hc-50/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, 2.4 - 300 mhz all dimensions in mm (max) hc-50/u : x = 13.4 hc-50/11 mm: x = 11.5 din 45110: m3 iec 122-3: dq nfc-93-601: n 0 9 mil-h-10056: hc-50/u welded metal enclosure (inert atmosphere) with pins temperature stability in the temperature range hc-50/u -55c...+105c -20c...+70c nom. temp. 5c 1 ) overtone frequency [mhz] type 50ppm 25ppm 20ppm 10ppm 7ppm 5ppm 2ppm 2.4...5.2 xs 22xx 01 02 03 04 06 ----- 05 1.ot 5.2...10 xs 22xx 11 12 13 14 16 17 15 10...35 xs 23xx 01 02 03 04 06 07 05 3.ot 15...90 xs 24xx 01 02 03 04 06 07 05 5.ot 40...150 xs 25xx 01 02 03 04 06 07 05 7.ot 100...210 xs 26xx 01 02 03 04 06 07 05 9.ot 150...300 xs 26xx 11 12 13 14 16 17 15 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 2.4...3 250 shunt capacitance: c 0 = 7pf max 1. ot 3...5.2 120 1. ot 5.2...6 80 1. ot 6...8 60 1. ot 8...10 40 1. ot 10...15 30 1. ot 15...35 25 3. ot 20...100 40 5. ot 50...160 60 7. ot 110...210 100 9. ot 150...300 200 crystal units with different tolerances or additional data upon request. modifications: hc-50/u-s, hc-50/11mm-3 mm-s: 3-point mounting for exposure to extreme accelerations (shock and vibration). 10.0 3.6 4.5 ? ? 1.06 6.2 x 11.0 4.9
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