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 standard: shunt capacitance: 1.7 pf max aging: 3 ppm max first year drive level: 1 w max ctf6 ctf8 load cap. d6 = 6.0 pf d12.5 = 12.5 pf series 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 stability b1 = 100 b2 = 50 b3 = 30 * 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 series ctf6 ctf8 a3 = -55 c ~ +125 c part numbering example: ctf6 - a1 b2 c3 50 - 32.768k d12.5 c t f 8 a * b 3 c 3 5 0 3 2 . 7 6 8 k d 1 2 . 5 5 0 . c t f 6 c a l l m a r k e t i n g o p t i o n a l f e a t u r e s : c a l l m a r k e t i n g r e s i s t a n c e : 5 0 , 0 0 0 ? m a x ( b t c u t ) cardinal components, inc. 155 route 46 west wayne, nj 07470 rev: c-090414-11 tel: (973)785-1333 e-mail: sales@cardinalxtal.com web: http://www.cardinalxtal.com c-5
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