Quartz Crystal · MMTF32 Tuning Fork Crystal · 2.0 x 6.0 mm RoHS 2011/65/EC ■ 2 x 6 mm cylinder type ■ 32.768 kHz standard actual size General Data RoHS compliant Pb free Frequency Stability vs. Temperature type MMTF32 frequency 32.768 kHz -20 °C ~ +70 °C STD. frequency tolerance at 25 °C ± 5 °C ± 10 ppm / ± 20 ppm -40 °C ~ +85 °C T1 load capacitance CL 10 pF / 12.5 pF std. (6 pF ~ 12.5 pF on request) temperature constant (TC) TC = -0.04 · 10-6 / °C2 max. • -80 ppm -160 ppm • • standard TC = -0.034 · 10-6 / °C2 typical f (ppm) = TC · (25 °C - T)2 frequency temperature characteristic Marking T = requested temperature operating temperature range -20 °C ~ +70 °C / -40 °C ~ +85 °C shunt capacitance Co 1.2 pF typical series resistance max. (ESR) 40.0 kΩ (35.0 kΩ ask if available) storage temperature -40 °C ~ +90 °C drive level max. 1 µW aging first year < ± 5 ppm company code date code internal code (optional) Wave Soldering Profile 6.0 min. 2.0±0.2 6.0±0.2 bath temperature (°C) Dimensions 0.7 ø 0.28±0.05 ±0.2 260 200 ca. 3.5 °C/s ca. 2.0 °C/s ca. 5.0 °C/s 150 100 50 0 in mm 20 60 100 140 180 220 time (seconds) Mounting Mounting: if the crystal should be mounted vertically to your board (see picture), do not directly solder the metal can. The crystal may be overheated by the direct heat flow. Please use glue (hot-melt adhesive) or mechanical clamping to fasten the metal can. crystal glue PC board heat isolating material Order Information Q frequency type load capacitance Quartz 0.032768 MHz MMTF32 6 pF ~ 12.5 pF 10.0 pF Std. 12.5 pF Std. Example: Q 0.032768-MMTF32-12.5-20-LF stability at 25 °C 20 = ± 20 ppm 10 = ± 10 ppm option blank = -20 °C ~ +70 °C T1 = -40 °C ~ +85 °C (Suffix LF = RoHS compliant / Pb free pads) Jauch Quartz GmbH • e-mail: [email protected] full data can be found under: www.jauch.de / www.jauch.co.uk / www.jauch.fr / www.jauchusa.com All specifications are subject to change without notice 131113-41-72