Quartz Crystal · JTX310 SMD Tuning Fork Crystal · 3.2 x 1.5 mm ■ ■ ■ ■ actual size 32.768 kHz optional extra shock proof versions available reflow soldering temperature: 260 °C max. package height 0.9 mm max. General Data RoHS 2011/65/EC RoHS compliant Pb free Frequency Stability vs. Temperature type JTX310 frequency 32.768 kHz -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. (6 pF ~ 9 pF on request) -40 °C ~ +105 °C T2 temperature constant (TC) TC = -0.04 · 10-6 / °C2 max. -40 °C ~ +125 °C T3 TC = -0.034 · 10-6 / °C2 typical • frequency temperature characteristic -80 ppm f (ppm) = TC · (25 °C - T)2 refer to frequency stability table company code shunt capacitance Co 1.15 pF typical date code / production code series resistance max. (ESR) 70 kΩ (60 kΩ ask if available) 80 kΩ for temperature range T2 and T3 drive level max. 0.5 µW aging first year < ± 3 ppm -400 ppm • O O O available standard operating temperature range -55 °C ~ +125 °C • -250 ppm Marking T = requested temperature storage temperature -160 ppm Mechanical Endurance Options HMR (high mechanical reliability): 3000 g, half sine pulse, 0.3 ms Dimensions 0.65 1.7 1.5 0.65 1.5 1.8 0.9 max. 0.1 0.1 3.2 1.0 top view side view pad layout bottom view in mm Order Information Q frequency type load capacitance stability at 25 °C Quartz 0.032768 MHz JTX310 12.5 pF 6 pF ~ 9 pF (on request) 10 = ± 10 ppm 20 = ± 20 ppm 30 = ± 30 ppm Example: Q 0.032768-JTX310-12.5-20-T1-HMR-LF option 1 blank = T1 = T2 = T3 = -20 °C ~ +70 °C -40 °C ~ +85 °C -40 °C ~ +105 °C -40 °C ~ +125 °C option 2 HMR = high mechanical reliability (Suffix LF = RoHS compliant / Pb free) 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 300614-18-72 Quartz Crystal · JTX310 13.0±1.5 120° ø 21 4.0±0.1 1.1 max. 2.0 max. 1000 or 3000 pcs per reel Feeding 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 3.7 max. 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