38 cardinal components, inc., 155 rt. 46 w, wayne, nj. 07470 tel: (973)785-1333 fax: (973)785-0053 http://www.cardinalxtal.com e-mail: cardinal@cardinalxtal.com 38 cardinal components cardinal components tuning fork crystals cardinal ? s tuning fork crystals provide a cost-effective approach for time-management products. specifications: frequency range: 32.768 khz standard 30.000 ~ 200.000 khz available operating temperature: -10 c ~ +60 c standard temperature coefficient: -(0.035 0.008) ppm/ c 2 frequency tolerance: 30 ppm standard (at 25 c) load capacitance: 12.5 pf, 6.0 pf resistance: 50,000 ? max standard: shunt capacitance: 1.7 pf max aging: 3 ppm max first year drive level: 1 w max optional features: formed leads vinyl sleeves ctf6 ctf8 load cap. d6 = 6.0 pf d12.5 = 12.5 pf series ctf6 ctf8 operating temp. a0 = -10 c ~ +60 c a1 = -10 c ~ +70 c a2 = -40 c ~ +85 c tolerance c1 = 100 c2 = 50 c3 = 30 c4 = 10 frequency resistance added features w = vinyl sleeving z = tape and reel stability b1 = 100 b2 = 50 b3 = 30 b4 = 10 * note: the above abc combinations cover basic specification options. we tailor our crystal specifications to meet customer requirements. please contact our sales department if you don ? t see exactly what you need. ctf6 f a* b3 d12.5 32.768k 50 c3 series ctf6 ctf8 a3 = - 5 5 c ~ +125 c part numbering example: ctf6 - a1 b2 c3 50 - 32.768k d12.5
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