Crystal Units Surface Mount Type: Tuning Fork ST3215SB 3.2×1.5mm for Consumer/ Mobile Equipment Features How to Order ST3215SB 32768 □□ □ □ □ □□ • Small, Low Profile • Ceramic Package • Pb Free • Reflow Compatible ① ② ③ ④⑤⑥ ⑦ ① Series ② Frequency ③ Load Capacitance ④ Frequency Stability 32.768kHz Applications H5 • Consumer/ Mobile Equipment 12.5 pF H ±20×10−6 ⑤Operating Temp. Range ⑥Frequency Temp. Stability P −40 to +85°C W ±200×10−6 ⑦ Individual Specification Pb Free RoHS Compliant Typical Part Numbers Load Capacitance Part Numbers 12.5 ST3215SB32768H5HPWAA 9.0 ST3215SB32768E0HPWBB 7.0 ST3215SB32768C0HPWBB Specifications Item Symbol Nominal Frequency Specification f_nom Units 32.768 kHz ×10−6 Frequency Tolerance f_tol ±10, ±20 Turnover Temperature Ti +25±5 Parabolic Coefficient B −0.04 max. Motional Resistance R1 70 max. k-ohm Motional Capacitance C1 3.7 typ. fF Shunt Capacitance C0 0.9 typ. pF Load Capacitance CL 12.5/ 9.0/ 7.0 pF Drive Level DL 0.1 μW 25°C±3°C °C ×10−6/ °C2 Operating Temp. Range T_use −40 to +85 °C Storage Temp. Range T_stg −55 to +125 °C Frequency Aging f_age ±3 Dimensions Remarks Please contact us ×10−6 Recommended Land Pattern (Unit: mm) 1.5o0.1 (Unit: mm) 3.2o0.1 0.8o0.1 1.7