/8mm-s: 3-point mounting for exposure to extreme accelerations (shock and vibr.) hc-52-3-s, hc-52/8mm-3-s: 3-point mounting for exposure to extreme accelerations (shock and vibr.), 3rd wire (ground) smd-versions with metal clip. 8.0 3.85 7.0 a x 13.7 ? ? 0.47 b
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