electronics electronics 10 commerce drive, new rochelle, ny10801 914-712-2200 ? fax: 914-576-6204 http://www.mfelectronics.com email:sales@mfelectronics.com quartz crystals 4.7 h dimensions are in mm 12 max 13.5 max 4.0/5.0 1.0 xh hc-49s smd metal can features low profile resistance weld package with insulator for smd wide frequency & stability options ir reflow assembly compatibility applications : mobile & wireless equipment datacom hubs/switches/routers telecom switching & computers tcxo - vcxo -pll -synthesizer specifications frequency: fundamental range 3.5-30mhz 3rd overtone range: 30-80 mhz tolerance 10 to 50 ppm stability vs temp 20 to 50 ppm aging 5 ppm per year, max. shunt capacitance 7 pf max drive level 10 uw to 1mw temperatures storage from -40 to +85 deg c equivalent series resistance - fundamental frequency esr, max frequency esr, max. frequency esr, max. (mhz) ohms (mhz) ohms (mhz) ohms 3.5-3.999 200 8.0-8.999 90 15-15.999 60 4.0-5.999 150 9-9.999 80 16-23.999 50 6.0-7.999 120 10-14.999 70 24.0-30.0 40 equivalent series resistance - overtone frequency esr, max. (mhz) (ohms) 30.0-80.0 100 xh model surface mount hc 49s 3.5 to 80 mhz surface mount xha (standard) xhb (special option) part numbering description (example: xha-18-f-30-a-a-9.8304-t) load 18=18pf 16=16pf s=series 15=15pf 32=32pf mode f=fundamental t=3rd ot tolerance @ 25 c 50=50ppm 30=30ppm 15=15ppm 10=10ppm stability ref 25 c a=50ppm b=30ppm c=20ppm temperature range a= -10 to 60 c b= -20 to 70 c c= -40 to 85 c frequency in mhz packaging t=tape & reel b=bulk xha- 18- f- 30- a- a- 9.8304- t model xha=hc49s height=4.4mm (standard) xhb=hc49s height=3.2 mm (special option) obsolete
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