qc6a series 3.5x6.0 4-pad smd quartz crystal unit features ? low in height, suitable for thin equipment ? ceramic package and metal lid assures high reliability ? tight tolerance and stability available mechanical dimensions part numbering guide qantek code package nominal frequency (in mhz) vibration mode load capaci - tance operating tem - perature range frequency tolerance frequency stability automotive indicator packaging q = qantek c6a = 3.5x6.0 4-pad = smd 7 digits including the decimal point (f.ie. 12.0000) f = at-fund s = series 08 = 8pf 12 = 12pf 18 = 18pf 20 = 20pf etc. a = -20 to +70c b = -40 to +85c c = -40 to +105c d = -40 to +125c 1 = 10ppm 2 = 20ppm 3 = 30ppm 5 = 50ppm 0 = 100ppm 1 = 10ppm 2 = 20ppm 3 = 30ppm 5 = 50ppm 0 = 100ppm a = aec-q200 m = 250pcs tape&reel r = 1000pcs tape&reel example: qc6a12.0000f12b33r bold letters = recommended standard specifcation applications ? high density applications ? modem, communication and test equipment ? pmcia, wireless applications ? automotive applications frequency stability vs. temperature operating temperature 10ppm 20ppm 30ppm 50ppm 100ppm -20 to +70c ? ? ? ? ? -40 to +85c * ? * ? ? ? ? -40 to +105c - - - ? ? -40 to +125c - - - - ? *operating temperature -30 to +85c ? standard ? available general specifcations frequency range 8.000 to 160.000mhz mode of oscillation fundamental 8.000 to 40.000mhz third overtone 40.100 to 160.000mhz frenquency tolerance at 25c 10 to 30ppm (30ppm standard) frequency stability over temperature range see stability vs. temperature table storage temperature -55 to +125c aging per year 3ppm max. load capacitance c l 10 to 32pf and series resonance shunt capacitance c 0 7.0pf max. equivalent series resistance (esr) see esr table drive level 500w max. insulation resistance (m ) 500 at 100vdc 15vdc equivalent series resistance (esr) frequency range - mhz max. mode of operation 8.000 to 12.000 80 fundamental 12.100 to 16.000 60 16.100 to 40.000 40 40.100 to 160.000 70 third overtone qc6a rev. 0.4 qantek technology corporation phone: +1 877-227-0440 (tollfree) www.qantek.com fax: +1 877-227-0440 (tollfree) info@qantek.com
qc6a series 3.5x6.0 4-pad smd quartz crystal unit tape and reel dimensions marking code guide contains frequency, qantek manufacturing code, production code (month and year) and load capacitance. month codes january a july g february b august h march c september i april d october j may e november k june f december l year codes 2013 3 2014 4 2015 5 2016 6 2017 7 2018 8 2019 9 2020 0 2021 1 load capacitance code in pf pf pn code pf pn code 12 a 20 f 18 b 22 g 8 c 30 h 10 d 32 i 16 e s s example: first line: 12.000 (frequency) second line: qa5a (qantek - january - 2015 - 12 pf) solder refow profle environmental specifcations mechanical shock mil-std-202, method 213, c vibration mil-std-202, method 201 & 204 thermal cycle mil-std, method 1010, b gross leak mil-std-202, method 112 fine leak mil-std-202, method 112 all specifcations are subject to change without notice. qc6a rev. 0.4 qantek technology corporation phone: +1 877-227-0440 (tollfree) www.qantek.com fax: +1 877-227-0440 (tollfree) info@qantek.com
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