Quartz Crystal · JTX520 SMD Tuning Fork Crystal · 4.8 x 1.9 mm RoHS ■ 32.768 kHz standard ■ reflow soldering temperature: 260 °C max. ■ package height 0.9 mm max. actual size General Data 2002/95/EC RoHS compliant Pb free: pins / pads Frequency Stability vs. Temperature type JTX 520 frequency 32.768 kHz frequency tolerance at 25 °C ± 5 °C - 80 ppm (30.0 ~ 153.6 kHz on request) -20 °C ~ +70 °C STD. 20 ppm / ± 30 ppm -40 °C ~ +85 °C T1 load capacitance CL 12.5 pF (7 pF ~ 12.5 pF) temperature constant -0.04 · 10-6 / °C2 max. • - 160 ppm • • standard -0.034 · 10-6 / °C2 typical frequency temperature characteristic f (ppm) = -0.04 ( 25 °C - T )2 Marking T = requested temperature operating tenperature range -20 °C ~ +70 °C / -40 °C ~ +85 °C shunt capacitance Co 1.3 pF typical series resistance max. ( ESR ) 50 kΩ typ. ( 80 kΩ max.) storage temperature -40 °C ~ +90 °C drive level max. 1 µW aging first year < ± 3 ppm 32.768 date code date code: A ~ M: Jan.- Dec. 5: 2005 6: 2006 7: 2007 Jan. A Febr. B Mar. C Apr. D May E June F July G Aug. H Sept. J Oct. K Nov. L Dec. M Dimensions 1.0±0.1 1.5±0.1 top view 3.8±0.1 2.3±0.1 0.8±0.1 1.9±0.2 2.8±0.1 0.4±0.1 1.0±0.1 4.8±0.2 side view bottom view 1.4±0.1 pad layout in mm Order Information Q frequency type Quartz 0.032768 MHz JTX520 Example: Q 0.032768- JTX520-12.5-30 load capacitance 7 ~ 12.5 pF 12.5 pF std. stability at 25 °C 20 = ± 20 ppm 30 = ± 30 ppm (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.fr / www.jauchusa.com All specifications are subject to change without notice option blank = -20 °C ~ +70 °C T1 = -40 °C ~ +85 °C Quartz Crystal · JTX520 13.0±1.5 120° 2.0 ø 21 1.3±0.1 2.1±0.1 4.0±0.1 Feeding 1000 pcs per reel in mm Reflow Soldering Profile temperature (°C) 260 200 10 s max. 260 °C max. 220 ±5 °C 180 ±5 °C 150 100 60 ~180 s ø 60 ø 180 5.0±0.1 12.0±0.1 ø 1.5±0.1 ø 13 4.0±0.1 1.75±0.1 Taping Specification 60 s max. 50 time (s) note: parts are also suitable for soldering systems with lead (Pb) content Jauch Quartz GmbH • e-mail: [email protected] full data can be found under: www.jauch.de / www.jauch.fr / www.jauchusa.com All specifications are subject to change without notice