QTP832.76812B20R Qantek

QTP8 Series 3.8x8.7 Plastic SMD Tuning Fork Features Applications Excellent environmental and heat resistance Wide range in communication and measuring plastic package with reflow capability equipment Extended temperature -40 to +85C for Commercial and Industrial applications industrial applications Wireless communications Time of day Applications General Specifications Mechanical Dimensions Nominal Frequency 32.768 kHz Frenquency Tolerance at 25C 20ppm Temperature Coefficient -0.035 0.008ppm/D C Temperature Range (Operating) -40 to +85C Storage Temperature -55 to +125C Load Capacitance C 6pF, 12.5pF L Shunt Capacitance C 1.5pF typ. 0 Motional Capacitance C 3.0fF typ. 1 Equivalent Series Resistance (ESR) 50K max. Drive Level 1W max. Aging per Year 3ppm max. Insulation Resistance (M) 500 at 100Vdc 15Vdc Quality Factor 70000 typ. Pin Connection: 1 Crystal, 2 N/C, 3 N/C, 4 Crystal Capacitance Ratio 450 typ. Part Numbering Guide Qantek Code Package Nominal Frequency (in kHz) Load Capacitance Operating Temperature Range Frequency Tolerance Packaging Q = Qantek TP8 = 3.8x8.7 Plastic 32.768 06 = 6pF B = -40 to +85C 10 = 10ppm R = 3000pcs Tape&Reel = SMD 12 = 12.5pF 15 = 15ppm 20 = 20ppm Example: QTP832.76812B20R bold letters = recommended standard specification Tape and Reel Dimensions 1.5 + 0.1DIA 4.0 0.1 .059 + .004DIA .157 .004 2.0 0.1 .079 .004 2.7 0.1 4.05 0.1 8.0 0.1 .106 .004 .159 .004 .315 .004 QANTEK Technology Corporation Phone: +1 877-227-0440 (tollfree) www.qantek.com Fax: +1 877-227-0440 (tollfree) info qantek.com QTP8 Rev. 0.4 8.3 0.3 .327 .012 7.5 0.1 1.75 0.1 .295 .004 .069 .004 16.0 0.3 .630 .012QTP8 Series 3.8x8.7 Plastic SMD Tuning Fork Marking Code Guide Contains manufacturer code / lot code Solder Reflow Profile Frequency vs. Temperature Characteristics To calculate the frequency stability the parabolic curvature constant (K) is needed. For calculating the stability at 45C 1- Change in temperature (D T) is (45-25) = +20C 2- Change in frequency is (-0.034 x (D C)) = (-0.035 x (20) = -14.0ppm QANTEK Technology Corporation Phone: +1 877-227-0440 (tollfree) www.qantek.com Fax: +1 877-227-0440 (tollfree) info qantek.com QTP8 Rev. 0.4