Tuning Fork Quartz Crystals 32.768 kHz Plastic SMD Technical Data 32S12 Series Electrical Specifications Nominal Frequency @ 25°C – F 32.768 kHz Frequency Tolerance ±20 ppm Turnover Temperature – TO +25°C ±5°C Temperature Coefficient – K (-3.5 ± 0.8) × 10-8 / °C2 Load Capacitance – CL ACTUAL SIZE Description The 32S12 Series is a micro-miniature, plastic-molded, surface mountable version of the 32.768 kHz tuning fork-type quartz crystal. The crystal is housed in a rugged, high-temperature tubular holder, then mounted to a leadframe and injection molded into its plastic carrier. Two sizes and two lead connection configurations are available. 12.5 pF standard Equivalent Series Resistance – RS 50KΩ max Shunt Capacitance – C0 1.0 pF, typ Recommended Drive Level - Pd 0.1µW Maximum Drive Level – PdMAX 1µW max Aging – Δ F / f ( 1st year @ 25°C ±3°C) ±5 ppm, max Operating Temp. Range -40 to +85°C Storage Temp. Range -55 to +125°C Environmental / Process Specifications High Temperature Storage: Less than ±5 ppm change after 500H at 80°C Low Temperature Storage: Less than ±5 ppm change after 500H at -30°C Thermal Shock: Applications & Features • Very small, compact packaging • Rugged, plastic-molded design, resistant to shock and vibration • Excellent resistance to heat shock and environmental characteristics • Ideally suited for automated pick-andplace assembly environments • Available on tape and reel • Ideal for portable applications, time of day clocks, communication equipment, pagers, cellular telephones, camcorders, and micro computers Less than ±5 ppm change at 25°C after -25 to +80°C 20 cycles each 1 H Shock: MIL-STD-883, Method 2002, Condition B Resistance to Soldering Heat: MIL-STD-202, Method 210, Condition I or J Maximum of two (2) reflow passes Solderability: MIL-STD-883, Method 2003 Terminal Strength: Will withstand pull weight of 500 grams, 30 seconds maximum Part Numbering Guide 32 S 12 C (T) Package Option Blank = Bulk packed (T) = Tape / Reel* *full reel increments only Frequency 32.768 kHz SaRonix Example PN: 32S12B Package Type & Lead Connection A, B, C ( see package configurations) Load Capacitance 12 = 12.5 pF (standard load capacitance) DS-107 www.pericom.com REV E Tuning Fork Quartz Crystals 32.768 kHz Plastic SMD Technical Data 32S12 Series Package Details Frequency vs. Temperature Characteristics � ������� ���� �� � ��� ��� ��� ���� ��� � � � � � ��� ���� ���� ��� ��� ���� ��� ��� ��� ���� ���� ��� ��� ��� ��� �� �� �� �� �� �� �� �� ����������� � �� Solder Reflow Guide ���� ���� ���� ���� ���� ���� ������ ����� ��� ��� ��� ���� ����������� � �� ���� ���� � �������� ���������� ������ ������� ��� ���� �� ��� ��� ����� ��� ���� ��� ��� ���� ��� ������� ���� � ���� ��� ���� ������� ��� ��� ������� ������� ��� ����� ��� ������� ��� ��� ��� ���� ��� ��� ���� ��� ���� ������� ��������� ��� ���� ��� ��� ���� ������ ������� ��� ���� ���� ���� ��� ���� ��� ���� �� � ��� ��� �� ��� ��� �� �� �� �� �� ������ ���������� ���� ����� ������ ���� � ���������� �� � � � ������� Lead Configurations ���� ���� ��� ���� ���� �� � ������ ������� ������ �� �� �� �� �� �� ������ ������ ������ � ��� �� ������� ������������� **Note: for package A and C options, pins #2 and #3 provide mechanical support only. Do not connect to circut. All specifications are subject to change without notice. DS-107 www.pericom.com REV E