cpt specifications: frequency range: 32.768 khz custom frequencies available. operating temperature: -40 c ~ +85 c standard temperature coefficient: -(0.035 0.008) ppm/ c 2 frequency tolerance: 20 ppm (at 25 c) load capacitance: 12.5 pf other values are available. shunt capacitance: 1.35 pf typical resistance: 50,000 ? max standard: shunt capacitance: 0.85 pf typ. motional capacitance: 2.0 ff typ. aging: 3 ppm/year max drive level: 1.0 w max packaging: tape & reel (2k per reel) plastic surface mount watch crystals extended operating temperature two industry standard pin connections uniform, stable performance * 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. series load cap. d12.5 frequency 32.768k tolerance c1 = 100 c2 = 50 c3 = 30 c4 = 10 c5 = 20 c5 series added features blank = bulk pack = tape and reel z operating temp. a0 = -10 c ~ +60 c a1 = -10 c ~ +70 c a2 = -40 c ~ +85 c a3 = -55 c ~ +125 c a1* stability b1 = 100 b2 = 50 b3 = 30 b4 = 10 b2 cptb p a r t numbering example: cptb z - a1 b2 c5 - 32.768k d12.5 cptb z cptb d 6 = 6.0 pf = 12.5 pf d12.5
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