dimensions: inch (mm) nominal frequency operating temperature storage temperature frequency tolerance frequency stability equivalent series resistance load capacitance cl shunt capacitance drive level aging at 25c/year insulation resistance abracon is a b r a c o n i s iso 9001 / qs 9000 i s o 9 0 0 1 / q s 9 0 0 0 certified c e r t i f i e d abracon is iso 9001 / qs 9000 certified 30332 esperanza, rancho santa margarita, california 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com ||||||||||||||| ab145 miniature cylinder high frequency crystal m i n i a t u r e c y l i n d e r h i g h f r e q u e n c y c r y s t a l miniature cylinder high frequency crystal standard specifications: outline drawing: table 1: options and part identification (left blank if standard) : 5.1 x 1.5mm 30.000 to 70.000 ( 3 ot ) 100 fre q uenc y ran g e ( mhz ) 40 16.000 to 19.999 ( fund ) max esr ( ?) 30 20.000 to 29.999 ( fund ) ab145 - frequency - cl - esr - tolerance - stability - packaging freq tolerance options: 1 for 10 ppm max. 7 for 15 ppm max. 2 for 20 ppm max. 3 for 25 ppm max. 5 for 50 ppm max. cl options: load cap. in pf (minimum 10 pf) s for series resonance esr options: rxxx (value in ohms max.) packaging option: t for tape and reel freq stability options: u for 10 ppm max. g for 15 ppm max. x for 20 ppm max. w for 25 ppm max. h for 35 ppm max. z for 50 ppm max. environmental and mechanical specifications: shock: drop test of 3 times on a hard board from 75cm. 5ppm max. r within spec. vibration: frequency with an amplitude of 1.5mm or accelearation 10g sweeping between 10hz to 55hz within 1 minute for 2 hours minimum on each axis. (x, y, z). 5ppm max. r within spec. terminal strength: apply 0.5kg load to each terminal and sustain it for 305seconds. no visible damage solderability: dip terminals in rma flux for 50.5sec at room temp. then solder dip at 230c 5c for 50.5sec. 90% coverage with fresh solder. leak test: take measurments with helium leak detector. 1*10 -2 pa*m 3 /s thermal shock: subject to 5 temperature cycles from -40c for 30min to 100c for 30min each cycle. variation between pre-test and post-test frequencies shall remain between 5ppm. r within spec. rev1.1-8/05 *rohs compliant applications: ? communications equipment measuring instruments audio and video equipment features: miniature high frequency crystals excellent frequency vs. temperature stability industrial temperature range available hand held devices portable electronics microprocessor clocks parameters 16.000mhz - 70.000mhz -10c to + 60c -40c to +85c 30 ppm max. at +25c (see option) 30 ppm max. (see option) see table 1 16pf (see option) 7pf 500 w max., 100 w correlation 5ppm max. 500 m ? min. at 100 vdc 15v rd
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