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 1.0 mm max. actual size General Data 2002/95/EC RoHS compliant Pb free: pins / pads Frequency Stability vs. Temperature type JTX520 frequency 32.768 kHz (30.0 ~ 100.0 kHz on request) -20 °C ~ +70 °C STD. frequency tolerance at 25 °C ± 5 °C ± 10 ppm / ± 20 ppm / ± 30 ppm -40 °C ~ +85 °C T1 load capacitance CL 12.5 pF std. (7 pF ~ 12 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 frequency temperature characteristic f (ppm) = TC · (25 °C - T)2 Marking T = requested temperature operating temperature range -20 °C ~ +70 °C / -40 °C ~ +85 °C shunt capacitance Co 1.25 pF typical series resistance max. (ESR) 80 kΩ (70 kΩ ask if available) storage temperature -40 °C ~ +90 °C drive level max. 1.0 µW aging first year < ± 3 ppm company code frequency code (optional) date code production code (optional) Dimensions 0.9±0.2 3.0±0.2 0.9±0.2 3.8±0.1 2.3±0.1 0.4±0.1 1.9±0.2 1.0 max. 4.8±0.2 1.5±0.1 1.4±0.1 (optional) top view side view bottom view pad layout in mm Order Information Q frequency type Quartz 0.032768 MHz JTX520 load capacitance Example: Q 0.032768- JTX520-12.5-20-T1-LF 7 ~ 12.5 pF 12.5 pF std. tolerance at 25 °C 10 = ± 10 ppm 20 = ± 20 ppm 30 = ± 30 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 081211-41-72 Quartz Crystal · JTX520 13.0±1.5 120° ø 21 1.5 max. 2.1±0.1 4.0±0.1 Feeding 1000 or 3000 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 2.0 ø 13 5.0±0.1 5.5 ±0.1 ø 1.5±0.1 12.0±0.1 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.co.uk / www.jauch.fr / www.jauchusa.com All specifications are subject to change without notice