QANTEK Technology Corporation

Phone: +1 877-227-0440 (tollfree)

www.qantek.com

Fax:

+1 877-227-0440 (tollfree)

info@qantek.com

QTP7 Series

1.4x6.9 Plastic SMD Tuning Fork

Marking Code Guide

Contains frequency

Solder Reflow Profile

Frequency vs. Temperature Characteristics

To calculate the frequency stability the parabolic curvature constant (K) is needed.

For calculating the stability at 45°C:

1- Change in temperature (

DT) is (45-25) = +20°C

2- Change in frequency is (-0.034 x (

D°C)²) = (-0.034 x (20)²) = -13.6ppm